CN109962887A - A kind of individual calling method and broadband core networks equipment of wide and narrow strip fusion - Google Patents
A kind of individual calling method and broadband core networks equipment of wide and narrow strip fusion Download PDFInfo
- Publication number
- CN109962887A CN109962887A CN201711407939.XA CN201711407939A CN109962887A CN 109962887 A CN109962887 A CN 109962887A CN 201711407939 A CN201711407939 A CN 201711407939A CN 109962887 A CN109962887 A CN 109962887A
- Authority
- CN
- China
- Prior art keywords
- narrowband
- terminal
- equipment
- wide
- core net
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/1066—Session management
- H04L65/1101—Session protocols
- H04L65/1104—Session initiation protocol [SIP]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/40—Support for services or applications
- H04L65/4061—Push-to services, e.g. push-to-talk or push-to-video
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
- H04W4/10—Push-to-Talk [PTT] or Push-On-Call services
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Business, Economics & Management (AREA)
- General Business, Economics & Management (AREA)
- Telephonic Communication Services (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The embodiment of the present invention provides the individual calling method and broadband core networks equipment of a kind of wide and narrow strip fusion.The method includes broadband core networks equipment during possessing the right of speech of the data channel between the narrowband core net equipment, is measured in real time to the right of speech application request that the narrowband core net equipment is sent；The broadband core networks equipment discharges the right of speech if detection receives the right of speech application request sent by the narrowband core net equipment, and the response message to grant an application is sent to the narrowband core net equipment, the embodiment of the present invention initiates right of speech application request by the narrowband terminal to send narrow band data packet to the wide-band terminal, and after narrowband terminal initiates right of speech release request, the broadband core networks equipment can send right of speech application request at once to make the wide-band terminal send wideband data packet to the narrowband terminal, to simple, facilitate to realize the half-duplex individual calling of narrowband terminal and wide-band terminal.
Description
Technical field
The present embodiments relate to individual calling methods and width that mobile communication technology field more particularly to a kind of wide and narrow strip are merged
Band equipment of the core network.
Background technique
Wide and narrow strip merges trunked communication system, is topic popular in recent home communications industry and its application field.It should
System is with pan-European trunked radio (Trans European Trunked Radio TETRA), police Digital Clustering
(Professional Digital Trunking, PDT) is narrowband trunked communication system and the broadband cluster communication of representative
(Broadband Trunking Communication, B-TrunC) broadband cluster communication system blends, and supports unified label
About, United Dispatching, uniformly apply, compared to gateway Interworking Scheme of eating dishes without rice or wine, get rid of the Interworking gateway poor to processing capacity according to
Rely, integrated services capability improving reduces call business time delay simultaneously.
For reality in use, from the point of view of based on bandwidth is saved, the individual calling of most of narrowband systems all uses half-duplex mould
Formula, such as PDT system.And broadband system possesses the transmission channel of big bandwidth high-speed, therefore most individual calling all uses in practice
Full-duplex mode, semiduplex mode individual calling are also optional function in B-TrunC standard.Trunked communication system is merged in wide and narrow strip
In, for broadband cluster core net or terminal, bandwidth internal individual calling uses full duplex individual calling, and narrowband side may only support half pair again
Work order is exhaled.
The realization of full duplex Yu half-duplex individual calling should be supported simultaneously, select difference according to the case where calling opposite end again
Mode, undoubtedly increase processing and realize on complexity.
Summary of the invention
The embodiment of the present invention provides the individual calling method and broadband core networks equipment of a kind of wide and narrow strip fusion, existing to solve
The realization of full duplex Yu half-duplex individual calling should be supported in technology simultaneously, is selected different according to the case where calling opposite end again
Mode undoubtedly increases the complexity in processing and realization.
In a first aspect, the embodiment of the invention provides a kind of individual calling methods of wide and narrow strip fusion, comprising:
Process of the broadband core networks equipment in the right of speech for possessing the data channel between the narrowband core net equipment
In, the right of speech application request that the narrowband core net equipment is sent is measured in real time；
The broadband core networks if detection receives the right of speech application request sent by the narrowband core net equipment
Equipment discharges the right of speech, and the response message to grant an application is sent to the narrowband core net equipment.
Second aspect, the embodiment of the invention provides a kind of broadband core networks of individual calling method for wide and narrow strip fusion to set
It is standby, comprising:
First receiving module, for the mistake in the right of speech for possessing the data channel between the narrowband core net equipment
Cheng Zhong requests real-time detection to the right of speech application that the narrowband core net equipment is sent；
First sending module, if for detecting the right of speech application request for receiving and being sent by the narrowband core net equipment
Then the broadband core networks equipment discharges the right of speech, and sends the response to grant an application to the narrowband core net equipment and disappear
Breath.
The third aspect, the embodiment of the invention also provides a kind of electronic equipment, comprising:
Processor, memory, communication interface and bus；Wherein,
The processor, memory, communication interface complete mutual communication by the bus；
The communication interface is for the information transmission between the communication equipment of the electronic equipment；
The memory is stored with the program instruction that can be executed by the processor, and the processor calls described program to refer to
Order is able to carry out following method:
Process of the broadband core networks equipment in the right of speech for possessing the data channel between the narrowband core net equipment
In, the right of speech application request that the narrowband core net equipment is sent is measured in real time；
The broadband core networks if detection receives the right of speech application request sent by the narrowband core net equipment
Equipment discharges the right of speech, and the response message to grant an application is sent to the narrowband core net equipment.
Fourth aspect, the embodiment of the invention also provides a kind of storage mediums, are stored thereon with computer program, the calculating
Machine program realizes following method when being executed by processor:
Process of the broadband core networks equipment in the right of speech for possessing the data channel between the narrowband core net equipment
In, the right of speech application request that the narrowband core net equipment is sent is measured in real time；
The broadband core networks if detection receives the right of speech application request sent by the narrowband core net equipment
Equipment discharges the right of speech, and the response message to grant an application is sent to the narrowband core net equipment.
The individual calling method and broadband core networks equipment of wide and narrow strip fusion provided in an embodiment of the present invention, it is whole by the narrowband
Right of speech application request is initiated to make itself to become wide-band terminal described in sending direction and send narrow band data packet in end, and described narrow
After tape terminal initiates right of speech release request, it is described to make that the broadband core networks equipment can send right of speech application request at once
Wide-band terminal to the narrowband terminal send wideband data packet, thus simply, facilitate to realize narrowband terminal and wide-band terminal
Half-duplex individual calling.
Detailed description of the invention
Fig. 1 is the individual calling method flow chart that the wide and narrow strip of the embodiment of the present invention merges；
Fig. 2 is the individual calling method flow chart of another wide and narrow strip fusion of the embodiment of the present invention；
Fig. 3 is that the broadband core networks equipment network structure of the individual calling method for wide and narrow strip fusion of the embodiment of the present invention is shown
Figure；
Fig. 4 is the electronic devices structure schematic diagram of the embodiment of the present invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
The wide and narrow strip fusion individual calling method for realizing the embodiment of the present invention, at least need be by what following several parts formed
System, broadband core networks equipment and narrowband core net equipment interconnected be connected with the broadband core networks equipment at least one
A wide-band terminal, and at least one narrowband terminal being connected with the narrowband core net equipment.To realize a narrowband end
Individual calling between end and a wide-band terminal, wherein the wide-band terminal is also possible to broadband dispatching platform, but for the side of statement
Just, it is all only illustrated by taking wide-band terminal as an example in the following embodiments.
Fig. 1 is the individual calling method flow chart that the wide and narrow strip of the embodiment of the present invention merges, as shown in Figure 1, which comprises
Step S01, broadband core networks equipment is in the language for possessing the data channel between the narrowband core net equipment
During power, the right of speech application request that the narrowband core net equipment is sent is measured in real time.
After having been set up data channel between narrowband terminal and wide-band terminal, the wide-band terminal and the broadband core
Carried out data transmission between heart net equipment using the mode of full duplex, i.e., both ends can send data packet, and institute to other side simultaneously
Narrowband terminal is stated by then being counted using semiduplex mode between narrowband core net equipment and the broadband core networks equipment
According to transmission, i.e., between narrowband terminal and narrowband core net equipment and narrowband core net equipment and broadband core networks equipment it
Between, in synchronization all data packet can only be sent from one end therein to the other end.
In the communication system of conventional pass dual-mode, two terminals need before preparing to send data packet to other side
Apply for right of speech by sending right of speech application request, that is, occupies data channel to send the power of data packet.One
The stage of Fang Zhanyong data channel, another party can be only in the state of recipient, only wait until that the side for occupying data channel is logical
It is logical after discharging right of speech, could attempt to occupy data by initiating right of speech application request to cross transmission right of speech release request
Road.
In embodiments of the present invention, the narrowband terminal has higher priority relative to wide-band terminal.In the width
During the right of speech for possessing the data channel between the narrowband core net equipment with equipment of the core network, the broadband core
Heart net equipment can send wideband data packet to the narrowband core net equipment, while the broadband core networks equipment can also be real-time
It detects whether to receive the right of speech application request sent by the narrowband core net.
And the narrowband terminal of another side can ignore completely current data channel it is whether occupied and according only to itself
Needs to the narrowband core net equipment send right of speech application request, the narrowband core net equipment can be by the right of speech Shen
It please request to be transmitted to the broadband core networks equipment.For between narrowband terminal and narrowband core net equipment control information or
The transmission of signaling can be carried out according to the agreement that different narrowband trunked communication systems is arranged, and the narrowband core net equipment
It then can be with session initiation protocol (Session Initiation Protocol, SIP) signaling with the broadband core networks equipment
It sends, such as right of speech application request can be UPDATE message, the communication protocols mutually sent between certainly specific endpoint
View can be set according to the actual needs, be not specifically limited herein.
Step S02, the width if detection is received by the right of speech application request of narrowband core net equipment transmission
Band equipment of the core network discharges the right of speech, and the response message to grant an application is sent to the narrowband core net equipment.
The another broadband core networks equipment when receiving the right of speech application request sent by narrowband core net equipment,
If just occupying data channel, that is, possess right of speech, can also discharge right of speech at once, and replys the response to grant an application at once and disappear
Breath, the response message to grant an application can be the 200OK message of SIP signaling, and the narrowband core net equipment can then incite somebody to action
The response message to grant an application is transmitted to the narrowband terminal.
The narrowband terminal determines that itself has got data channel after receiving the response message to grant an application
Right of speech can send narrowband number to the narrowband core net equipment at this point, the narrowband terminal just becomes a pure sender
According to packet.The narrow band data packet is sent to the broadband core networks equipment by the narrowband core net equipment again.Due to described
Broadband core networks equipment and the wide-band terminal are using full-duplex mode, so the broadband core networks equipment can be ignored
The narrow band data packet is directly sent to the wide-band terminal by the state of the wide-band terminal.
It is obtained in the period of right of speech in the narrowband terminal, although the wide-band terminal still can be to the broadband
Equipment of the core network sends wideband data packet, but since broadband core networks equipment at this time does not obtain setting with the narrowband core net
These wideband data packets, can not be sent to the narrowband core net equipment, so wide by the right of speech of the data channel between standby
Band equipment of the core network can directly abandon these wideband data packets.
The embodiment of the present invention is higher by allowing the narrowband terminal to possess during realizing individual calling with wide-band terminal
Right of speech is requested and is possessed in priority, the state initiation right of speech application for alloing the narrowband terminal to ignore data channel, from
And half-duplex individual calling that is simple, facilitating to realize narrowband terminal and wide-band terminal.
Fig. 2 is the individual calling method flow chart of another wide and narrow strip fusion of the embodiment of the present invention, as shown in Fig. 2, in the step
After rapid S02 the method also includes:
Step S03, the described broadband core networks equipment receives the right of speech release request that the narrowband core net equipment is sent,
The right of speech release request is to indicate that the narrowband core net equipment needs to discharge the right of speech.
When the narrowband terminal has completed the transmission of narrow band data packet, and when determining to no longer need to data channel, meeting
Right of speech release request is sent to the narrowband core net equipment, then again by the narrowband core net equipment by the right of speech
Release request is sent to broadband core networks equipment, and right of speech release request can be similarly the UPDATE message of SIP signaling.
Step S04, the described broadband core networks equipment disappears in the response for sending agreement release to the narrowband core net equipment
The right of speech application for applying for the right of speech is sent to the narrowband core net equipment at once after breath to request.
The broadband core networks equipment can be set after receiving the right of speech release request to the narrowband core net at once
Standby to reply the response message for agreeing to release, the response message of agreement release can still be sent out by the 200OK message of SIP signaling
It send.The response message for agreeing to release can be then sent to the narrowband terminal by the narrowband core net equipment.
Simultaneously in order to occupy the logical head of the data discharged at once, the broadband core networks equipment can be at once to described
Narrowband core net equipment sends right of speech application request, to obtain right of speech as early as possible.
The narrowband core net equipment receive sended over by broadband core networks equipment right of speech application request after,
There is no the response message that can be granted an application at once to the broadband core networks device replied in the case where other competitors.
The broadband core networks equipment determines that itself has been achieved with right of speech after receiving the response message to grant an application,
If the wide-band terminal sends wideband data packet to broadband core networks equipment at this time, the broadband core networks equipment will
The wideband data packet received is sent to the narrowband core net equipment.And the narrowband core net equipment will be by the width
Band data packet is sent to the narrowband terminal.Narrowband terminal at this time just only becomes a recipient, until the narrowband is whole
When end prepares to send narrow band data packet again, right of speech application request can be sent to the narrowband core net equipment again, thus
Itself is set to become sender again.
As can be seen from the above embodiments, the data channel can be constantly in occupied state, when the narrowband terminal is thought
When sending narrow band data packet, occupied by narrowband terminal, and when the narrowband terminal discharges the data channel, then it can horse
On occupied by the broadband core networks equipment.
Broadband core networks equipment described in the embodiment of the present invention initiates right of speech in the narrowband terminal in the narrowband terminal
After release request, sends right of speech application request at once to occupy the logical head of the data, make the wide-band terminal to the narrowband
Terminal sends wideband data packet, thus simply, facilitate to realize the half-duplex individual calling of narrowband terminal and wide-band terminal.
Based on the above embodiment, further, the method also includes:
The broadband core networks equipment receives the invitation message sent by the wide-band terminal, and the invitation message is at least wrapped
Include called terminal mark；
The broadband core networks equipment if it is determined that the called terminal mark it is corresponding with the narrowband terminal, then at once to
The wide-band terminal sends CALL PROCEEDING message, and the invitation message is then transmitted to the narrowband core net and is set
It is standby.
The wide-band terminal and the narrowband terminal are carrying out wideband data packet and narrow band data as can be seen from the above embodiments
Before the transmission of packet, first need to establish data channel therebetween.It is invited in embodiments of the present invention with wide-band terminal initiation
It please be illustrated for message.
The broadband core networks equipment can first receive the invitation message sent by the wide-band terminal, wherein the invitation
Message, which includes at least, called terminal mark.The control information or signaling of the broadband core networks equipment and the wide-band terminal
Communication protocol can be determined by the broadband cluster communication system at place, such as can be NAS interface protocol, do not make to have herein
The restriction of body.The invitation message can be the CALL REQUEST message of NAS interface protocol.
The broadband core networks equipment passes through the identification that identifies to the called terminal, it is possible to determine that the called terminal mark
Sensible corresponding called terminal is wide-band terminal also narrowband terminal.Before specific recognition methods can be by each terminal iidentification
Sew and is distinguished wide-band terminal and narrowband terminal, for example, the terminal iidentification of wide-band terminal starts with 1, and the end of narrowband terminal
End mark is with 0 beginning.If it is another broadband end that the broadband core networks equipment, which determines that the called terminal identifies corresponding,
End, then the message request can be sent to another wide-band terminal by the broadband core networks equipment, and then realize two broadbands
Individual calling between terminal.And if it is narrowband terminal that called terminal mark is corresponding, the broadband core networks equipment meeting
At once confirmation message, i.e. the CALL PROCEEDING message of NAS interface standard are replied to the wide-band terminal, to meet width
With the signalling Standard Order between trunked communication system.Since according to the standard of broadband cluster communication system, the broadband
Terminal is after sending the invitation message, if called terminal is an other wide-band terminal, another wide-band terminal can reply confirmation
Message CALL CONFIRMED message, then by the broadband core networks equipment by CALL CONFIRMED message transformation be CALL
PROCEEDING message is sent to the wide-band terminal.But since current called terminal is narrowband terminal, so can't reply
CALL CONFIRMED message, thus the broadband core networks equipment determine not will receive CALL CONFIRMED message when,
CALL PROCEEDING message is sent to the wide-band terminal in advance.
It include media formats in the CALL CONFIRMED message and the CALL PROCEEDING message, for allowing
It carries out mutually determining the data format in the data packet mutually transmitted between communicating pair.But by the narrowband core net equipment without
Method sends corresponding CALL CONFIRMED message, so narrowband terminal and wide-band terminal can be in one kind of making an appointment
Mutual received media formats carry out the transmission of data packet.Or corresponding media formats is allowed to be included in other letters
It enables in information and being transmitted.Transmission for media formats can be designed according to the actual needs.
The wide-band terminal starts to establish with the wide-band terminal dedicated after receiving CALL PROCEEDING message
Carrying, i.e., the full-duplex data channel of the described wide-band terminal and the broadband core networks equipment, the foundation of specific dedicated bearer
Journey is determined by broadband cluster communication system.The invitation message can be sent to the narrowband by the broadband core networks equipment simultaneously
Equipment of the core network.The narrowband core net equipment can be identified according to the called terminal, and the invitation message is then forwarded to institute
State narrowband terminal.
The narrowband core net equipment can also be to the broadband core while sending invitation message to the narrowband terminal
Heart net equipment sends and receives messages to indicate itself to be try to contact the narrowband terminal, which can be SIP letter
The 100TRYING message of order.
After the narrowband terminal receives the invitation message, can according to the case where itself to determine whether agreeing to this
Invitation message.If the narrowband terminal disagrees, the narrowband terminal can send refusal to the narrowband core net equipment and disappear
Breath, then it is sent to the wide-band terminal via broadband core networks equipment, so that this data path be made to establish failure.And if described
Narrowband terminal agrees to this invitation, then the narrowband terminal can answer message to the narrowband core net device replied, then by institute
It states narrowband core net equipment and the message of answering is sent to the broadband core networks equipment, this, which answers message, can be SIP letter
The 200 OK message enabled, then the message of answering can be sent to the wide-band terminal again by the broadband core networks equipment, this
When message of answering can be the CALL CONNECT message of NAS interface signaling.
It, can be receiving before the narrowband terminal answers message described in the transmission in actual application process
After stating invitation message, first at once to the Ringing message of the narrowband core net device replied, disappeared with indicating to have received the invitation
Breath, but without deciding whether to agree to this invitation, the narrowband core net equipment can be sent to the broadband core networks equipment
The Ringing message, the Ringing message can be 180 RING message of SIP signaling.The broadband core networks equipment can be again by the sound
Bell message is sent to the wide-band terminal, and the Ringing message can be the ALERTING message of NAS interface protocol at this time.But in order to
Statement is convenient, does not all reply Ringing message after receiving the invitation message with the narrowband terminal in the following embodiments and is
Example is illustrated.
Then the broadband core networks equipment can send success message to the narrowband core net equipment, to open and institute
State the half-duplex data channel between narrowband core net equipment, at the same can also make the narrowband core net opening of device with it is described narrow
Half-duplex data channel between tape terminal.
In addition on one side, the wide-band terminal can send success message to the broadband core networks equipment, described for opening
Dedicated bearer, i.e., the full-duplex data channel between the described wide-band terminal and the broadband core networks equipment, wherein the success
Message can be the CALL CONNECT ACK message of NAS interface protocol.So far the wide-band terminal to the narrowband terminal it
Between data channel have turned on.
The embodiment of the present invention initiates invitation message by wide-band terminal to establish the wide-band terminal and the narrowband terminal
Between data channel, thus simply, facilitate to realize the half-duplex individual calling of narrowband terminal and wide-band terminal.
Based on the above embodiment, further, the method also includes:
The broadband core networks equipment receives the invitation message sent by narrowband core net equipment, and the invitation message is at least
Including calling terminal identification；
If the broadband core networks equipment determines that the calling terminal identification is corresponding with the narrowband terminal, Xiang Suoshu
Narrowband core net equipment sends and receives messages, to indicate to be prepared for that the invitation message is sent to the wide-band terminal, together
When institute's invitation message is sent to the wide-band terminal.
With above-described embodiment correspondingly, initiate to invite with the wide-band terminal by narrowband terminal in embodiments of the present invention
Please message, the narrowband terminal first sends invitation message to the narrowband core net equipment, and the invitation message includes at least master
It is terminal iidentification.The invitation message is sent to the broadband core networks equipment again by the narrowband core net equipment.
The broadband core networks equipment can identify the calling terminal identification received, if it is decided that with the caller
Corresponding terminal iidentification is narrowband terminal, then this call can be marked in the broadband core networks equipment, and will be described
Invitation message is sent to the wide-band terminal.
As can be seen from the above embodiments, there are three types of the invitation message that the broadband core networks equipment receives has altogether, 1, broadband
Terminal is to another wide-band terminal；2, wide-band terminal to narrowband terminal；3, narrowband terminal to wide-band terminal.The broadband core networks are set
It is standby to detect calling terminal identification and called terminal mark simultaneously when receiving an invitation request, if wherein having one and institute
It is corresponding to state narrowband terminal, then the call is marked, to show this call between wide-band terminal and narrowband terminal
Call.
After the wide-band terminal receives the invitation message, it can confirm at once to the broadband core networks device replied
Message, the confirmation message can be the CALL CONFIRMED message of NAS interface protocol, to indicate that receiving the invitation disappears
Breath, then can start to establish dedicated bearer with the broadband core networks equipment.
The wide-band terminal then can be according to deciding whether that receive this is issued by the narrowband terminal the case where itself
Invitation, if selection does not receive, the wide-band terminal can send refuse information to the broadband core networks equipment, and by described
The refuse information is sent to the narrowband terminal by broadband core networks equipment and the narrowband core net equipment, so far, this
Invite failure；And if the wide-band terminal decision receive this invitation, the wide-band terminal can be set to the broadband core networks
Preparation, which is sent, answers message, then the broadband core networks equipment can by it is described answer message and be sent to the narrowband core net set
It is standby, relay to the narrowband terminal.
Certainly as above-described embodiment, the wide-band terminal can also first send jingle bell before message is answered in transmission and disappear
Breath.
The broadband core networks equipment receive it is described answer message after can send success message to the wide-band terminal, use
To open the dedicated bearer, that is, open and the wide-band terminal data channel.
The narrowband terminal receive it is described answer message after, can send to the narrowband core net equipment and successfully disappear
Breath, to open the data channel between the narrowband core net equipment.And the narrowband core net equipment can by it is described at
Function message is sent to the broadband core networks equipment, to open data channel between the two.So far the narrowband terminal arrives
Data channel between the wide-band terminal is successfully established.
The embodiment of the present invention initiates invitation message by narrowband terminal to establish the wide-band terminal and the narrowband terminal
Between data channel, thus simply, facilitate to realize the half-duplex individual calling of narrowband terminal and wide-band terminal.
Fig. 3 is that the broadband core networks equipment network structure of the individual calling method for wide and narrow strip fusion of the embodiment of the present invention is shown
Figure, as shown in figure 3, the broadband core networks equipment includes at least: the first receiving module 10 and the first sending module 11, in which:
First receiving module 10 is used in the language for possessing the data channel between the narrowband core net equipment
During power, real-time detection is requested to the right of speech application that the narrowband core net equipment is sent；First sending module
11 set for receiving the broadband core networks if the right of speech application sent by the narrowband core net equipment is requested if detection
It is standby to discharge the right of speech, and the response message to grant an application is sent to the narrowband core net equipment.Specifically:
The narrowband terminal has higher priority relative to wide-band terminal in embodiments of the present invention.Described first
During sending module 11 possesses the right of speech of the data channel between the narrowband core net equipment, described first is sent
Module 11 can send wideband data packet to the narrowband core net equipment, while first receiving module 10 can also be examined in real time
Whether survey has the right of speech application request for receiving and being sent by the narrowband core net.
And the narrowband terminal of another side can ignore completely current data channel it is whether occupied and according only to itself
Needs send right of speech application request to first receiving module 10, first receiving module 10 can indicate the second transmission
Right of speech application request is transmitted to the wide-band terminal by module.
First receiving module 10 when receiving the right of speech application sent by narrowband core net equipment request, if
Data channel is just occupied, that is, possesses right of speech, can also discharge right of speech at once, and returned at once by first sending module 11
The response message to grant an application again, and the response message that the narrowband core net equipment can then grant an application this be transmitted to it is described
Narrowband terminal.
The narrowband terminal determines that itself has got data channel after receiving the response message to grant an application
Right of speech can send narrowband number to the narrowband core net equipment at this point, the narrowband terminal just becomes a pure sender
According to packet.The narrow band data packet is sent to first receiving module 10 by the narrowband core net equipment again and is given to second
Sending module.Due to the wide-band terminal using full-duplex mode, so second sending module can ignore institute
The state of wide-band terminal is stated, the narrow band data packet is directly sent to the wide-band terminal.
It is obtained in the period of right of speech in the narrowband terminal, although the wide-band terminal can still be received to second
Module sends wideband data packet, but due to not obtaining the data channel between the narrowband core net equipment at this time
These wideband data packets, can not be sent to the narrowband core net equipment by language power, so the second receiving module can be by these width
Band data packet directly abandons.
Device provided in an embodiment of the present invention for executing the above method, function with specific reference to above method embodiment,
Its specific method process repeats no more here.
The embodiment of the present invention is higher by allowing the narrowband terminal to possess during realizing individual calling with wide-band terminal
Right of speech is requested and is possessed in priority, the state initiation right of speech application for alloing the narrowband terminal to ignore data channel, from
And half-duplex individual calling that is simple, facilitating to realize narrowband terminal and wide-band terminal.
Based on the above embodiment, further, the broadband core networks equipment further include:
First receiving module is also used to receive the right of speech release request that the narrowband core net equipment is sent, described
Right of speech release request is to indicate that the narrowband core net equipment needs to discharge the right of speech；
First sending module is also used to after sending the response message for agreeing to release to the narrowband core net equipment
At once the right of speech application for applying for the right of speech is sent to the narrowband core net equipment to request.
When the narrowband terminal has completed the transmission of narrow band data packet, and when determining to no longer need to data channel, meeting
Right of speech release request is sent to the narrowband core net equipment, then again by the narrowband core net equipment by the right of speech
Release request is sent to the first receiving module.
First receiving module is after receiving right of speech release request, at once from first sending module to institute
State the response message that narrowband core net device replied agrees to release.The narrowband core net equipment can then discharge the agreement
Response message is sent to the narrowband terminal.
Simultaneously in order to occupy the logical head of the data discharged at once, first sending module can be at once to described narrow
Band equipment of the core network sends right of speech application request, to obtain right of speech as early as possible.
The narrowband core net equipment is not having after receiving the right of speech application sended over by the first sending module request
In the case where there are other competitors the response message to grant an application can be replied to first receiving module at once.
First receiving module determines itself to have been achieved with right of speech, such as after receiving the response message to grant an application
Fruit at this time the wide-band terminal to the second receiving module send wideband data packet if, second sending module will will receive
To wideband data packet be sent to the narrowband core net equipment.And the narrowband core net equipment will be by the wideband data
Packet is sent to the narrowband terminal.Narrowband terminal at this time just only becomes a recipient, until the narrowband terminal prepares
When sending narrow band data packet again, right of speech application request can be sent to the narrowband core net equipment again, to make itself
Become sender again.
As can be seen from the above embodiments, the data channel can be constantly in occupied state, when the narrowband terminal is thought
When sending narrow band data packet, occupied by narrowband terminal, and when the narrowband terminal discharges the data channel, then it can horse
On occupied by first sending module.
Device provided in an embodiment of the present invention for executing the above method, function with specific reference to above method embodiment,
Its specific method process repeats no more here.
First sending module described in the embodiment of the present invention is initiated right of speech in the narrowband terminal in the narrowband terminal and is released
After putting request, sends right of speech application request at once to occupy the logical head of the data, keep the wide-band terminal whole to the narrowband
End sends wideband data packet, thus simply, facilitate to realize the half-duplex individual calling of narrowband terminal and wide-band terminal.
Based on the above embodiment, further, the broadband core networks equipment further include:
For receiving the invitation message sent by the wide-band terminal, the invitation message includes at least second receiving module
Called terminal mark；
Second sending module is used for if it is determined that called terminal mark is corresponding with the narrowband terminal, then at once to institute
It states wide-band terminal and sends CALL PROCEEDING message, the invitation message is then transmitted to the narrowband core net equipment.
Second receiving module can first receive the invitation message sent by the wide-band terminal, wherein the invitation disappears
Breath, which includes at least, called terminal mark.
Second receiving module passes through the identification that identifies to the called terminal, it is possible to determine that the called terminal mark
Corresponding called terminal is wide-band terminal also narrowband terminal.And if the called terminal mark it is corresponding be narrowband terminal,
Then second sending module can reply confirmation message, the i.e. CALL of NAS interface standard to the wide-band terminal at once
PROCEEDING message, to meet the signalling Standard Order between broadband cluster communication system.
The wide-band terminal starts to establish with the wide-band terminal dedicated after receiving CALL PROCEEDING message
Carrying.The invitation message can be sent to the narrowband core net equipment by wide first sending module simultaneously.The narrowband
Equipment of the core network can be identified according to the called terminal, and the invitation message is then forwarded to the narrowband terminal.
The narrowband core net equipment can also connect while sending invitation message to the narrowband terminal to described first
It receives module to send and receive messages to indicate itself to be try to contact the narrowband terminal, which can be SIP signaling
100TRYING message.
After the narrowband terminal receives the invitation message, can according to the case where itself to determine whether agreeing to this
Invitation message.If the narrowband terminal agrees to this invitation, the narrowband terminal can be to the narrowband core net device replied
Message is answered, then the message of answering is sent to first receiving module by the narrowband core net equipment, this, which is answered, disappears
Breath can be the 200OK message of SIP signaling, and then the message of answering can be sent to the width again by second sending module
Tape terminal, message of answering at this time can be the CALL CONNECT message of NAS interface signaling.
Then first sending module can to the narrowband core net equipment send success message, to open with it is described
Half-duplex data channel between narrowband core net equipment, while can also make the narrowband core net opening of device and the narrowband
Half-duplex data channel between terminal.
In addition on one side, the wide-band terminal can send success message to second receiving module, described special for opening
With carrying, wherein the success message can be the CALL CONNECT ACK message of NAS interface protocol.So far the broadband is whole
The data channel between the narrowband terminal is held to have turned on.
Device provided in an embodiment of the present invention for executing the above method, function with specific reference to above method embodiment,
Its specific method process repeats no more here.
The embodiment of the present invention initiates invitation message by wide-band terminal to establish the wide-band terminal and the narrowband terminal
Between data channel, thus simply, facilitate to realize the half-duplex individual calling of narrowband terminal and wide-band terminal.
Based on the above embodiment, further, the broadband core networks equipment further include:
First receiving module is also used to receive the invitation message sent by narrowband core net equipment, the invitation message
Including at least calling terminal identification；
First sending module is also used to if it is determined that the calling terminal identification is corresponding with the narrowband terminal, then to
The narrowband core net equipment sends and receives messages, whole to indicate to be prepared for be sent to the invitation message broadband
End, while institute's invitation message is sent to the wide-band terminal.
In the embodiment of the present invention by narrowband terminal initiate with the invitation message of the wide-band terminal, the narrowband terminal first to
The narrowband core net equipment sends invitation message, and the invitation message includes at least calling terminal identification.The narrowband core
The invitation message is sent to first receiving module again by net equipment.
First receiving module can identify the calling terminal identification received, if it is decided that whole with the caller
Corresponding end mark is narrowband terminal, then this call can be marked in first receiving module, and by the invitation
Message is sent to the wide-band terminal.
After the wide-band terminal receives the invitation message, confirmation can be replied to second receiving module at once and disappeared
Breath, the confirmation message can be the CALL CONFIRMED message of NAS interface protocol, receive the invitation message to indicate,
Then dedicated bearer can be begun setting up.
The wide-band terminal then can be according to deciding whether that receive this is issued by the narrowband terminal the case where itself
Invitation, if selection does not receive, the wide-band terminal can send refuse information to second receiving module, and by described the
The refuse information is sent to the narrowband terminal by one sending module and the narrowband core net equipment, so far, this invitation
Failure；And if the wide-band terminal decision receive this invitation, the wide-band terminal can be sent to second receiving module
Message is answered, then the message of answering can be sent to the narrowband core net equipment by first sending module, then be forwarded
To the narrowband terminal.
Second receiving module receive it is described answer message after second sending module can be indicated to the broadband
Terminal sends success message, to open the dedicated bearer, that is, opens and the wide-band terminal data channel.
The narrowband terminal receive it is described answer message after, can send to the narrowband core net equipment and successfully disappear
Breath, to open the data channel between the narrowband core net equipment.And the narrowband core net equipment can by it is described at
Function message is sent to first receiving module, to open data channel between the two.So far the narrowband terminal is to institute
The data channel stated between wide-band terminal is successfully established.
Device provided in an embodiment of the present invention for executing the above method, function with specific reference to above method embodiment,
Its specific method process repeats no more here.
The embodiment of the present invention initiates invitation message by narrowband terminal to establish the wide-band terminal and the narrowband terminal
Between data channel, thus simply, facilitate to realize the half-duplex individual calling of narrowband terminal and wide-band terminal.
Fig. 4 is the electronic devices structure schematic diagram of the embodiment of the present invention.As shown in figure 4, the electronic equipment, comprising: place
Manage device (processor) 601, memory (memory) 602 and bus 603；
Wherein, the processor 601 and the memory 602 complete mutual communication by the bus 603；
The processor 601 is used to call the program instruction in the memory 602, to execute above-mentioned each method embodiment
Provided method, for example, broadband core networks equipment is possessing the data channel between the narrowband core net equipment
Right of speech during, to the narrowband core net equipment send right of speech application request be measured in real time；If detection
It receives and the then broadband core networks equipment release words is requested by the right of speech application that the narrowband core net equipment is sent
Language power, and the response message to grant an application is sent to the narrowband core net equipment.
Further, the embodiment of the present invention discloses a kind of computer program product, and the computer program product includes depositing
The computer program in non-transient computer readable storage medium is stored up, the computer program includes program instruction, when described
When program instruction is computer-executed, computer is able to carry out method provided by above-mentioned each method embodiment, for example, wide
With equipment of the core network during possessing the right of speech of the data channel between the narrowband core net equipment, to described narrow
It is measured in real time with the right of speech application request that equipment of the core network is sent；If detection is received by the narrowband core net equipment
Then the broadband core networks equipment discharges the right of speech for the right of speech application request of transmission, and to the narrowband core net equipment
Send the response message to grant an application.
Further, the embodiment of the present invention provides a kind of non-transient computer readable storage medium, the non-transient calculating
Machine readable storage medium storing program for executing stores computer instruction, and the computer instruction makes the computer execute above-mentioned each method embodiment institute
The method of offer, for example, broadband core networks equipment is possessing the data channel between the narrowband core net equipment
During right of speech, the right of speech application request that the narrowband core net equipment is sent is measured in real time；If detection connects
It receives and the then broadband core networks equipment release language is requested by the right of speech application that the narrowband core net equipment is sent
Power, and the response message to grant an application is sent to the narrowband core net equipment.
Those of ordinary skill in the art will appreciate that: realize that all or part of the steps of above method embodiment can pass through
The relevant hardware of program instruction is completed, and program above-mentioned can be stored in a computer readable storage medium, the program
When being executed, step including the steps of the foregoing method embodiments is executed；And storage medium above-mentioned includes: ROM, RAM, magnetic disk or light
The various media that can store program code such as disk.
The embodiments such as electronic equipment described above are only schematical, wherein it is described as illustrated by the separation member
Unit may or may not be physically separated, and component shown as a unit may or may not be object
Manage unit, it can it is in one place, or may be distributed over multiple network units.It can select according to the actual needs
Some or all of the modules therein is selected to achieve the purpose of the solution of this embodiment.Those of ordinary skill in the art are not paying wound
In the case where the labour for the property made, it can understand and implement.
Through the above description of the embodiments, those skilled in the art can be understood that each embodiment can
It realizes by means of software and necessary general hardware platform, naturally it is also possible to pass through hardware.Based on this understanding, on
Stating technical solution, substantially the part that contributes to existing technology can be embodied in the form of software products in other words, should
Computer software product may be stored in a computer readable storage medium, such as ROM/RAM, magnetic disk, CD, including several fingers
It enables and using so that a computer equipment (can be personal computer, server or the network equipment etc.) executes each implementation
Method described in certain parts of example or embodiment.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (10)
1. a kind of individual calling method of wide and narrow strip fusion characterized by comprising
Broadband core networks equipment is right during possessing the right of speech of the data channel between the narrowband core net equipment
The right of speech application request that the narrowband core net equipment is sent is measured in real time；
The broadband core networks equipment if detection receives the right of speech application request sent by the narrowband core net equipment
The right of speech is discharged, and sends the response message to grant an application to the narrowband core net equipment.
2. the method according to claim 1, wherein the method also includes:
If the broadband core networks equipment detection, which receives the right of speech that the narrowband core net equipment is sent, discharges request；
The broadband core networks equipment is after sending the response message for agreeing to release to the narrowband core net equipment at once to institute
It states narrowband core net equipment and sends the right of speech application request.
3. the method according to claim 1, wherein the method also includes:
The broadband core networks equipment receives the invitation message sent by the wide-band terminal, and the invitation message includes at least quilt
It is terminal iidentification；
The broadband core networks equipment is if it is determined that called terminal mark is corresponding with the narrowband terminal, then at once to described
Wide-band terminal sends CALL PROCEEDING message, and the invitation message is then transmitted to the narrowband core net equipment.
4. the method according to claim 1, wherein the method also includes:
The broadband core networks equipment receives the invitation message sent by narrowband core net equipment, and the invitation message includes at least
Calling terminal identification；
If the broadband core networks equipment determines that the calling terminal identification is corresponding with the narrowband terminal, to the narrowband
Equipment of the core network sends and receives messages, and to indicate to be prepared for that the invitation message is sent to the wide-band terminal, simultaneously will
Institute's invitation message is sent to the wide-band terminal.
5. a kind of broadband core networks equipment of the individual calling method for wide and narrow strip fusion characterized by comprising
First receiving module, for the process in the right of speech for possessing the data channel between the narrowband core net equipment
In, real-time detection is requested to the right of speech application that the narrowband core net equipment is sent；
First sending module, for the institute if detection receives the right of speech application request sent by the narrowband core net equipment
It states broadband core networks equipment and discharges the right of speech, and send the response message to grant an application to the narrowband core net equipment.
6. broadband core networks equipment according to claim 5, which is characterized in that the broadband core networks equipment further include:
First receiving module receives the right of speech release request that the narrowband core net equipment is sent if being also used to detect；
First sending module is also used to after sending the response message for agreeing to release to the narrowband core net equipment at once
The right of speech application request is sent to the narrowband core net equipment.
7. broadband core networks equipment according to claim 5, which is characterized in that the broadband core networks equipment further include:
Second receiving module, for receiving the invitation message sent by the wide-band terminal, the invitation message includes at least quilt
It is terminal iidentification；
Second sending module is used for if it is determined that called terminal mark is corresponding with the narrowband terminal, then at once to described
Wide-band terminal sends CALL PROCEEDING message, and the invitation message is then transmitted to the narrowband core net equipment.
8. broadband core networks equipment according to claim 5, which is characterized in that the broadband core networks equipment further include:
First receiving module is also used to receive the invitation message sent by narrowband core net equipment, and the invitation message is extremely
It less include calling terminal identification；
First sending module is also used to if it is determined that the calling terminal identification is corresponding with the narrowband terminal, then to institute
Narrowband core net equipment is stated to send and receive messages, to indicate to be prepared for that the invitation message is sent to the wide-band terminal,
Institute's invitation message is sent to the wide-band terminal simultaneously.
9. a kind of electronic equipment, which is characterized in that including memory and processor, the processor and the memory pass through always
Line completes mutual communication；The memory is stored with the program instruction that can be executed by the processor, the processor tune
The method as described in Claims 1-4 is any is able to carry out with described program instruction.
10. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the computer program quilt
The method as described in Claims 1-4 is any is realized when processor executes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711407939.XA CN109962887B (en) | 2017-12-22 | 2017-12-22 | Single calling method for wide-band and narrow-band fusion and broadband core network equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711407939.XA CN109962887B (en) | 2017-12-22 | 2017-12-22 | Single calling method for wide-band and narrow-band fusion and broadband core network equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109962887A true CN109962887A (en) | 2019-07-02 |
| CN109962887B CN109962887B (en) | 2021-03-23 |
Family
ID=67019765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711407939.XA Expired - Fee Related CN109962887B (en) | 2017-12-22 | 2017-12-22 | Single calling method for wide-band and narrow-band fusion and broadband core network equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109962887B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113271555A (en) * | 2020-02-14 | 2021-08-17 | 普天信息技术有限公司 | Method for mutually sending short messages between PDT terminal and B-Trunc terminal |
| CN113630732A (en) * | 2020-05-07 | 2021-11-09 | 海能达通信股份有限公司 | Converged communication method, terminal, system and storage medium |
| CN113766656A (en) * | 2020-06-04 | 2021-12-07 | 普天信息技术有限公司 | Broadband and narrowband calling method and device and electronic equipment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104602200A (en) * | 2015-01-26 | 2015-05-06 | 清华大学 | Fusion method used for narrow-band cluster business of time-sharing long-term evolution base station |
| CN104601316A (en) * | 2015-02-02 | 2015-05-06 | 清华大学 | Wideband and narrowband integrated multi-connection trunking system and distribution method of transmission channels of same |
| CN106331380A (en) * | 2016-10-28 | 2017-01-11 | 大唐电信科技股份有限公司 | Control method and system of intercom talking voice gateway of broadband and narrow band fusion on android platform. |
| CN106455060A (en) * | 2016-09-22 | 2017-02-22 | 海能达通信股份有限公司 | Calling method and apparatus, terminal and core network system |
| CN206506715U (en) * | 2016-11-23 | 2017-09-19 | 北京坦达信息科技有限公司 | A kind of hand-held wide and narrow strip fusion multi-mode communication terminal |
-
2017
- 2017-12-22 CN CN201711407939.XA patent/CN109962887B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104602200A (en) * | 2015-01-26 | 2015-05-06 | 清华大学 | Fusion method used for narrow-band cluster business of time-sharing long-term evolution base station |
| CN104601316A (en) * | 2015-02-02 | 2015-05-06 | 清华大学 | Wideband and narrowband integrated multi-connection trunking system and distribution method of transmission channels of same |
| CN106455060A (en) * | 2016-09-22 | 2017-02-22 | 海能达通信股份有限公司 | Calling method and apparatus, terminal and core network system |
| CN106331380A (en) * | 2016-10-28 | 2017-01-11 | 大唐电信科技股份有限公司 | Control method and system of intercom talking voice gateway of broadband and narrow band fusion on android platform. |
| CN206506715U (en) * | 2016-11-23 | 2017-09-19 | 北京坦达信息科技有限公司 | A kind of hand-held wide and narrow strip fusion multi-mode communication terminal |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113271555A (en) * | 2020-02-14 | 2021-08-17 | 普天信息技术有限公司 | Method for mutually sending short messages between PDT terminal and B-Trunc terminal |
| CN113630732A (en) * | 2020-05-07 | 2021-11-09 | 海能达通信股份有限公司 | Converged communication method, terminal, system and storage medium |
| CN113630732B (en) * | 2020-05-07 | 2022-07-22 | 海能达通信股份有限公司 | Converged communication method, terminal, system and storage medium |
| CN113766656A (en) * | 2020-06-04 | 2021-12-07 | 普天信息技术有限公司 | Broadband and narrowband calling method and device and electronic equipment |
| CN113766656B (en) * | 2020-06-04 | 2024-07-09 | 普天信息技术有限公司 | Wide-narrow band calling method and device and electronic equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109962887B (en) | 2021-03-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8681664B2 (en) | Setting up a full-duplex communication session and transitioning between half-duplex and full-duplex during a communication session within a wireless communications system | |
| CN1993947B (en) | A method and device for providing correlation means in hybrid telecommunication networks | |
| US8244229B2 (en) | Mobile video call response | |
| CN102037748A (en) | Setting up a communication session within a wireless communications system | |
| EP1524834A1 (en) | Method for sending identification information of a plurality of communication devices that are active on a communication session | |
| CN109962887A (en) | A kind of individual calling method and broadband core networks equipment of wide and narrow strip fusion | |
| US20040157606A1 (en) | Automatic call connection method for a mobile communication terminal | |
| EP1883256A1 (en) | A method, system and device for realizing the record of the speech data in semi-duplex talking | |
| CN103108010B (en) | The realization method and system of communication service in the terminal operating system of trustship | |
| CN110392354A (en) | The communication means and system of double-mode single-standby terminal | |
| CN102355713A (en) | Calling method in voice communication and mobile terminal | |
| CN106358156A (en) | Call processing method and apparatus for use in multi-party call | |
| US11496623B2 (en) | Announcement or advertisement in text or video format for real time text or video calls | |
| JPH10190838A (en) | Call connection method | |
| CN109788445A (en) | A kind of group-calling service method for building up, base station, eMME and system | |
| WO2016041183A1 (en) | Method, apparatus and system for providing ivr service | |
| CN109982275B (en) | WiFi network conversation method and device under weak coverage | |
| CN101594598A (en) | The method and system of media negotiation in a kind of IMS network | |
| CN106330655A (en) | Wireless communication method and equipment supporting circuit switching data business | |
| CN110113371B (en) | Session management system and session management server | |
| WO2023227023A1 (en) | Service implementation method and apparatus, communication device, and storage medium | |
| CN101247441B (en) | Method and system for implementing call pickup service under call condition in communication system | |
| CN101299827A (en) | Indication message structure and transmission method thereof | |
| WO2008046269A1 (en) | A method for realizing talk right control in group call system | |
| CN101562792B (en) | System and method for realizing multimedia service during call state |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210323 Termination date: 20211222 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |