CN100397924C - Method for realizing Speed key service in IP cluster network - Google Patents
Method for realizing Speed key service in IP cluster network Download PDFInfo
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- CN100397924C CN100397924C CNB2006101017471A CN200610101747A CN100397924C CN 100397924 C CN100397924 C CN 100397924C CN B2006101017471 A CNB2006101017471 A CN B2006101017471A CN 200610101747 A CN200610101747 A CN 200610101747A CN 100397924 C CN100397924 C CN 100397924C
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Abstract
The present invention discloses a method for achieving Speed key service in an IP cluster network. The present invention comprises the steps that in the step A, a first terminal in the IP cluster network configures a second terminal to which indicating lamps correspond, a corresponding relationship is informed to a media gateway controller in the IP cluster network through a message, and the media gateway controller records the corresponding relationship; in the step B, the media gateway controller numbers the indicating lamps to which the second terminal correspond and the states represented by the indicating lamps, the states are transmitted to all the third terminals which subscribe the states of the second terminal through messages so as to achieve the Speed key service in the IP cluster network. The present invention can achieve incoming call transfer, incoming call holding, call recovery and call transfer through one-key operation of an intelligent telephone in the IP cluster network.
Description
Technical field
The present invention relates to the communications field, particularly relate to the method that realizes Speed key business in a kind of IP cluster net.
Background technology
(Private Branch (telephone) Exchange PBX) is the private telephone exchange that is widely used in commercial enterprise inside to PBX, and it is connected with the switch of telecommunications provider by E1 circuit or telephone line.Owing to be special-purpose switch, therefore for enterprises, can also provide the telephone service of characteristic, wherein, Speed Key business is exactly wherein representative special service.
Speed Key business also is the PTT business, promptly can enable the business of various special services by singly-bound fast.
Speed Key mainly comprises following special service business:
1) status indicator lamp function service
● there is indicator light can represent other state of user on the phone, various User Status such as that state comprises is busy (off-hook, conversation), not busy, ring and maintenance;
● the user that the different indicator lights on each phone are represented can dispose;
● a state of user can be subscribed to by a plurality of users;
● a user can subscribe to a plurality of state of user.
2) can provide a key of multiple value-added service to operate fast by the status indicator lamp function.
Illustrate below, but it is not limited to these business:
A) key is for answering
If the indicator light of certain user's correspondence is represented this user just in ring on the phone, then the user can call out for answering the here by the button by the indicator light correspondence.
B) key keeps and recovers
If the user converses, then can be by calling out maintenance (Call Park) by a button, other has been subscribed on the phone of this User Status will be in hold mode by explicit user, has connect the calling that keeps by the button by the indicator light correspondence then on these phones.
C) a key calling transfer
Calling transfer is meant that user terminal A is as caller or called other user terminal B that called out, in communication process, user terminal A can be called out other user terminal C by the button by idle condition indicator light correspondence, user terminal B listens to the music and is in suspended state at this moment, user terminal A on-hook then can be with user terminal B conversation after user terminal C replys.Perhaps, user terminal A and user terminal C conversation back on-hook, user terminal C and user terminal B directly enter talking state.
Existing Speed Key business all provides service by the PBX Private Branch Exchange PBX, in the process that realizes, each business user needs to rent special-purpose circuit and connects the switch of oneself, and all must there be special switch attendant in each enterprise, and maintenance cost is very high.And in the process that realizes Speed Key business, colourful characteristic service that can not provide and powerful service support in the telecom operators of enterprises enjoyment specialty.
The telecom operators of specialty in order to expand the commercial space of oneself, therefore, develop and the cluster network service in competition process, and this business can make telecom operators that the business that is similar to private branch exchange system (PBX) is provided to the business user.
The cluster net is Virtual Private Network (VPMN), and it is to utilize the public mobile communication net, and intelligent service platform, and the logical network with private network characteristic and function is provided to the user.Be characterized in: utilize the transmission and the switching equipment of mobile network, constitute a non-physics private communication at particular group.
IP cluster network service is then in the cluster network service based on soft switch, it is the business that is based upon on the IP network, each user has number and the outer trombone of group in the own group, and the user can dial mutually with number in the group, and user's experience just looks like to use private branch exchange system (PBX) the same.
But existing IP cluster net is not supported Speed Key business, and it has hindered telecom operators provides the service and the space that branches out for the business user.
Summary of the invention
The object of the present invention is to provide in a kind of IP cluster net the method that realizes Speed key business, it can be in IP cluster net just can be realized for answering, keep and recovering calling, calling transfer by the key operation on the smart phone.
For realizing realizing in a kind of IP cluster net that the object of the invention provides the method for Speed key business, comprise the following steps:
Steps A) second terminal of the first terminal configuration indicator light correspondence of IP cluster net, and utilize message to notify the Media Gateway Controller of IP cluster net with this corresponding relation, Media Gateway Controller writes down this corresponding relation;
Step B) Media Gateway Controller is the indicator light of second terminal correspondence numbering, and the state represented of indicator light, utilizes message to send to the 3rd terminal that all subscribe to this second SOT state of termination, realizes Speed key business on the net at the IP cluster.
Step C) when the state of second terminal changes, Media Gateway Controller utilizes message informing to subscribe to the 3rd terminal of this second SOT state of termination.
Realize the method for Speed key business in the IP cluster net of the present invention, can also comprise the following steps:
Media Gateway Controller sends result message for first terminal after the corresponding relation message and processing of the indicator light of receiving first terminal configuration and second terminal.
Described step C) comprises the following steps:
When the state of second terminal changed, Media Gateway Controller was broadcast to the 3rd terminal that all subscribe to this second SOT state of termination by RQNT message with the state of this second terminal.
When passing through the state of first terminal modifications, second terminal, after Media Gateway Controller write down this modification relation, all subscribed to second termination number of each indicator light correspondence of the 3rd terminal of this second SOT state of termination to utilize message informing.
When the 3rd terminal of subscribing to this second SOT state of termination re-registered Media Gateway Controller, Media Gateway Controller utilized the RQNT message informing to subscribe to second termination number of each indicator light correspondence of the 3rd terminal of this second SOT state of termination.
Described message is the MGCP protocol message.
The message of first terminal notice Media Gateway Controller corresponding relation described steps A) is NTFY message, can only revise, increases or delete a record in the described NTFY message.
Described first terminal, second terminal and the 3rd terminal of subscribing to second SOT state of termination are the MGCP calling subscriber terminal; Perhaps described first terminal is MGCP telecom operators terminals, and the 3rd terminal of described second terminal and subscription second SOT state of termination is the MGCP calling subscriber terminal.
The invention has the beneficial effects as follows: the method that in IP cluster net, realizes Speed key business of the present invention, make NGN (Next Generation Network, next generation network) telecom operators can provide traditional Speed key business for the business user by the Speed key function of IP cluster net, on smart phone, realize that by a key operation generation answers, keeps and recover operations such as calling, calling transfer, make the business user no longer need to buy the PBX system of oneself, thereby significantly reduce business user's communication cost.
Description of drawings
Fig. 1 is that user terminal sends corresponding relation message schematic diagram to Media Gateway Controller;
Fig. 2 for the Media Gateway Controller issuing message to the user terminal schematic diagram;
When Fig. 3 re-registered for user terminal, the Media Gateway Controller issuing message was to the user terminal schematic diagram;
When Fig. 4 changed for user terminal state, soft switch gateway broadcast was to the user terminal schematic diagram.
Embodiment
In order to make purpose of the present invention, technical scheme and beneficial effect clearer,, the method that realizes Speed key business in the IP cluster net of the present invention is elaborated below in conjunction with accompanying drawing.But be understandable that specific embodiment described herein only is used to illustrate the present invention, rather than limitation of the invention.
Preferred embodiment of the present invention is particularly at (the Media GatewayControl Protocol of the MGCP in the IP cluster net, MGCP) telephone terminal, be described in order to realize Speed key function, but the present invention is suitable for the phone set terminal except the MGCP telephone terminal of above-mentioned IP cluster net equally, as the situation of SIP intelligent telephone terminal, H323 intelligent telephone terminal and H248 intelligent telephone terminal.
On terminal, realize Speed key function, answer, keep and recover the quick operation services of a key such as calling, calling transfer as key generation, the principle of its realization is the operating process of intelligent telephone terminal by analog subscriber, show based on led status and to realize, so, as long as each terminal is set the corresponding relation of user terminal and indicator light, and with this relation record in the Media Gateway Controller that each terminal connects, just can in each user terminal of each IP cluster net, realize Speed key function.
In embodiments of the present invention, at the MGCP phone,, the MGCP agreement is expanded in order to realize Speed key function.
The MGCP agreement is a prior art, in the framework of MGCP, mainly comprises a plurality of Media Gateway Controllers (Media Gateway Control, MGC also is the soft switch entity).
Media Gateway Controller (MGC) can be managed a plurality of end points (Endpoint), i.e. terminal.These terminals can be the phone phones, certain time slot (timeslot) in facsimile machine or the E1 relaying.
Adopt Event and Signal to communicate between terminal and the Media Gateway Controller.The message that terminal is passed to Media Gateway Controller is called Event, mainly is to inform Media Gateway Controller, and the state that terminal is present, for example: Off Hook, On Hook, DTMF Tone, Busy Tone, Ring Tone or the like.The message that Media Gateway Controller is passed to terminal is called Signal, mainly is requirement terminal executable operations.For example: Ring, Dial Tone, Call Waiting Tone or the like.
The detailed description of the concrete technical scheme of MGCP is seen RFC2705 Media Gateway ControlProtocol, quotes in full among the present invention, gives unnecessary details no longer one by one.
According to the description of RFC2705 to expanding packet, increase expanding packet X-KS newly as table 1, be used to realize Speed Key characteristic, expanding packet X-KS can exist in RQNT message and NTFY message.Wherein, the message format in the expanding packet can case-insensitive.
RQNT message is when a certain incident takes place, and by Media Gateway Controller (MGC) notice terminal, parameter value comprises Endpoint Id, Request Identifier etc.
NTFY message is to be used for informing certain terminal of Media Gateway Controller (Endpoint) event occurs, and to utilize parameter value to describe be what.
Table 1 expanding packet X-KS describes
| Command format | Describe |
| lamp((lam，num)，..) | The corresponding relation of expression indicator light and Subscriber Number |
| lmgrp((lam，num)，..) | The corresponding relation of group and lamp |
| lmsts((lam，status)，..) | The current state of user of indicator light sequence number correspondence |
| lmrt((lam，result)，..) | Terminal to report indicator light corresponding relation is through the result of Media Gateway Controller |
Expanding packet X-KS in the following his-and-hers watches 1 is described in detail:
A) to incident lamp in the expanding packet ((lam, num) ...) and be described as follows:
A1) lamp ((lam, num) ...) and be incident, comprise two parameters, the corresponding relation of expression indication cresset and Subscriber Number;
A2) parameter l am represents the sequence number of indicator light, and its span is 0～255;
A3) parameter num represents corresponding Subscriber Number, is 8 to the maximum;
A4) parameter l am is an essential option;
A5) parameter num is an option, when parameter num does not exist, indicates to delete the corresponding relation of lam appointment;
A6) Zhong Jian comma is essential;
A7) lamp ((lam, num) ...) and can only be included in the NTFY message, can report a corresponding relation, also can report a plurality of corresponding relations;
A8) lamp ((lam, num) ...) and as permanent event handling.
B) to signal lmgrp in the expanding packet ((lam, num) ...) and be described as follows:
B 1) lmgrp ((lam, num) ...) be a signal, expression can be represented the corresponding relation of a sets of numbers and a plurality of indication cressets;
B2) lmgrp can comprise a plurality of corresponding relations;
B3) (lam, num) middle parameter l am represents the sequence number of indicator light, its span is 0～255;
B4) (lam, num) middle parameter num represents corresponding Subscriber Number, is 8 to the maximum;
B5) lmgrp can only be included in the RQNT message;
B6) each (lam, num) relation in, lam is an essential option;
B7) parameter num is an option, when parameter num does not exist, indicates to delete the corresponding relation of lam appointment;
B8) Zhong Jian comma is essential.
C) to signal lmsts in the expanding packet ((lam, status) ...) and be described as follows:
C 1) lmsts ((lam, status) ...) be a signal, the current state of user of expression indicator light sequence number correspondence;
C2) (lam, status) middle lam and status are essential options;
C3) (lam, status) middle lam represents the sequence number of indicator light, its span is 0～255;
C4) (lam, status) middle status is a led status, is a character string, its value is busy (hurrying), idle (free time), ring (jingle bell), hold states such as (hang-up);
C5) lmsts can comprise a plurality of corresponding relations;
C6) lmsts can only be included in the RQNT message.
D) to signal lmrt in the expanding packet ((lam, result) ...) and be described as follows:
D1) lmrt ((lam, result) ...) and be a signal, expression terminal to report indicator light corresponding relation is through the result of Media Gateway Controller;
D2) ((lam, result) ...) and in lam and status all be essential option;
D3) ((lam, result) ...) and in lam represent the sequence number of indicator light, its span is 0～255;
D4) ((lam, result) ...) and in result be the result of soft switch, be a character string, its value is succ, incorr, bkexc, bkedexc, difctrx, execution results such as fail;
Wherein, succ represents to operate successfully, and incorr represents that subscribed user does not exist or is incorrect, bkexc represents that the number of users that the user subscribes to has surpassed permissible value, bkedexc represents the subscribed permissible value that surpasses of user, difctrx represents booking reader and subscribed user in different IP cluster nets, and fail represents the mistake of other reasons.
D5) lmrt can only be included in the RQNT message;
D6) lmrt ((lam, result) ...) and in can comprise a plurality of corresponding relations.
Describing the MGCP phone below in detail utilizes MGCP protocol extension bag X-KS to realize the procedure of Speed key function:
Step 1: second terminal of the first terminal configuration indicator light correspondence, and utilize NTFY message to notify Media Gateway Controller with this corresponding relation, Media Gateway Controller writes down this corresponding relation, and sends result RQNT message for after processing first terminal.
First terminal can be the MGCP calling subscriber terminal, also can be MGCP telecom operators terminals,
Step 11: at first, second termination number of the first terminal configuration indicator light correspondence, and with this corresponding relation by the NTFY message informing to Media Gateway Controller, Media Gateway Controller writes down this corresponding relation;
As shown in Figure 1, first terminal can dispose second termination number of certain indicator light correspondence, this corresponding relation of second termination number of first terminal notice indicator light correspondence is to Media Gateway Controller (soft switch gateway) then, it can be realized by NTFY message, comprise the indicator light number and pairing second termination number that are modified in the message, second termination number can be sky, is used for corresponding second termination number of this indicator light of expression deletion.
Preferably, can only revise, increase or delete a record in a NTFY message.
For example:
111) specifying the Subscriber Number of indication cresset 0 correspondence is 12345678, then:
NTFY 1 aaln/1@test.XXX.com
X：ffffffff
O：X-KS/lamp(0，12345678)
112) specifying the Subscriber Number of indication cresset 0 correspondence is 12345678, user's relation of cancelling subscriptions of indication cresset 1 correspondence, and the Subscriber Number of indication cresset 2 correspondences is 56789:
NTFY 1 aaln/1@test.XXX.com
X：ffffffff
O：X-KS/lamp((0，12345678)，(1，)，(2，56789))
Step 12: as shown in Figure 1, Media Gateway Controller sends the RQNT message of result for first terminal after the NTFY message and processing of the corresponding relation of the indicator light of receiving first terminal configuration and second terminal.
As:
121) corresponding relation of first indicator light that terminal reports 0 is correctly handled
RQNT 58208615 aaln/1@test.XXX.com
X：16002820
R：
S：X-KS/lmrt(0，succ)
Perhaps:
122) corresponding relation of first indicator light that terminal reports 0 is handled failure
RQNT 58208615 aaln/1@test.huawei.com
X：16002820
R：
S：X-KS/lmrt(0，fail)
123) corresponding relation of first indicator light that terminal reports 0 is handled failure, and the corresponding relation of indicator light 1 is handled successfully
RQNT 58208615 aaln/1@test.huawei.com
X：16002820
R：
S：X-KS/lmrt((0，fail)，(1，succ))。
Step 2: Media Gateway Controller is the indicator light of second terminal correspondence numbering, and the state represented of indicator light, utilizes message to send to the 3rd terminal that all subscribe to this second SOT state of termination, realizes Speed key business on the MGCP phone of IP cluster net.
As shown in Figure 2, the situation that other second user terminal state can be subscribed to by the first maintenance terminal configuration settings the 3rd user terminal by telecom operators, and the indicator light of each subscribed second user terminal correspondence numbering, be handed down to the Media Gateway Controller of IP cluster net, Media Gateway Controller utilizes the expanding packet of MGCP agreement, and the RQNT message that will have subscribing relationship is handed down to the 3rd user terminal.
For example:
21) having represented to have specified the Subscriber Number of indication cresset 0 correspondence is 12345678, then
RQNT 58208615 aaln/1@test.XXX.com
X：16002820
R：
S:X-KS/lmgrp (0,12345678) // indication cresset 0 respective user number 12345678
Perhaps:
22) having specified the Subscriber Number of indication cresset 0 correspondence is 12345678, and the Subscriber Number of indication cresset 1 correspondence is 12345679.
RQNT 58208615 aaln/1@test.XXX.com
X：16002820
R：
S：X-KS/lmgrp((0，12345678)，(1，12345679))
Step 3: when the situation of terminal changed, Media Gateway Controller utilized the RQNT message informing to subscribe to the 3rd terminal of this second SOT state of termination.
Step 31: when passing through the state of first terminal modifications, second terminal, after Media Gateway Controller writes down this modification relation, and all subscribe to second termination number of each indicator light correspondence of the 3rd terminal of this second SOT state of termination to utilize the RQNT message informing.
When telecom operators by first terminal modifications when subscribing to the state of other second user terminal, after the Media Gateway Controller record modification relation, need all subscribe to second terminal use's number of each indicator light correspondence of the 3rd terminal of this second SOT state of termination by utilizing the RQNT message informing.
In embodiments of the present invention, because the 3rd user terminal all must be an IP cluster network users, therefore first terminal only need be known user's IP cluster network No. sign indicating number, the relation of the indicator light of this IP cluster network No. sign indicating number correspondence is got final product by RQNT message informing the 3rd terminal, and the form of RQNT message is identical with step 11.
Step 32: when the 3rd terminal of subscribing to this second SOT state of termination re-registered Media Gateway Controller, Media Gateway Controller utilized the RQNT message informing to subscribe to second termination number of each indicator light correspondence of the 3rd terminal of this second SOT state of termination.
As shown in Figure 3, when the 3rd terminal of subscribing to this second SOT state of termination re-registered Media Gateway Controller, Media Gateway Controller also needed to notify each indicator light corresponding second user terminal number of the 3rd terminal of subscribing to this second SOT state of termination.
Wherein, RSIP is used for notifying Media Gateway Controller to have terminal (Endpoint) desire to participate in or withdraw from the service of MGCP, is that the 3rd terminal re-registers Media Gateway Controller in embodiments of the present invention.
As:
321) having specified the Subscriber Number of indication cresset 0 correspondence is 12345678, then
RQNT 58208615 aaln/1@test.XXX.com
X：16002820
R：
S：X-KS/lmgrp(0，12345678)
Perhaps
322) having specified the Subscriber Number of indication cresset 0 correspondence is 12345678, and the Subscriber Number of indication cresset 1 correspondence is 12345679, then
RQNT 58208615 aaln/1@test.huawei.com
X：16002820
R：
S：X-KS/lmgrp((0，12345678)，(1，12345679))
Step 33: when the state of second terminal changed, Media Gateway Controller was broadcast to the 3rd terminal that all have subscribed to this second SOT state of termination by RQNT message with the state of this second terminal.
As shown in Figure 4, when the state of second terminal changed, Media Gateway Controller need be broadcast to the 3rd terminal that all have subscribed to its state with the state of this second terminal by RQNT message.
For example:
331) having specified indication cresset 0 corresponding user terminal current state is busy (having much to do), then
RQNT 58208615 aaln/1@test.huawei.com
X：16002820
R：
S：X-KS/lmsts(0，busy)
332) having specified indication cresset 0 corresponding user terminal current state is busy (having much to do), and user's current state of indication cresset 1 correspondence is idle (free time), then
RQNT 58208615 aaln/1@test.huawei.com
X：16002820
R：
S：X-KS/lmsts((0，busy)，(1，idle))
Persons of ordinary skill in the art may appreciate that first terminal of the present invention, second terminal and the 3rd terminal can be the terminals in the same IP cluster net, also can be different IP cluster network terminations.
Illustrate below on terminal and to realize Speed key function, answer, keep and recover the process of the quick operation services of a key such as calling, calling transfer as key generation:
One key is for answering: if generally user terminal A wants must know at first for the phone of answering certain user terminal B whether user terminal B is in ringing condition, off-hook is dialed for access code of answering and the telephone number of user terminal B then.And in the present invention, as long as user terminal A has been subscribed to user terminal B, the soft switch gateway with the number of certain indicator light to reply user terminal B after, then when user terminal B ring the time, user terminal A can directly just can realize for having answered function by the button of indicator light correspondence behind the off-hook.
One key keeps and recovers calling out: when the user converses, the user can keep getting up (Call Park) by by a button this being called out, other has been subscribed on the phone of this User Status will be in hold mode by explicit user, has connect the calling that keeps by the button by the indicator light correspondence then on these phones.
One key calling transfer: in communication process, user terminal A can be called out other user terminal C by the button by idle condition indicator light correspondence, user terminal B listens to the music and is in suspended state at this moment, and user terminal A on-hook then can be conversed with user terminal B after user terminal C replys.Perhaps, user terminal A and user terminal C conversation back on-hook, user terminal C and user terminal B directly enter talking state.
Present embodiment is in order to understand the detailed description that the present invention carries out better; it is not the qualification of scope that the present invention is protected; therefore, those of ordinary skills do not break away from purport of the present invention without creative work to this bright change of making in protection scope of the present invention.
Claims (10)
1. realize the method for PTT Speed key business in the IP cluster net, it is characterized in that, comprise the following steps:
Steps A) second terminal of the first terminal configuration indicator light correspondence of IP cluster net, and utilize message to notify the Media Gateway Controller of IP cluster net with this corresponding relation, Media Gateway Controller writes down this corresponding relation;
Step B) Media Gateway Controller is the indicator light of second terminal correspondence numbering, and the state represented of indicator light, utilizes message to send to the 3rd terminal that all subscribe to this second SOT state of termination, realizes Speed key business on the net at the IP cluster.
2. the method for realization PTT Speed key business according to claim 1 is characterized in that, also comprises the following steps:
Media Gateway Controller sends result message for first terminal after the corresponding relation message and processing of the indicator light of receiving first terminal configuration and second terminal.
3. the method for realization PTT Speed key business according to claim 1 and 2 is characterized in that, also comprises the following steps:
Step C) when the state of second terminal changes, Media Gateway Controller utilizes message informing to subscribe to the 3rd terminal of this second SOT state of termination.
4. the method for realization PTT Speed key business according to claim 3 is characterized in that described step C) comprise the following steps:
When the state of second terminal changed, Media Gateway Controller was broadcast the state factory of this second terminal the 3rd terminal of subscribing to this second SOT state of termination to all by RQNT message.
5. the method for realization PTT Speed key business according to claim 3 is characterized in that described step C) comprise the following steps:
When passing through the state of first terminal modifications, second terminal, after Media Gateway Controller write down this modification relation, all subscribed to second termination number of each indicator light correspondence of the 3rd terminal of this second SOT state of termination to utilize message informing.
6. the method for realization PTT Speed key business according to claim 3 is characterized in that described step C) comprise the following steps:
When the 3rd terminal of subscribing to this second SOT state of termination re-registered Media Gateway Controller, Media Gateway Controller utilized the RQNT message informing to subscribe to second termination number of each indicator light correspondence of the 3rd terminal of this second SOT state of termination.
7. the method for realization PTT Speed key business according to claim 1 and 2 is characterized in that described message is the MGCP protocol message.
8. the method for realization PTT Speed key business according to claim 7, it is characterized in that, the message of first terminal notice Media Gateway Controller corresponding relation described steps A) is NTFY message, can only revise, increases or delete a record in the described NTFY message.
9. the method for realization PTT Speed key business according to claim 1 and 2 is characterized in that, described first terminal, second terminal and the 3rd terminal of subscribing to second SOT state of termination are the MGCP calling subscriber terminal.
10. the method for realization PTT Speed key business according to claim 1 and 2 is characterized in that described first terminal is MGCP telecom operators terminals, and the 3rd terminal of described second terminal and subscription second SOT state of termination is the MGCP calling subscriber terminal.
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| CNB2006101017471A CN100397924C (en) | 2006-07-07 | 2006-07-07 | Method for realizing Speed key service in IP cluster network |
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|---|---|---|---|
| CNB2006101017471A CN100397924C (en) | 2006-07-07 | 2006-07-07 | Method for realizing Speed key service in IP cluster network |
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| CN100397924C true CN100397924C (en) | 2008-06-25 |
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| EP2093985B1 (en) * | 2008-02-21 | 2016-06-22 | Avaya GmbH & Co. KG | Method for operating a telephone system with at least two telephone terminals and telephone terminal for implementing the method |
| CN106550157B (en) * | 2015-09-19 | 2021-06-15 | 深圳市潮流网络技术有限公司 | Method for realizing visual pickup service |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020141390A1 (en) * | 2001-04-03 | 2002-10-03 | Fangman Richard E. | System and method for performing IP telephony |
| US20020173326A1 (en) * | 2001-05-15 | 2002-11-21 | Eric Rosen | Controller for reducing latency in a group dormancy-wakeup process in a group communication network |
| CN1708148A (en) * | 2004-06-07 | 2005-12-14 | 朗迅科技公司 | Method and apparatus for providing a low-latency, high-accuracy indication-to-speak and abandon call |
-
2006
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020141390A1 (en) * | 2001-04-03 | 2002-10-03 | Fangman Richard E. | System and method for performing IP telephony |
| US20020173326A1 (en) * | 2001-05-15 | 2002-11-21 | Eric Rosen | Controller for reducing latency in a group dormancy-wakeup process in a group communication network |
| CN1708148A (en) * | 2004-06-07 | 2005-12-14 | 朗迅科技公司 | Method and apparatus for providing a low-latency, high-accuracy indication-to-speak and abandon call |
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| CN1885972A (en) | 2006-12-27 |
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