CN1385049A - Communications system providing call type indication for group calls - Google Patents
Communications system providing call type indication for group calls Download PDFInfo
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- CN1385049A CN1385049A CN00815025A CN00815025A CN1385049A CN 1385049 A CN1385049 A CN 1385049A CN 00815025 A CN00815025 A CN 00815025A CN 00815025 A CN00815025 A CN 00815025A CN 1385049 A CN1385049 A CN 1385049A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/42—Systems providing special services or facilities to subscribers
- H04M3/56—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/40—Connection management for selective distribution or broadcast
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/57—Arrangements for indicating or recording the number of the calling subscriber at the called subscriber's set
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M2203/00—Aspects of automatic or semi-automatic exchanges
- H04M2203/20—Aspects of automatic or semi-automatic exchanges related to features of supplementary services
- H04M2203/2044—Group features, e.g. closed user group
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M2203/00—Aspects of automatic or semi-automatic exchanges
- H04M2203/20—Aspects of automatic or semi-automatic exchanges related to features of supplementary services
- H04M2203/2066—Call type detection of indication, e.g. voice or fax, mobile of fixed, PSTN or IP
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M2203/00—Aspects of automatic or semi-automatic exchanges
- H04M2203/50—Aspects of automatic or semi-automatic exchanges related to audio conference
- H04M2203/5063—Centrally initiated conference, i.e. Conference server dials participants
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M2207/00—Type of exchange or network, i.e. telephonic medium, in which the telephonic communication takes place
- H04M2207/18—Type of exchange or network, i.e. telephonic medium, in which the telephonic communication takes place wireless networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/42—Systems providing special services or facilities to subscribers
- H04M3/46—Arrangements for calling a number of substations in a predetermined sequence until an answer is obtained
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/42—Systems providing special services or facilities to subscribers
- H04M3/46—Arrangements for calling a number of substations in a predetermined sequence until an answer is obtained
- H04M3/465—Arrangements for simultaneously calling a number of substations until an answer is obtained
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
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- Multimedia (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
A group call server supplies communications terminals of a certain type with an indication of call type, and optionally other information, for group calls so as to distinguish such calls from other types of calls. The group call server in charge of the group call may selectively augment the calling party number field of the outgoing paging message with one or more indicator flags when the targeted communications terminal is adapted to receive and act upon such information. The indicator flags indicate one or more characteristics of the group call, such as call type, call subtype, or priority level. One flag may indicate priority level and another may indicate the call subtype of the group call. The communications terminals receiving the augmented paging message will base their response, such as to auto-answer or not, on the group call characteristics indicated in the paging message. The group call server may rely on already built-in flexibility in existing signaling and air interface protocols so that the method disclosed herein may be implemented without the need to change the air interface of the BMI.
Description
Background of invention
The present invention relates to field of wireless communications, more particularly, relate to a kind of method of in such as the communication system of wireless communication system, handling group calling.
The entire society that is applied in such as the portable radio communication device of cell phone, personal communication assistant etc. increases fast.These radio communication devices have various configuration according to the application of they expections.For example, the ordinary cellular telephones portable terminal attempts to imitate conventional land lines, but has the additional functional such as portability and a large amount of telephone numbers of memory.A specific character that is retained in the land line phone in most of cell phones is the ability of carrying out full-duplex communication.In typical man-to-man dialogue, full-duplex operation allows both sides to speak simultaneously, and on the contrary, in the old prior art of mobile cluster radio telephone, the same time only allows a side to speak.In addition, conference call or other ability has in many ways been arranged, generally can have simultaneously more than two sides and speak.For the ease of quoting, this full duplex operating mode will be called as " telephony mode ".The details of phone works pattern is known to those skilled in the art in the cell phone.
Some cell phones can not only be worked under telephony mode, and can also be called herein under the situation of wireless mode and work.The example of these dual mode device can be referring to United States Patent (USP) 5450618 and U.S. Patent application SN.09/361941 and 09/361747, and all these is combined in this by reference, and can be referring to UK Patent Application 9214180.3.In wireless mode, phone looks it is to handle communication under half-duplex mode to the user.Just, cell phone looks to the user and is not to send simultaneously and receive speech data.On the contrary, the user generally must push one and is called as by the button of saying (PTT) button could comprises data corresponding to user speech in the data that send; Otherwise phone looks similarly to be like it receives only to the user.In addition, generally automatic-answering back device incoming call under wireless mode of dual-mode telephone.
Along with the increase of frequency, cell phone, other portable terminal and communication terminal generally all are used to group calling.Group calling is the calling of specific type, and wherein the beginning side's of exhaling trial communicates with the member of one or more predefine users' groups.Can utilize member such as the various distinct device contact predefine groups of conventional land lines, cell phone, satellite phone, personal communication assistant, beep-pager etc.The group calling of general type is a conference call, and it is included in the predetermined a plurality of users on a plurality of phones, such as all engineers of a project.The group calling of another kind of type is from a position all to be listened to member's broadcasting group calling, such as from the police office to the group calling of all patrol police the given range.Participate in any given group calling although a denominator of group calling is not all group member, except beginning of being used for group calling the side of exhaling, possible participant's tabulation in the group calling (being the group member) is just known before calling out beginning.
As mentioned above, such as the general automatic-answering back device incoming call under such as the certain situation of wireless mode of many communication terminals of dual-mode telephone.But expression is that the user in fact answers a call just because of telephone answering is called out not necessarily.On the contrary, possible user is arranged on phone under the autoanswer mode such as wireless mode, and makes this phone be in unattended state.If like this, then incoming call may be replied, but the beginning exhale the aspect right be not have a kind of so unenviable work of speaking of user's phone on the scene to one one.Under the situation of group calling, this automatic-answering back device characteristic may be a problem especially.Usually need phone not want the automatic-answering back device group calling, or certain type group calling at least.In this case, need a kind of mechanism, make communication terminal can determine before answering call that whether incoming call is group calling and some more detailed characteristics of group calling randomly, rather than one " normally " calling.But the definite calling that is not used in portable terminal is that group calling also is the known method of non-group calling (or others of group calling).So, still need a kind of when incoming call is group calling to method, so that described communication terminal can correctly respond such as the indication of the communication terminal of communication mobile terminal.Randomly, a kind of like this method also can be indicated more details of relevant group calling, so that communication terminal is adjusted its response to calling out more meticulously.
Summary of the invention
The present invention provides to the type of call of group calling and the randomly indication of out of Memory, so that such calling is distinguished with the incoming call of other type to the communication terminal of some type.
In a typical embodiment, the group calling server of being responsible for group calling is optionally for the calling number field of exhalation paging information expands one or more indicator flags, and condition is that the destinations traffic terminal is fit to the such information of reception and by such information function.One or more characteristics of indicator flag indication group calling are such as type of call, calling subtype or priority.When group calling server of the present invention received the group calling request, the group calling server was consulted its user and is organized database.Has the corresponding record of group member in the database with institute's requesting users group.Write down the indication of the device type of the corresponding device that preferably includes each call address (as telephone number).When device type was indicated as corresponding to the type that is suitable for communication terminal of the present invention (as enhanced terminal), the caller field of group calling server modifications beep-page message was to comprise additional information; Not so, the group calling server is undertaken by prior art.For example, the group calling server can expand calling number, to increase one or more indicator flags.As example, first sign can be represented priority, and second sign can be represented the calling subtype of group calling.In brief, the group calling server is that enhanced terminal begins a certain beep-page message that comprises the additional information of relevant group calling.
The present invention also provides a kind of mobile communication terminal that is fit to handle group calling more.Receive the group calling beep-page message and select correct response such as the dual-mode wireless communications of Mobile Terminals terminal of working under the wireless mode described beep-page message according to tab character.Portable terminal is preferably checked the caller field of described beep-page message and the appearance of record mark character.When tab character occurring, portable terminal analyzes tab character and caller ID.According to tab character, portable terminal is determined the suitable response to described beep-page message.This response may comprise the man-machine interface of for example controlling portable terminal and determine whether the automatic-answering back device calling.In most preferred embodiment, mobile terminal automatic response is a certain/group calling of some type and before the paging of replying other type group calling is called out, need user's manual intervention.Therefore, the portable terminal of the present invention of the beep-page message that receive to expand is based upon the response of their automatic-answering back device such as whether on the basis of the group calling characteristic of indicating in the described beep-page message.
In most preferred embodiment of the present invention, in the existing installation system back compatible that still keeps with such as the ANSI-136 system, the present invention considers that enhancement mode group calling server and enhanced communications terminal provide the functional of this increase.Just, in most preferred embodiment, the present invention relies on flexibility inherent in the existing air interface protocol.Like this, the present invention can realize under the situation that need not change signaling and air interface protocol or BMI (base station, mobile switching centre and interconnect function).
The accompanying drawing summary
Fig. 1 be suitable for communication terminal of the present invention, be the perspective view of an embodiment of radio communication device.
Fig. 2 is the schematically illustrating of radio communication device of Fig. 1.
Fig. 3 illustrates the part of the memory that comprises a plurality of memory cell that are used to store call address and relevant information.
Fig. 4 illustrates a handling process that is used to handle group calling according to of the present invention.
The detailed description of most preferred embodiment
Following description is described according to cellular radiotelephone system; But, the invention is not restricted to this environment.More particularly, following description is to utilize to describe by the term relevant with the ANSI-136 system, but those skilled in the art will be understood that, the present invention can realize under other wireless communications environment, the environment that designs comprising other standard according to for example GSM, IS-95 or PDC, and utilize for example environment of the different cut-in methods of CDMA.
Fig. 1 illustrates an embodiment who is applicable to portable terminal of the present invention, generally is designated by numeral 20.Shown in portable terminal be digital cellular telephone, but the invention is not restricted to this, on the contrary, the present invention includes various radio communication devices, comprise cell phone, personal communication assistant, beep-pager etc.In addition, the invention is not restricted to mobile radio terminal, on the contrary, the present invention includes the landline communications terminal, maybe can receive the communication terminal of other type of input group calling, comprising communication terminal based on the internet.But,, will use the dual mode radio communication portable terminal as main illustrated examples at this for discussing for simplicity.More particularly, phone 20 shown in Figure 1 will be used as main illustrated examples.The dual-mode telephone that can under phone works pattern and wireless tender's operation mode, work that phone 20 is preferably as described below.
Microphone 34 receives acoustical signal and acoustical signal is converted to analog electrical signal from the user. Loud speaker 80 and 85 will be converted to the acoustical signal of user's energy audible from the analog electrical signal of receiver 50.First loud speaker 80 is amount of bass loud speakers, it generally be positioned at display 28 above, make when phone 20 with the conventional telephone handset direction by by nearly user's head the time, this loud speaker 80 is near user's ear.Second loud speaker 85 is louder volume loud speakers, generally is positioned at the opposite end of phone 20 baritone amount loud speakers 80.See Fig. 1.Amount of bass loud speaker 80 serves as the main loudspeaker of phone when being in " telephony mode " at phone, and louder volume loud speaker 85 serves as the main loudspeaker of phone in " wireless mode ", will be discussed in more detail below.In case of necessity, have a switch (not shown) and be arranged in the circuit path that leads to loud speaker 80 and 85, be used for audio frequency output is sent to this or that loud speaker.A kind of like this switch should directly or non-directly be worked under the control of controller 22.
Analog electrical signal from microphone 34 is provided for transmitter 38.Transmitter 38 comprises A/D converter 40, digital signal processor 42 and phase modulator and RF amplifier 48.A/D converter 40 will be converted to digital signal from the analog electrical signal of microphone 34.Digital signal is sent to digital signal processor (DSP) 42, comprises speech coder 44 and channel encoder 46 in the digital signal processor 42.44 pairs of digital signals of speech coder are compressed, and channel encoder 46 inserts error detection, error correction and signaling information.DSP42 can comprise DTMF single-tone generator (not shown) or work therewith.Compression and code signal from digital signal processor 42 are sent to phase modulator and RF amplifier 48, and they illustrate as assembled unit in Fig. 2.Modulator is to be adapted at the form that transmits on the RF carrier wave with conversion of signals.The RF amplifier then amplifies the output of modulator, is used for transmitting by antenna assembly 58.
Receiver 50 comprises receiver/amplifier 52, digital signal processor 54 and D/A 56.The signal that antenna assembly 58 receives is sent to receiver/amplifier 52, and it carries out frequency displacement to frequency spectrum, and low level RF signal is sent out big to the level that is fit to be input to digital signal processor 54.
Digital signal processor 54 generally comprises equalizer, demodulator and detector, wherein said equalizer is used for phase place and the amplitude distortion that compensate for channel worsens signal, described demodulator is used for from the received signal bit sequence of extracting, and described detector then is used for determining according to the sequence of extracting the bit of transmission.Channel decoder detects and corrects the channel error in the received signal.Channel decoder also comprises and is used for logic that control and signaling data are separated with speech data.Control and signaling data are sent to controller 22.Speech data is handled and is sent to D/A 56 by Voice decoder.Digital signal processor 54 can comprise DTMF monotony detector (not shown) or work therewith.
D/A 56 is converted to analog signal with speech data, and it is provided for one of them of loud speaker 80 and 85, to produce the acoustical signal of user's audible, and below will be for a more detailed description to this.
Antenna assembly 58 is connected to the RF amplifier of transmitter 38 and the receiver/amplifier 52 of receiver 50.Antenna assembly 58 generally comprises duplexer 60 and antenna 62.Duplexer 60 allows the full-duplex communication by antenna 62 when needed.
The operation of controller 22 coordinates transmission machines 38 and receiver 50, and may for example take the form of common microprocessor.This coordination comprises power control, channel selection, timing and many other functions.Controller 22 inserts signaling message in the signal that sends, and the signaling message of extracting from the signal that receives.Controller 22 is in response to any base station commands that comprises in the signaling message and carry out these orders.When the user passed through the keypad input command, this order was sent to controller 22 and is made for usefulness.
Memory 24 stores under the indication of controller 22 and information is provided, and preferably includes the non-volatile part of easily becoming estranged.Memory 24 comprises a plurality of memory cell 90 that are used to store call address, sees Fig. 3.These unit 90 can be counted as being divided into two parts at least: first 92 and second portion 94.First 92 comprises a N call address memory cell 90, and second portion 94 comprises remaining memory cell 90.In order to illustrate, N will be assumed to be 25, but can use any greater than 1 numeral.The user will be stored in call address in the memory cell 90 by the input of any methods known in the art.Can predict, memory cell 90 may be by discontinuous filling; For example, memory cell 1,4,8,10,24 and 35-45 may be filled, and remaining be sky.
The wireless mode behavior of phone 20 preferably is limited to phone 20, and the communication between the other parts of expression phone 20 and wireless communication system is as the digital cellular telephone in the telephony mode, but man-machine interface to the user just as the trunked radio phone.Therefore, when phone 20 was worked under wireless mode, the other parts of 20 pairs of communication systems of phone similarly were full duplex or half-duplex.To the unique requirement that is operated in the phone under the wireless mode be: no matter the fact of seeing from the viewpoint of communication system how, 20 couples of users of phone look it is semiduplex.The wireless mode operation of phone 20 also is disclosed among the U.S. Patent application SN.09/234191 that owns together, by reference it is combined in this.
Generally, the user fills one or more storage available 90 with call address information.Call address information generally is such as the plain old telephone number relevant with another cell phone or conventional land lines or computer etc.In addition, have the alphanumeric identification label relevant with each call address such as title etc.This paper uses term " call address " rather than " telephone number " though be that call address information also may be a group id number that is used to set up group calling because call address information may be telephone number.
Aforesaid group calling is a kind of calling of specific type, and wherein the beginning side's of exhaling trial communicates with one or more members of predefined user's group.Group calling has multiple type of call.Two kinds of type of calls commonly used are broadcast-type and talk type.For broadcast type, the main information flow during group calling is unidirectional, promptly from a source (the beginning side of exhaling) to one or more destinations (group member).Therefore, in the broadcast type group calling, have only the beginning of group calling to exhale and to speak, and the recipient is limited to and listen to.For the group calling of talk type, the main information flow during group calling may be two-way.Therefore, in the group calling of talk type, can speak and listen to the participation group member side of exhaling the beginning.
Each type of call also may be classified as calling subtype.For example, talk type group calling can also be divided into order, first reply (simultaneous-first-answer) and meeting subtype simultaneously.For the group calling of order subtype, contact group member's calling is attempted in the wireless communication system sequential monitoring, gives the chance of a response of each side before proceeding to the next one.In typical configuration, send paging to first group member; If first group member does not in time reply, then paging is cancelled and paging second group member, or the like.Therefore, the group calling of order subtype can be counted as with the serial connection sequence of predefined procedure to each calling of group member, and the side of exhaling of wherein beginning needn't dial each number continuously, but dials single group id number.While first replys the subtype group calling and the group calling of order subtype is similar, only sends paging to all group members at one time, and calling is connected to first group member of answering call.The group calling of meeting subtype is to simultaneously first to reply the subtype group calling similar, and only the group member of all answer pages joins in the calling.Therefore, order subtype group calling and simultaneously first reply subtype group calling when success, all will cause beginning group calling between the side of exhaling and the group member.On the contrary, the meeting subtype group calling group calling between the side of exhaling and the one or more group member that when success, causes beginning.
Traditional dual-mode telephone of those automatic-answering back device incoming calls under wireless mode is replied under the subtype in order subtype and while first and has been produced problem.In these were called out, the search of seeking the group member stopped when the group member replys.If the user places wireless mode to traditional dual-mode telephone and because of no matter which kind of is former thereby make phone be in the unattended operation state, then phone will be replied the incoming call group calling.If phone receives order or while first answering call, then unattended phone is with answering call, and the side of exhaling of beginning will receive the indication that group calling has been replied.But, the beginning side of exhaling in fact can not with telex network, but have conversation with unattended phone.Therefore, the beginning side of exhaling will not be with the user in a minute or be required to stay message.In many cases, the beginning side of exhaling do not need to stay message, but need with converse the individual.Utilize prior art, failure is used in group calling, and unattended operation but the phone of replying baffle the beginning side of exhaling, up to the user of absence is getting back to phone between certain not timing in the future by.
The phone of the present invention by provide some to have the type of call indication and randomly have out of Memory for group calling so that the such calling and the calling zone of other type are separated, thereby solves described problem and other problem.In order to do like this, the present invention considers that the group calling server of being responsible for group calling optionally expands one or more indicator flags in the calling number field of output beep-page message.As example, can increase the length of the calling number field (seeing ANSI-136-123 § 5.3.9 and § 6.23) of ANSI-136 beep-page message on the SPACH channel.Because the length of caller field can easily change in existing air interface protocol in the beep-page message, the present invention needn't change air interface or BMI (base station, mobile switching centre and interconnect function) realizes.According to described additional information, receive phone and can determine how to respond, such as not automatic-answering back device order subtype group calling.
Generally, group calling is handled by the group calling server relevant with wireless communication system.The group calling server is the logical gate of wireless communication system unit, it such as the membership qualification by following the tracks of user's group, control to the user organize functional access, harmony messages stream waits and monitors group calling.When wireless telecommunication system received the group calling request, this request was forwarded to the group calling server.The other parts of wireless telecommunication system then with the cooperation of group calling server so that group calling.
The group calling server generally comprises the database of user's group, wherein lists each group member's call address (as telephone number).For the present invention, the group calling server database preferably also should comprise the indication to the device type of each call address.For example, device type may be a cell phone traditional, prior art, and perhaps device type can be a conventional land lines.Special interest to this discussion is that one of device type should be corresponding to the radio communication device of revising according to the present invention (for example phone).Just to discussion, rather than restriction, such radio communication device will be called as enhanced terminal.Therefore, the record in the group calling server database should comprise that preferably specific call address when is corresponding to enhanced terminal device type and the indication that when do not correspond to the enhanced terminal device type.
With reference to figure 4, the group calling beginning, the side of exhaling generally began group calling (frame 210) by dialling preassigned user's group id number.In the U.S., this group id number generally is made up of 10 figure places, the spitting image of the plain old telephone number.When wireless communication system receives the group calling request (frame 220), described request is sent to group calling server (GCS) and is used for handling (frame 230).As shown in Figure 4, can be randomly to the beginning side's of exhaling chance with such as selecting such as type of call by voice interactive system, calling out the group calling setting (frame 240) of subtype etc.In other embodiments, each user is organized default type of call etc.Should be noted that the selection (frame 240) that group calling is provided with can take place afterwards or before relating to group calling server (frame 230), the concrete time is determined by preference.
Receive the request notice from wireless telecommunication system after (frame 230), the group calling server is consulted its database and is determined which call address belongs to institute's requesting users group and begins group calling creation facilities program (CFP) (frame 250).The group calling server carries out reciprocation with the paging group member by the call address that stores and the other parts of wireless telecommunication system by rights, and described suitable mode depends on selects which kind of type of call and subtype.But before starting paging, the group calling server is checked the device type by relevant group member's data-base recording indication.If the just paged portable terminal of device type indication is an enhanced terminal, then the group calling server expands the caller field of beep-page message, to comprise one or more signs (frame 260) that are used to indicate the group calling setting.For example, if group calling is an order subtype, then value of statistical indicant " 1 " can be affixed to the caller field; If group calling is a meeting subtype, then value of statistical indicant " 3 " can be affixed to the caller field, if group calling is a broadcast type, then value of statistical indicant " 4 " can be affixed to the caller field, or the like.Preferably having only target is that the beep-page message of enhanced terminal can be expanded, and target will not be changed for the beep-page message of other group calling device type.This is for fear of obscuring system and portable terminal to be arranged earlier (need not of the present invention those), allows improvement system of the present invention and portable terminal to provide the enhancing characteristic simultaneously when keeping back compatible.
Beep-page message is then sent to suitable portable terminal (frame 270) by the suitable part of wireless communication system.The hypothetical target portable terminal is an enhanced terminal, and then destination mobile terminal receives beep-page message (frame 280) and expands (frame 285) in inspection after this.If do not occur expanding, then mobile terminal automatic response is called out.If portable terminal 20 is determined to occur expanding, then its caller ID analysis mark character (frame 285) from the caller field.Portable terminal is then consulted the response look-up table in the memory, to determine how to respond (frame 290).In order to illustrate, automatic-answering back device broadcasting of look-up table indicating mobile terminal and meeting group calling, but not automatic-answering back device order and first reply group calling simultaneously.According to the response look-up table, the portable terminal of enhanced terminal responds described paging (frame 290) by the alarm of for example automatic-answering back device or generation such as audible ring.Therefore, for the portable terminal that strengthens according to the present invention,,, can optionally forbid the automatic-answering back device characteristic for the group calling under wireless mode according to the characteristic of group calling.
Except type of call, group calling can have the priority of distribution.For example, the priority of " normally " can be the default value of most of group callings, but the side of exhaling that can allow to begin changes the priority of more urgent group calling into " alarm ".Under a kind of like this situation, can use two indicator flags, and the response of the portable terminal of enhanced terminal can be carried out according to following table:
Table 1
From table 1, can see, the character that is used for indicator flag should comprise such as "
*" or the unusual character of " # " or at least from unusual character, so that can simplify the appearance of detection indicator sign.asdf
Be noted that generally in two ways the group calling at the beginning of the beginning side of exhaling.At first, beginning to exhale can be to call out user's group id number of public definition.This user's group id number is by public definition, and the user of any like this this number of calling will be received identical user's group, suppose that wherein they are authorized to visit this group.The group calling that begins in such a way will be called as " guiding (pilot) " group calling.In the U.S., guiding group id number length is generally 10.The wireless telecommunication system that receives group id number in the dialed digit field is sent to the group calling server to described calling for handling.The group calling server is then determined the group member qualification relevant with this group id number and is embarked group calling.On the other hand, group calling beginning the side of exhaling also can by group such as "
*12. " special definitions section identification number begin group calling.The group calling that begins in such a way will be called as " special-purpose (private) " group calling.Unlike the guiding sets of numbers, the dedicated set number may have different meanings to different user.When wireless telecommunication system receive in the dialed digit field "
*12 " time, wireless telecommunication system the group calling request of being identified as and this request is sent to the group calling server.The group calling server again will according to dialed digit (
*12) and the specific user who begins to call out determine to call out which user group.Therefore, if user A dial "
*12 ", then the group calling server is organized the generation group calling to the user, described user group be different from user B and dial "
*12. " user of time institute's group calling group.
The group calling server is preferably handled the guiding group calling in the mode that is different from special-purpose group calling.For special-purpose group calling, the calling number that is included in the beep-page message should be the call address of the beginning side of exhaling.But for the guiding group calling, the calling number that is included in the beep-page message preferably should change the guiding sets of numbers into.Therefore, for special-purpose group calling, the receiving terminal that is designed to display of calling ID will show the number of the side of exhaling that begins.And for the guiding group calling, receiving terminal is with the guiding number of explicit user group.Be noted that the various numbers that to forbid replacing the beginning side of exhaling that are provided with of controlling the group calling server operation in some systems, for example in order to meet lex loci with the guiding number.
As the example of above-mentioned utilization guiding/special use and priority option, suppose that beginning unit, the side of exhaling 888 444-1111 begin to have the guiding group calling of the ordinal type of alert priority by dialling group id number 999555-2525.Supposing also that the user organizes comprises three group members, and wherein first and second members have enhanced terminal, and the 3rd group member has traditional mobile terminal.The group calling server that request is sent to will begin beep-page message to first group member.Because indication first group member has enhanced terminal in group calling data in server storehouse, so beep-page message will have and wherein comprise the caller field of 9995552525#1 as caller ID.Because " #1 " suffix that occurs in the caller field, first group member's portable terminal should the described calling of automatic-answering back device.If first group member is not at the fixed time with interior manual answering, then paging will switch to second group member.This paging will similarly comprise 9995552525#1 in the caller field, it make second group member's portable terminal (also being the enhanced terminal device type) same can automatic-answering back device.When second group member does not reply in time, paging will switch to the 3rd group member.But because this group member does not have enhanced terminal, therefore caller ID does not add " #1 " suffix in beep-page message.When receiving beep-page message, if be programmed to the automatic-answering back device incoming call, then the 3rd group member's portable terminal is with regard to the described calling of automatic-answering back device, and do not depend on the existence of any indicator flag of the present invention, do not exist or content.
If situation changes, make the identical beginning exhale square tube to cross and dial
*12 begin to have the special-purpose group calling of the conference type of normal priority, and then the group calling server will begin at least two beep-page messages, and for first and second group members, beep-page message will have and wherein comprise 8884441111
*3 caller fields as caller ID.For the 3rd group member's beep-page message, the caller field will comprise 8884441111 as caller ID, wherein do not have "
*3 " suffix.In such configuration, all mobile terminal receives cause the group calling of conference type with the described calling of automatic-answering back device.
Although whether according to the response of enhancement mode portable terminal 20 has been described in the automatic-answering back device group calling, other response is also possible.For example, according to the information that indicator flag provides, portable terminal 20 of the present invention can change the information on the display 28 that is presented at them according to the characteristic of input group calling or change their alarm signal (as ring back tone, ringer volume, generation vibration etc.).As example, the display 28 of portable terminal 20 can have triplex row or multirow more, for the ease of quoting, is called top line, middle row and end row.The comparison of the call address in information that provides according to indicator flag and the calling ID that receives and the first 92 that is stored in memory 24, portable terminal 20 can be under the situation of normal priority having coupling and priority with stored record a), show the relevant alphanumeric labels of stored record with coupling in the display top line, and in display capable show Calls ID; B) be under the situation of normal priority not having coupling and priority, show general text message (for example " group ") in the display top line with stored record, and at the middle capable show Calls ID of display; C) be under the situation of alert priority having coupling and priority with stored record, in display top line display alarm text message (for example " alarm "), and in the middle row demonstration alphanumeric labels relevant with stored record of display; And d) be under the situation of normal priority not having coupling and priority with stored record, then in display top line display alarm text message, and in display row show Calls ID.In addition, portable terminal 20 can show that the expression group calling is order subtype, first replys subtype, meeting subtype, or the designator of broadcast type simultaneously at end row.For example, if group calling subtype is order, then end row can show " SEQ "; If group calling subtype is first to reply simultaneously, then show " SIM "; If group calling subtype is meeting, then show " GRP "; And if the group calling type is broadcasting, then show " BDCAST ".As another example, when detecting the group calling of alert priority, portable terminal 20 can be with the loud ring of specific tone, and shows " alarm " on display 28, and the group calling of the order subtype of normal priority may be had to the demonstration of low-level vibration and caller ID.Certainly, these responses of portable terminal 20 can be optional in factory preset or user, so that maximum flexibility to be provided.
The group calling server is changed beep-page message under some condition relevant with the device type of destination mobile terminal, the discussion above having carried out in view of the above.Be noted that beep-page message itself can reside in the part of SPACH or equivalent control channel fully; On the other hand, beep-page message can reside in more than one channel, comprising the part of SPACH or equivalent control channel.For example, beep-page message can comprise the pointer message on the SPACH control channel and point to more detailed information block on the channel (pointed-to channel).Therefore, term beep-page message used herein comprises the information of any transmission that portable terminal is searched for automatically in order to determine this portable terminal whether to have the characteristic of incoming call and this calling.
In addition, the group calling server changes beep-page message to comprise the designator of one or more group calling characteristics, has carried out above discussion in view of the above.In main illustrative embodiment, the group calling server appends to the indicator flag character caller field of beep-page message.But it is optional in essence to add character.On the contrary, the present invention also comprises and expands existing message comprising the equivalent method of additional information, and such as further message being encoded, its mode is to utilize different coding methods second message that superposes, or the like.Therefore, unique necessity be to change the form that beep-page message adopts, and described change provides the indication of one or more characteristics of group calling.
As mentioned above, the present invention is not limited only to play a role jointly with mobile radio terminal, and on the contrary, the present invention also is applicable to the communication terminal of other type.For example, can change have caller ID function conventional land lines to utilize the present invention.A kind of like this enhanced telephony should similarly be checked to exist in the incoming call caller field and still not have expansion, and under the situation that expansion occurs its is based upon on the information that is expanded the response of calling out.Equally, the computer with telephone communication card can be programmed to and utilize the present invention.So the present invention is used for various communication terminals, comprise communication terminal based on the internet, they can receive the notice of input group calling by the beep-page message that comprises the caller field.
Under the situation that does not break away from the present invention's spirit and intrinsic propesties, the present invention can realize with other ad hoc fashion that is different from this paper statement certainly.Therefore, the embodiment of this paper should be counted as illustratively, rather than restrictive going up in all senses, and is included in wherein in the meaning of appended claim and the used variation in the equivalent scope.
Claims (60)
1. the method for the group calling server in the operation communication system, it may further comprise the steps:
A) foundation has the database of user's group of one or more group members, and described database carries out record when corresponding group member is relevant with the communication terminal of the first communication terminal type;
B) after this, receive the request of the side of exhaling ad initio, to set up the group calling of user's group;
C) the described group calling request of response, it is one or more described group members' beep-page message that described group calling server constitutes target, whether indicate the respective objects group member situation relevant with the communication terminal of the described first communication terminal type to decide on described database, described beep-page message is optionally indicated one or more characteristics of described group calling; And
D) the described beep-page message of described group calling startup of server is to the transmission of at least one communication terminal, and wherein, described at least one communication terminal is relevant with described relative users group, and described relative users group is relevant with described group calling.
2. the method for claim 1, it is characterized in that described beep-page message comprises the caller field, and described formation comprises that described group calling server expands described caller field to indicate one or more characteristics of described group calling when described database indicates described respective objects group member relevant with the portable terminal of described first mobile terminal style.
3. method as claimed in claim 2 is characterized in that described group calling server expands and comprises described caller field is added at least one coding maker.
4. method as claimed in claim 3 is characterized in that described coding maker comprises first and second portion, and wherein said first is corresponding to the priority of described group calling, and described second portion is corresponding to the type of call and the calling subtype of described group calling.
5. the method for claim 1 is characterized in that described group calling characteristic by described beep-page message indication comprises the group calling subtype of described group calling.
6. method as claimed in claim 4, the type of call that it is characterized in that described group calling can be set to the first kind and second type at least, the described first kind is corresponding to broadcast type, wherein having only beginning of described group calling to exhale can be to produce the source message signale, described second type is corresponding to conversation type, and wherein the generation of source message is not limited to the beginning side of exhaling of described group calling.
7. method as claimed in claim 6, it is characterized in that described first type of call has a plurality of possible calling subtypes, wherein comprise order subtype at least, first reply (simultaneous-first-answer) subtype and meeting subtype simultaneously.
8. the method for claim 1 is characterized in that described group calling characteristic by described beep-page message indication comprises the calling subtype of described group calling.
9. the method for claim 1 is characterized in that described group calling characteristic by described beep-page message indication comprises the priority of described group calling.
10. method as claimed in claim 9, the priority that it is characterized in that described group calling can be set at least corresponding to the first order of normal priority or corresponding to the second level of alert priority.
11. the method for claim 1 is characterized in that described group calling characteristic by the indication of described beep-page message comprises the calling subtype and the priority of described group calling.
12. the method for claim 1, it is characterized in that also comprising: described group calling server allows the beginning side of exhaling of described group calling that the priority of described group calling was set before the transmission of the described beep-page message of described startup, and is comprised the priority of the described setting of described group calling by the described group calling characteristic of described beep-page message indication.
13. the method for claim 1 is characterized in that described beep-page message meets ANSI-136.
14. method as claimed in claim 2 is characterized in that also comprising: be in response to described beginning during the side of exhaling of utilizing the guiding sets of numbers in described group calling, described group calling server replaces calling number with the guiding sets of numbers in described calling number field.
15. a kind of group calling server in the wireless communication system, it comprises:
A) have the database of one or more group members' user group, when corresponding group member was relevant with the portable terminal of first mobile terminal style, described database comprised a certain indication;
B) described group calling server is suitable for constituting the beep-page message that target is one or more described group members, with in response to receiving the group calling request, whether indicate the respective objects group member situation relevant with the communication terminal of the described first communication terminal type to decide on described database, described beep-page message is optionally indicated one or more characteristics of described group calling; And
C) described group calling server is suitable for starting the transmission of described beep-page message at least one communication terminal, and with in response to receiving the group calling request, wherein said at least one communication terminal is relevant with described relative users group.
16. group calling server as claimed in claim 15 is characterized in that described group calling server also is suitable for allowing the side of exhaling of described beginning of group calling that the priority of described group calling is set during group calling is set up.
17. group calling server as claimed in claim 15, it is characterized in that described beep-page message comprises the caller field, and be in response in described group calling and utilize described beginning that the guiding sets of numbers begins described group calling during the side of exhaling, described group calling server also is suitable for making described caller field to comprise the guiding sets of numbers.
18. a kind of group calling server in the wireless communication system is designed at least:
A) store and to organize relevant by the indication of the device type of optional equipment with at least one user;
B) side of exhaling of described beginning of permission group calling is provided with the priority of described group calling during group calling is set up;
C) by starting the transmission of beep-page message at least one portable terminal, come to group calling begin respond, wherein said at least one portable terminal is relevant with described relative users group and described respective user group is relevant with described group calling, described beep-page message comprises the caller field, whether on the relevant device type of described portable terminal is that the situation of first mobile terminal style is decided, described caller field is optionally expanded by described group calling server, with the coding maker of the type of call that comprises priority that at least one represents described group calling and described group calling.
19. group calling server as claimed in claim 18, it is characterized in that described group calling server also is designed to: when described group calling be by utilize the guiding sets of numbers the described beginning, the side of exhaling began the time, in described calling number field with guiding sets of numbers replacement calling number.
20. one kind the operation communication terminal is to set up the method for group calling in the communication system with group calling server, it may further comprise the steps:
A) receive the beep-page message relevant with the foundation of group calling at communication terminal, described beep-page message comprises the caller field, and described caller field comprises the tab character of one or more characteristics of the described group calling of one or more indications;
B) described communication terminal responds described beep-page message according to the described tab character of described beep-page message.
21. method as claimed in claim 20 is characterized in that also comprising: before described response, described communication terminal is from the described tab character of described caller field analysis.
22. method as claimed in claim 20 is characterized in that comprising described group calling type and group calling subtype by the described characteristic of the described group calling of described tab character indication.
23. method as claimed in claim 22 is characterized in that described characteristic by the described group calling of described tab character indication also comprises the priority of described group calling.
24. method as claimed in claim 20 is characterized in that described communication terminal is a land line phone.
25. one kind in wireless communication system with group calling server the operate wireless communication mobile terminal to set up the method for group calling, described portable terminal is suitable for operating under various modes, described various modes comprises telephony mode and wireless mode at least, said method comprising the steps of:
A) the described portable terminal of operation under described telephony mode;
B) after this, the described portable terminal of operation under described wireless mode;
C) in described wireless mode following time, described portable terminal receives the beep-page message relevant with the foundation of group calling, and described beep-page message comprises the caller field, and described caller field comprises the tab character of one or more characteristics of the described group calling of one or more indications;
D) described portable terminal responds described beep-page message according to the described tab character of described beep-page message.
26. method as claimed in claim 25 is characterized in that also comprising: before described response, described portable terminal is from the described tab character of described caller field analysis.
27. method as claimed in claim 25 is characterized in that comprising described group calling type and group calling subtype by the described characteristic of the described group calling of described tab character indication.
28. method as claimed in claim 27 is characterized in that described characteristic by the described group calling of described tab character indication also comprises the priority of described group calling.
29. method as claimed in claim 28, it is characterized in that described tab character comprises first and second portion, wherein said first is corresponding to the priority of described group calling, and described second portion is corresponding to the type of call and the calling subtype of described group calling.
30. method as claimed in claim 25 is characterized in that described response comprises that described portable terminal shows the visual indication of at least one described characteristic.
31. method as claimed in claim 25 is characterized in that described response comprises that described portable terminal produces the audible indication of at least one described characteristic.
32. method as claimed in claim 25 is characterized in that the described response of described beep-page message is comprised that described portable terminal determines whether the described beep-page message of automatic-answering back device according to the described tab character of described beep-page message.
33. method as claimed in claim 32 is characterized in that:
A) the described characteristic by the described group calling of described tab character indication comprises described group calling type and group calling subtype, the described type of call of wherein said group calling can be set as the first kind and second type at least, the described first kind is corresponding to broadcast type, wherein have only beginning of described group calling to exhale and to produce the source message signale, described second type is corresponding to conversation type, and wherein source message produces the beginning side of exhaling that is not limited to described group calling;
B) described first type of call has a plurality of possible calling subtypes, wherein comprises order subtype at least, first replys subtype and meeting subtype simultaneously;
C) if if described group calling subtype is meeting or described group calling type is described first type of call corresponding to described broadcast type, then described portable terminal comes the described wireless communication system of automatic-answering back device about described beep-page message;
D) if described group calling subtype is order or first replys simultaneously that then described portable terminal was waited for user's manual intervention before replying described wireless communication system about described beep-page message.
34. method as claimed in claim 25 is characterized in that described beep-page message meets ANSI-136.
35. method as claimed in claim 25, it is characterized in that described characteristic by the described group calling of described tab character indication comprises the priority of described group calling, the priority of wherein said group calling can be set as at least corresponding to the first order of normal priority or corresponding to the second level of alert priority.
36. method as claimed in claim 28, it is characterized in that described portable terminal comprises that the display and the described caller field that have uplink and downlink at least also comprise calling ID, and comprise that described portable terminal compares described calling ID with the tabulation of the stored record that stores in advance, wherein:
If a) having coupling and described priority with stored record is normal priority, then described portable terminal is in the up demonstration of the described display alphanumeric labels relevant with described stored record, and at the described calling of the descending demonstration ID of described display;
B) if not having coupling and described priority with stored record is normal priority, then described portable terminal is in the general text message of up demonstration of described display, and at the described calling of the descending demonstration ID of described display;
C) be alert priority if having coupling and described priority with stored record, then described portable terminal is in the up display alarm text message of described display, and in the descending demonstration of the described display alphanumeric labels relevant with described stored record;
D) if not having coupling and described priority with stored record is normal priority, then described portable terminal is in the up display alarm text message of described display, and at the described calling of the descending demonstration ID of described demonstration.
37. method as claimed in claim 27 is characterized in that:
A) described portable terminal comprises having up, middle row and descending display at least;
B) the described type of call of described group calling can be set to the first kind and second type at least, the described first kind is corresponding to broadcast type, wherein have only beginning of described group calling to exhale and to produce the source message signale, described second type is corresponding to conversation type, and wherein source message produces the beginning side of exhaling that is not limited to described group calling;
C) described first type of call has a plurality of possible calling subtypes, wherein comprises order subtype at least, first replys subtype and meeting subtype simultaneously;
D) described portable terminal is used to indicate described group calling to be order subtype, first to reply subtype, meeting subtype simultaneously in described descending display indicator, or broadcast type.
38. method as claimed in claim 37 is characterized in that described designator is:
A) " SEQ " is if described group calling subtype is order;
B) " SIM " is if described group calling subtype is first to reply simultaneously;
C) " GRP " is if described group calling subtype is meeting;
D) " BDCAST " is if described group calling type is the described first kind corresponding to broadcast type.
39. a method of setting up group calling in the communication system with group calling server, it may further comprise the steps:
A) foundation has the database of user's group of one or more group members, and described database carries out record when corresponding group member is relevant with the communication terminal of the first communication terminal type;
B) after this, receive the request of the side of exhaling ad initio, to set up the group calling of user's group;
C) the described group calling request of response, it is one or more described group members' beep-page message that described group calling server constitutes target, whether indicate the respective objects group member situation relevant with the communication terminal of the described first communication terminal type to decide on described database, described beep-page message is optionally indicated one or more characteristics of described group calling;
D) the described beep-page message of described group calling startup of server is to the transmission of at least one communication terminal, and wherein said at least one communication terminal is relevant with described relative users group;
E) receive the beep-page message of described transmission at the communication terminal of the described first communication terminal type; And
F) described communication terminal is selected response to the beep-page message of described transmission according to the described characteristic of the described group calling of indicating in described beep-page message.
40. method as claimed in claim 39, it is characterized in that described beep-page message comprises the caller field, and described formation comprises that described group calling server expands described caller field to indicate one or more characteristics of described group calling when described database indicates described respective objects group member relevant with the portable terminal of described first mobile terminal style.
41. method as claimed in claim 40 is characterized in that described group calling server expands and comprises described caller field is added at least one coding maker.
42. method as claimed in claim 41, it is characterized in that described coding maker comprises first and second portion, wherein said first is corresponding to the priority of described group calling, and described second portion is corresponding to the type of call and the calling subtype of described group calling.
43. method as claimed in claim 39 is characterized in that described group calling characteristic by the indication of described beep-page message comprises the type of call of described group calling.
44. method as claimed in claim 43, the type of call that it is characterized in that described group calling can be set to the first kind and second type at least, the described first kind is corresponding to broadcast type, wherein having only beginning of described group calling to exhale can be to produce the source message signale, described second type is corresponding to conversation type, and wherein the generation of source message is not limited to the beginning side of exhaling of described group calling.
45. method as claimed in claim 44 is characterized in that described first type of call has a plurality of possible calling subtypes, wherein comprises order subtype at least, first replys subtype and meeting subtype simultaneously.
46. method as claimed in claim 39 is characterized in that described group calling characteristic by the indication of described beep-page message comprises the calling subtype of described group calling.
47. method as claimed in claim 39 is characterized in that described group calling characteristic by the indication of described beep-page message comprises the priority of described group calling.
48. method as claimed in claim 47, the priority that it is characterized in that described group calling can be set at least corresponding to the first order of normal priority or corresponding to the second level of alert priority.
49. method as claimed in claim 39 is characterized in that described group calling characteristic by the indication of described beep-page message comprises the calling subtype and the priority of described group calling.
50. method as claimed in claim 39, it is characterized in that also comprising: described group calling server allows the beginning side of exhaling of described group calling that the priority of described group calling was set before the transmission of the described beep-page message of described startup, and is comprised the priority of the described setting of described group calling by the described group calling characteristic of described beep-page message indication.
51. method as claimed in claim 39 is characterized in that described beep-page message meets ANSI-136.
52. method as claimed in claim 39 is characterized in that also comprising: be in response to described beginning during the side of exhaling of utilizing the guiding sets of numbers in described group calling, in described calling number field, replace calling number with the guiding sets of numbers.
53. method as claimed in claim 52 is characterized in that also comprising: be in response to described beginning during the side of exhaling of utilizing the guiding sets of numbers in described group calling, described portable terminal shows described guiding sets of numbers.
54. method as claimed in claim 39 is characterized in that described selection comprises that to the response of the beep-page message of described transmission described portable terminal determines whether the described beep-page message of automatic-answering back device according to the described characteristic of the described group calling of indicating in described beep-page message.
55. method as claimed in claim 54, it is characterized in that group calling can be that in a plurality of possible calling subtypes one calls out subtype, wherein said a plurality of possible calling subtype comprises order subtype at least and first replys subtype simultaneously, and be when described order subtype or described while first replying subtype in described group calling, according to the described characteristic of the described group calling of indicating in described beep-page message, described portable terminal needed user's manual intervention before replying described beep-page message.
56. method as claimed in claim 39 is characterized in that described database comprises the indication of the device type relevant with each group member.
57. a method of setting up group calling in the wireless communication system with group calling server, it may further comprise the steps:
A) set up the database of the user's group with one or more group members at the group calling server, described database carries out record when described corresponding group member is relevant with the mobile radio terminal of first mobile terminal style;
B) after this, receive the request of the side of exhaling ad initio, to set up the group calling of user's group;
C) the described group calling request of response, it is one or more described group members' beep-page message that described group calling server constitutes target, described beep-page message comprises the caller field, whether indicate the described respective objects group member situation relevant to decide on described database with the portable terminal of described first mobile terminal style, described caller field optionally comprises the coding maker that at least one is used to indicate one or more characteristics of described group calling, described coding maker comprises first and second portion, wherein said first is corresponding to the priority of described group calling, described second portion is corresponding to the calling subtype of described group calling, and wherein possible calling subtype comprises order subtype at least and first replys subtype simultaneously;
D) transmission of the described beep-page message of described group calling startup of server pair at least one portable terminal relevant with described relative users group;
E) receive the beep-page message of described transmission at the portable terminal of described first mobile terminal style; And
F) described portable terminal is selected response to the beep-page message of described transmission according to the described characteristic of the described group calling of indicating in described beep-page message, wherein said selection comprises that to the response of the beep-page message of described transmission described portable terminal determines whether the described beep-page message of automatic-answering back device according to the described characteristic of the described group calling of indicating in described caller field, in described group calling is that described portable terminal needed manual intervention when described order subtype or described while first replying subtype before replying described beep-page message.
58. method as claimed in claim 57, the priority that it is characterized in that described group calling can be set at least corresponding to the first order of normal priority with corresponding to the second level of alert priority.
59. method as claimed in claim 57, it is characterized in that also comprising: be in response to described beginning during the side of exhaling of utilizing the guiding sets of numbers in described group calling, in described calling number field, replace calling number with the guiding sets of numbers, and also be included in described group calling be in response to utilize the guiding sets of numbers the described beginning during side of exhaling described portable terminal show described guiding sets of numbers.
60. method as claimed in claim 57 is characterized in that also comprising: described group calling server allows the beginning side of exhaling of described group calling that the priority of described group calling was set before the transmission of the described beep-page message of described startup.
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| US09/428,893 US6363258B1 (en) | 1999-10-28 | 1999-10-28 | Communications system providing call type indication for group calls |
| US09/428,378 US6484037B1 (en) | 1999-10-28 | 1999-10-28 | Method of establishing group calls in a communications system |
| US09/428,378 | 1999-10-28 | ||
| US09/428,895 US6516200B1 (en) | 1999-10-28 | 1999-10-28 | Controlling communications terminal response to group call page based on group call characteristics |
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| CN1385049A true CN1385049A (en) | 2002-12-11 |
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| CN00815025A Pending CN1385049A (en) | 1999-10-28 | 2000-10-25 | Communications system providing call type indication for group calls |
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| JP (1) | JP2003513537A (en) |
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- 2000-10-25 WO PCT/US2000/029396 patent/WO2001031968A1/en active Application Filing
- 2000-10-25 EP EP00973838A patent/EP1230817A1/en not_active Withdrawn
- 2000-10-25 CN CN00815025A patent/CN1385049A/en active Pending
- 2000-10-25 JP JP2001533791A patent/JP2003513537A/en not_active Withdrawn
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| CN102523233B (en) * | 2011-12-29 | 2015-04-08 | 广州广哈通信有限公司 | Paging method based on session initiation protocol (SIP) and system thereof |
| CN103297926A (en) * | 2012-02-28 | 2013-09-11 | 鼎桥通信技术有限公司 | Cluster paging method in private network and base station |
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| CN105450821A (en) * | 2014-08-29 | 2016-03-30 | 国际商业机器公司 | Method and device for phone call |
| CN105450821B (en) * | 2014-08-29 | 2019-04-09 | 国际商业机器公司 | Phone call method and device |
| CN106535140A (en) * | 2015-09-15 | 2017-03-22 | 深圳市中兴微电子技术有限公司 | Group call control method and group call control device |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1230817A1 (en) | 2002-08-14 |
| WO2001031968A1 (en) | 2001-05-03 |
| JP2003513537A (en) | 2003-04-08 |
| AU1230401A (en) | 2001-05-08 |
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