CN106656771B - A kind of method that accessing gateway equipment and inside it loopback realize basic call - Google Patents
A kind of method that accessing gateway equipment and inside it loopback realize basic call Download PDFInfo
- Publication number
- CN106656771B CN106656771B CN201610971225.0A CN201610971225A CN106656771B CN 106656771 B CN106656771 B CN 106656771B CN 201610971225 A CN201610971225 A CN 201610971225A CN 106656771 B CN106656771 B CN 106656771B
- Authority
- CN
- China
- Prior art keywords
- module
- rcm
- dsp
- slc
- loopback
- 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.)
- Active
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/66—Arrangements for connecting between networks having differing types of switching systems, e.g. gateways
-
- 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
- H04L65/10—Architectures or entities
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/22—Arrangements for supervision, monitoring or testing
- H04M3/2245—Management of the local loop plant
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M7/00—Arrangements for interconnection between switching centres
- H04M7/006—Networks other than PSTN/ISDN providing telephone service, e.g. Voice over Internet Protocol (VoIP), including next generation networks with a packet-switched transport layer
Abstract
The present invention relates to a kind of methods for realizing basic call in accessing gateway equipment internal loopback, accessing gateway equipment includes the SLC/DSP resource module successively communicated to connect, RCM resource controlled block and BICC basic call control module, SLC module in SLC/DSP resource module detects user's off-hook, on-hook electric current, voltage change, and off-hook, onhook event are reported to RCM resource controlled block, the loopback of the DSP module control audio medium stream in SLC/DSP resource module, ringing tone；The control of RCM resource controlled block and SLC/DSP resource involved in management BCP basic call process；The interacting message of BICC basic call control module control and the RCM resource controlled block.The present invention can carry out the test of basic call business without soft switch or IMS equipment by the method in accessing gateway equipment internal loopback under off-line state, efficient, convenient from surveying and producing survey.
Description
Technical field
The present invention relates to the communications field more particularly to a kind of sides that basic call is realized in accessing gateway equipment internal loopback
Method.
Background technique
Basic call business may be implemented in accessing gateway equipment, i.e. accessing gateway equipment passes through (such as soft with core network element
Exchange, IMS etc.) networking connection and signaling and media interaction, realize calling and called between basic call process.Also
It is to say, completes the basic call business between calling and called, it usually needs pass through the equipments of the core network such as soft switch or IMS
Realize separation, transfer and the control of signaling and media.
The state of accessing gateway equipment basic call is divided into presence according to whether registering and being connected to upper level network element
And off-line state:
Presence: upper level network element is registered and be connected to accessing gateway equipment, can detect the signaling flows such as heartbeat.
Off-line state: accessing gateway equipment is not attached to upper level network element, can not detect the signaling flows such as heartbeat.
Currently, this method needs following preposition in accessing gateway equipment from when surveying with survey basic call business function is produced
Condition:
1, network organizing
2, accessing gateway equipment is registered on equipment of the core network
3, accessing gateway equipment and equipment of the core network parameter configuration
It can be seen that the test method of this quasi-tradition needs to carry out under presence, it usually needs waste a large amount of manpower object
Power, inefficiency.
Summary of the invention
The present invention overcomes the deficiencies in the prior art, provide one kind under off-line state, also can testing access gateway equipment
Basic call function method.
In order to achieve the above objectives, the technical solution adopted by the present invention are as follows: a kind of accessing gateway equipment and inside it loopback
The method for realizing basic call, the accessing gateway equipment includes the SLC/DSP resource module successively communicated to connect, RCM resource
Control module and BICC basic call control module, SLC module detection user's off-hook in the SLC/DSP resource module are hung
Electromechanics stream, voltage change, and off-hook, onhook event are reported to the RCM resource controlled block, the SLC/DSP resource mould
The loopback of DSP module control audio medium stream in block, ringing tone；The RCM resource controlled block control and management basic call
SLC/DSP resource involved in process；The BICC basic call control module control disappears with the RCM resource controlled block
Breath interaction.
The method for realizing basic call in accessing gateway equipment internal loopback of the invention, comprising steps of
FXS mouthfuls of off-hooks sending call requests of caller of S1, the accessing gateway equipment, generate loopback number；
S2, the BICC basic call control module analyze the loopback number；
S3, according to the loopback number, called FXS mouthfuls of off-hooks of the accessing gateway equipment receive call request, establish
Call.
Further, the step S1 comprising steps of
S11, the receiver off-book for connecting FXS mouthfuls of caller, FXS mouthful of caller corresponding SLC modules detect off-hook events and on
Offer RCM module；
The off-hook event that S12, RCM module report SLC is converted into SETUP_IND message, is sent to BICC module；
S13, BICC module receive the SETUP_IND message that RCM module reports, and issue INFORM_REQ message to RCM, ask
It asks RCM module to dial put dialing tone, receive loopback number；
After S14, RCM module receive INFORM_REQ message, sends DSP module execution to and put dialing tone and start to receive ring
Return number；
S15, DSP module receive loopback number, park dialing tone.
Further, the loopback number is made of prefix and sequence number two parts, and called FXS mouthfuls of the Serial No. right
The sequence number answered.
Further, the loopback number received is successively reported to RCM module, RCM module by DSP module in the S2 step
It records and is called FXS mouthfuls of sequence numbers, and be reported to BICC module, BICC module analyzes the loopback number received, analysis
Process comprising steps of
S21, matching loopback number: loopback directory is set inside the accessing gateway equipment in advance, by what is received
Loopback number is matched with loopback directory；
S22, according to matching result, carry out routing: the exact matching of loopback number, BICC module are routed to interior lines；If not
Match, then BICC module is routed to outside line.
Further, the step S3 comprising steps of
S31, BICC module are routed to interior lines, and the SETUP_REQ for sending the called FXS mouthfuls of sequence numbers of carrying to RCM module is asked
It asks；
After S32, RCM module receive the SETUP_REQ request with called FXS mouthfuls of sequence numbers of BICC module transmission, lead to
Know called FXS mouthfuls corresponding DSP module ring；
After S33, called FXS mouthfuls of corresponding DSP modules receive SETUP_REQ request, start ring, while giving caller FXS
The corresponding DSP module of mouth sends ALERTING_REQ request；
S34, called FXS mouthfuls of corresponding SLC modules report off-hook, while FXS mouthfuls of DSP module stops ring, caller FXS
The DSP module of mouth, which stops dialling, puts back to ringing tone, and FXS mouthfuls and called FXS mouthfuls of caller are established basic call call.
The invention solves the defect existing in the background technology, and the present invention passes through in the side of accessing gateway equipment internal loopback
Method can carry out the test of basic call business without soft switch or IMS equipment under off-line state, from survey and produce
It is efficient, convenient to survey.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the hierarchical relationship figure between each module of accessing gateway equipment in the present invention；
Fig. 2 is the flow chart of the embodiment of the present invention.
Specific embodiment
Presently in connection with drawings and examples, the present invention is described in further detail, these attached drawings are simplified signal
Figure, the basic structure of the invention will be illustrated schematically only, therefore it only shows the composition relevant to the invention.
The present invention proposes a kind of method that voice loopback is carried out inside accessing gateway equipment, realizes with different in equipment
Basic call test between FXS mouthfuls so that under off-line state, also can testing access gateway equipment basic call function
Energy.
So-called loopback is exactly that basic call operation flow does not go out accessing gateway equipment (veneer), only sets in access gateway
It can be completed inside standby (veneer).
There is several FXS mouthfuls on accessing gateway equipment, FXS mouthfuls each:
Physical layer: physical connection is carried out by twisted pair and phone；
Logic level: the incoming call and exhalation of voice are realized.
As shown in Figure 1, the basic call business of accessing gateway equipment comprises the following modules:
SLC/DSP resource module: SLC module detects the electric currents, voltage change such as user's off-hook, on-hook, and off-hook, on-hook
Event is reported to RCM module；DSP module mainly realizes the loopback control of audio medium stream, ringing tone control etc.；
RCM resource controlled block: mainly to the resources such as the various resources such as SLC/DSP being related in BCP basic call process into
Row control and management；
BICC basic call control module: mainly to the control and realization of basic call process, especially control and RCM mould
The interacting message of block.
As shown in Fig. 2, being connect using the FXS0 mouth on the same accessing gateway equipment as caller, FXS1 mouthfuls as being called
Function Access Gateway equipment internal loopback realizes that basic call process is as follows:
0 mouthful of S1.FXS corresponding SLC module reports off-hook event to give RCM module:
The receiver off-book of 0 mouthful of FXS connection, SLC module detects off-hook event, and is reported to RCM module.
Off-hook event is sent to BICC basic call control module by S2.RCM resource controlled block:
The off-hook event that RCM resource controlled block reports SLC module is converted into SETUP_IND message, is sent to BICC
Basic call control module.
S3.BICC basic call control module issues dialing tone and number-accepting request:
BICC basic call control module receives the SETUP_IND message that RCM resource controlled block reports, and gives RCM resource
Control module issues INFORM_REQ message, and request RCM resource controlled block, which is dialled, to be put dialing tone and start to collect the digits.
S4.DSP module puts dialing tone and starts to collect the digits:
After RCM resource controlled block receives INFORM_REQ message, passes through DSP module and go to execute.
S5.DSP module collects the digits, and parks dialing tone:
User dials loopback number, and when user dials first key, DSP module just stops dialing tone.
Above-mentioned loopback number, is made of prefix and number sequence two parts:
1) prefix: such as * #, #*# or ## can be arranged according to actual needs, and this example is by taking * # as an example；
2) number sequence number: sequence number corresponding to FXS mouthfuls called such as calls FXS1 mouthfuls of corresponding phones, then number sequence
Row number is 01；Such as calling FXS15 mouthfuls of corresponding phones, then number sequence number is 15, and so on.
The number analysis of S6.BICC basic call control module:
The number received is successively reported to RCM resource controlled block by DSP module, RCM resource controlled block record by
FXS mouthfuls of sequence numbers are, and are reported to BICC basic call control module, after BICC basic call control module receives number, into
Row number analysis, specific analysis process are as described below:
S61. the prefix of loopback number is first matched:
It needs that loopback numbers table is arranged inside accessing gateway equipment in advance, then the number and loopback number received
Directory is matched.
Above-mentioned loopback numbers table: i.e. the matching rule that collects the digits of loopback number, such as * #xx, wherein * # is prefix,
Xx indicates the Any Digit of continuous 2 0-9.
S62. according to matched as a result, carrying out routing:
1) if the matching result of step S61 is exact matching, it is routed to interior lines；
2) if the matching result of step S61 is to mismatch, it is routed to outside line.(because described in process non-present invention thus
Process, so wouldn't be described in detail)
S7.BICC basic call control module sends SETUP_REQ request to RCM resource controlled block:
BICC basic call control module is once routed to interior lines, then can send SETUP_REQ to RCM resource controlled block
Request, SETUP_REQ request are that called terminal ringing is requested, which carries called FXS mouthfuls of sequence number.
S8.RCM resource controlled block sends SETUP_REQ request to DSP module:
RCM resource controlled block receives having for BICC basic call control module transmission and is called FXS mouthfuls of sequence numbers
After SETUP_REQ request, notify to be called FXS mouthfuls of corresponding DSP module rings, being such as called is 1 mouthful of FXS, then RCM resources control
Module notifies 1 module ring of DSP corresponding with 1 mouthful of FXS.
The call of S9.DSP inside modules loopback
After 1 module of DSP receives SETUP_REQ request, start ring, while giving 0 mouthful of caller FXS corresponding 0 mould of DSP
Block sends ALERTING_REQ request, and ALERTING_REQ request is to dial the request for putting back to ringing tone, and the request is by 0 mould of DSP
Block issues RCM resource controlled block, and RCM resource controlled block re-sends to BICC basic call control module, and BICC is exhaled substantially
RCM resource controlled block is returned to after making control module handle, RCM resource controlled block is then forwarded to 1 module of DSP, DSP 1
Module, which begins to dial after receiving, puts back to ringing tone, that is, the control of basic call process is in BICC basic call control module.
S10. it is called off-hook, establishes call
Called corresponding 1 module of SLC of 1 mouthful of FXS reports off-hook, while 1 mouthful of FXS of 1 module of DSP stops ring, FXS
0 mouthful of 0 module of DSP, which stops dialling, puts back to ringing tone, and the basic call that 0 mouthful and 1 mouthful of FXS of FXS, which is conversed, to be established.
As it can be seen that the present invention is set by the method in accessing gateway equipment internal loopback without soft switch or IMS
It is standby, the test of basic call business can be carried out under off-line state, it is efficient, convenient from surveying and producing survey.
Based on the above description of the preferred embodiments of the present invention, through the above description, related personnel completely can be with
Without departing from the scope of the technological thought of the present invention', various changes and amendments are carried out.The technical scope of this invention
It is not limited to the contents of the specification, it is necessary to determine the technical scope according to the scope of the claims.
Claims (6)
1. a kind of accessing gateway equipment, it is characterised in that: including successively communicate to connect SLC/DSP resource module, RCM resource control
Molding block and BICC basic call control module, the SLC module in the SLC/DSP resource module detect user's off-hook, on-hook
Electric current, voltage change, and off-hook, onhook event are reported to the RCM resource controlled block, the SLC/DSP resource module
In the DSP module control loopback of audio medium stream, ringing tone；The RCM resource controlled block control and management basic call mistake
SLC/DSP resource involved in journey；The message of BICC basic call the control module control and the RCM resource controlled block
Interaction；
Wherein, the SLC module in the SLC/DSP resource module reports off-hook event to the RCM resource controlled block；
Off-hook event is sent to the BICC basic call control module by the RCM resource controlled block；
The BICC basic call control module issues dialing tone and number-accepting request；
DSP module in the SLC/DSP resource module puts dialing tone and starts to collect the digits；
DSP module in the SLC/DSP resource module collects the digits, and parks dialing tone；
The number analysis of the BICC basic call control module；
The BICC basic call control module sends SETUP_REQ request to the RCM resource controlled block；
The RCM resource controlled block sends SETUP_REQ request to the DSP module in the SLC/DSP resource module；
DSP module internal loopback call in the SLC/DSP resource module.
2. a kind of method for realizing basic call in accessing gateway equipment internal loopback as described in claim 1, feature exist
In, comprising steps of
FXS mouthfuls of off-hooks sending call requests of caller of S1, the accessing gateway equipment, generate loopback number；
S2, the BICC basic call control module analyze the loopback number；
S3, according to the loopback number, called FXS mouthfuls of off-hooks of the accessing gateway equipment receive call request, establish call.
3. according to the method described in claim 2, it is characterized in that, the step S1 comprising steps of
S11, the receiver off-book for connecting FXS mouthfuls of caller, FXS mouthfuls of caller corresponding SLC module detection off-hook events are simultaneously reported to
RCM module；
The off-hook event that S12, RCM module report SLC is converted into SETUP_IND message, is sent to BICC module；
S13, BICC module receive the SETUP_IND message that RCM module reports, and issue INFORM_REQ message to RCM, request
RCM module, which is dialled, puts dialing tone, receives loopback number；
After S14, RCM module receive INFORM_REQ message, sends DSP module execution to and put dialing tone and start to receive loopback number
Code；
S15, DSP module receive loopback number, park dialing tone.
4. according to the method described in claim 3, it is characterized in that, the loopback number is by prefix and sequence number two parts group
At the Serial No. is called FXS mouthfuls of corresponding sequence numbers.
5. according to the method described in claim 4, it is characterized in that, the loopback number that DSP module will receive in the S2 step
It is successively reported to RCM module, RCM module, which records, is called FXS mouthfuls of sequence numbers, and is reported to BICC module, and BICC module is to reception
To loopback number analyzed, analytic process comprising steps of
S21, matching loopback number: loopback directory, the loopback that will be received are set inside the accessing gateway equipment in advance
Number is matched with loopback directory；
S22, according to matching result, carry out routing: the exact matching of loopback number, BICC module are routed to interior lines；If mismatching,
BICC module is routed to outside line.
6. according to the method described in claim 5, it is characterized in that, the step S3 comprising steps of
S31, BICC module are routed to interior lines, and the SETUP_REQ request for carrying called FXS mouthfuls of sequence numbers is sent to RCM module；
After S32, RCM module receive the SETUP_REQ request with called FXS mouthfuls of sequence numbers of BICC module transmission, quilt is notified
Cry FXS mouthfuls of corresponding DSP module rings；
After S33, called FXS mouthfuls of corresponding DSP modules receive SETUP_REQ request, start ring, while right to caller FXS mouthfuls
The DSP module answered sends ALERTING_REQ request；
S34, called FXS mouthfuls of corresponding SLC modules report off-hook, while FXS mouthfuls of DSP module stops ring, FXS mouthfuls of caller
DSP module, which stops dialling, puts back to ringing tone, and FXS mouthfuls and called FXS mouthfuls of caller are established basic call call.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610971225.0A CN106656771B (en) | 2016-11-07 | 2016-11-07 | A kind of method that accessing gateway equipment and inside it loopback realize basic call |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610971225.0A CN106656771B (en) | 2016-11-07 | 2016-11-07 | A kind of method that accessing gateway equipment and inside it loopback realize basic call |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106656771A CN106656771A (en) | 2017-05-10 |
| CN106656771B true CN106656771B (en) | 2019-07-09 |
Family
ID=58821938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610971225.0A Active CN106656771B (en) | 2016-11-07 | 2016-11-07 | A kind of method that accessing gateway equipment and inside it loopback realize basic call |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106656771B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112702449A (en) * | 2019-03-27 | 2021-04-23 | 苏州工业园区服务外包职业学院 | Method for configuring number list for intelligent access gateway |
| CN110730275B (en) * | 2019-10-10 | 2021-07-27 | 深圳市普威技术有限公司 | Voice gateway |
| CN113489847A (en) * | 2021-07-04 | 2021-10-08 | 芯河半导体科技(无锡)有限公司 | Production testing method of PON gateway equipment based on double-voice-port equipment |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101052066A (en) * | 2007-05-22 | 2007-10-10 | 杭州华三通信技术有限公司 | Detecting method for prompting voice, voice server and prompting voice detector |
| CN101090378A (en) * | 2007-08-08 | 2007-12-19 | 杭州华三通信技术有限公司 | Method and correlation device for identifying and setting call from IP network to PSTN |
| CN101222554A (en) * | 2008-01-29 | 2008-07-16 | 杭州华三通信技术有限公司 | Data transmission method and port conversion equipment |
| CN101489004A (en) * | 2009-03-03 | 2009-07-22 | 中兴通讯股份有限公司 | Remote diagnosis method and system for VoIP terminal |
| CN101626320A (en) * | 2009-08-18 | 2010-01-13 | 北京华环电子股份有限公司 | Method and device for detecting loopback of channel |
| CN101662542A (en) * | 2008-08-26 | 2010-03-03 | 福建星网锐捷通讯股份有限公司 | System and method for testing foreign exchange station interface |
| CN102025569A (en) * | 2010-12-15 | 2011-04-20 | 中兴通讯股份有限公司 | Point-to-point remote loopback test method, system and device |
| CN102118517A (en) * | 2009-12-31 | 2011-07-06 | 北京大唐高鸿数据网络技术有限公司 | Method for automatically testing integrated access devices of VoIP |
| CN103457782A (en) * | 2012-05-28 | 2013-12-18 | 中兴通讯股份有限公司 | VLAN-based loopback detection method and network equipment |
| CN104158706A (en) * | 2014-08-26 | 2014-11-19 | 杭州华三通信技术有限公司 | Method and device of loopback detection |
| CN105119777A (en) * | 2015-09-07 | 2015-12-02 | 烽火通信科技股份有限公司 | Link loopback detection method in passive optical network (PON) system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8958312B2 (en) * | 2007-10-09 | 2015-02-17 | Arris Enterprises, Inc. | Method and system for performing SIP loopback in communication devices |
-
2016
- 2016-11-07 CN CN201610971225.0A patent/CN106656771B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101052066A (en) * | 2007-05-22 | 2007-10-10 | 杭州华三通信技术有限公司 | Detecting method for prompting voice, voice server and prompting voice detector |
| CN101090378A (en) * | 2007-08-08 | 2007-12-19 | 杭州华三通信技术有限公司 | Method and correlation device for identifying and setting call from IP network to PSTN |
| CN101222554A (en) * | 2008-01-29 | 2008-07-16 | 杭州华三通信技术有限公司 | Data transmission method and port conversion equipment |
| CN101662542A (en) * | 2008-08-26 | 2010-03-03 | 福建星网锐捷通讯股份有限公司 | System and method for testing foreign exchange station interface |
| CN101489004A (en) * | 2009-03-03 | 2009-07-22 | 中兴通讯股份有限公司 | Remote diagnosis method and system for VoIP terminal |
| CN101626320A (en) * | 2009-08-18 | 2010-01-13 | 北京华环电子股份有限公司 | Method and device for detecting loopback of channel |
| CN102118517A (en) * | 2009-12-31 | 2011-07-06 | 北京大唐高鸿数据网络技术有限公司 | Method for automatically testing integrated access devices of VoIP |
| CN102025569A (en) * | 2010-12-15 | 2011-04-20 | 中兴通讯股份有限公司 | Point-to-point remote loopback test method, system and device |
| CN103457782A (en) * | 2012-05-28 | 2013-12-18 | 中兴通讯股份有限公司 | VLAN-based loopback detection method and network equipment |
| CN104158706A (en) * | 2014-08-26 | 2014-11-19 | 杭州华三通信技术有限公司 | Method and device of loopback detection |
| CN105119777A (en) * | 2015-09-07 | 2015-12-02 | 烽火通信科技股份有限公司 | Link loopback detection method in passive optical network (PON) system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106656771A (en) | 2017-05-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101001287A (en) | Voice server and voice answer method | |
| CN106656771B (en) | A kind of method that accessing gateway equipment and inside it loopback realize basic call | |
| Keagy | Integrating voice and data networks | |
| CN101534492B (en) | System for synthetizing virtual private network and method for realizing virtual private network | |
| CN106027817A (en) | Method and system for implementing VOLTE (Voice Over Long Term Evolution) coloring ringback tone | |
| CN107547818A (en) | The building equipment means of communication and system based on cloud call center | |
| WO2006108328A1 (en) | A method for dailing directly to a pbx extension across regions and a system thereof | |
| CN101212525A (en) | Method and system for providing telephone network communication information to computer on Internet | |
| CN102546966A (en) | Method and passive optical network terminal used for realizing subscriber line autonomous testing | |
| CN101068230B (en) | Method for realizing user exchanger in media gateway | |
| CN108111700A (en) | Calling back when busy method, apparatus and server | |
| CN101883116B (en) | Call processing method and media gateway | |
| CN102045463A (en) | Method and device for analyzing calls | |
| CN101605357B (en) | Method for accessing public switched telephone network by wireless network device and wireless network device | |
| CN102868689A (en) | Method and system for realizing polyphonic ringtone business in one-number business | |
| CN109548179A (en) | Call conversation processing method and processing device, method of calling and system | |
| CN101742010B (en) | A network-extension is made to dial method and the device of a traditional extension | |
| WO2007059676A1 (en) | A method and a system for implementing trunk offering | |
| KR100729580B1 (en) | Phone service network for providing additional services to a PSTN and Internet phone subscriber using VoIP gateway with interactive voice response function, and method for additional service thereof | |
| US6792080B1 (en) | System and method for testing enhanced 911 signalling over a digital loop carrier trunk | |
| CN100496072C (en) | Switchboard realizing method | |
| CN103023899B (en) | The method of a kind of VoIP system several data business support | |
| CN103139055B (en) | Voice home gateway side realizes method and the device of internal call transfer | |
| CN106375615A (en) | Voice over internet protocol based on call forwarding | |
| CN201118712Y (en) | A communication information service system for providing Internet computer with phone network communication information |
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 |