CN101686441A - Call hold service (CHS) calling method, equipment and system - Google Patents
Call hold service (CHS) calling method, equipment and system Download PDFInfo
- Publication number
- CN101686441A CN101686441A CN200810168854A CN200810168854A CN101686441A CN 101686441 A CN101686441 A CN 101686441A CN 200810168854 A CN200810168854 A CN 200810168854A CN 200810168854 A CN200810168854 A CN 200810168854A CN 101686441 A CN101686441 A CN 101686441A
- Authority
- CN
- China
- Prior art keywords
- hold
- subscriber equipment
- message
- notification message
- call
- 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
Images
Abstract
The invention discloses a call hold service (CHS) calling method, equipment and a system, relating to the communication network technology and realizing CHS calling in an IMS system when called hold user equipment is in a ringing state. The CHS calling method provided by the invention comprises the following steps: transmitting a call hold request message by user equipment initiating HOLD and calling HOLD service when the called hold user equipment is in a ringing state; receiving the HOLD request message by a multimedia service access point (MSAN), terminating the HOLD request message and recording HOLD calling state; and transmitting a service state notification message to the called hold user equipment by the MSAN according to the connecting confirmation message of user equipment initiating HOLD after responding of the called hold user equipment. The invention is applicable to occasions of performing HOLD service calling.
Description
Technical field
The present invention relates to communication network technology, relate in particular to a kind of call method, multimedia service access point, application server and communication system of call hold service.
Background technology
(IP Multimedia Subsystem is by third generation partner program (3rd Generation Partnership Project, 3GPP) a kind of IP-based network framework of Ti Chuing IMS) to IP Multimedia System.
IMS comprises the core network element that all provide multimedia service controls such as audio frequency, video, literal, instant message, adopt Session initiation Protocol (Session Initial Protocol, SIP) come bearing call control signaling as IMS key-course agreement, unified multimedia service and application is provided.
Main network element entity comprises among the IMS: call conversation control entity (Call Session ControlFunction, CSCF), Multimedia resource function controller (MRFC) (Multimedia Resource FunctionController, MRFC), Multimedia resource function processor (MRFP) (Multimedia Resource FunctionProcessor, MRFP), home subscriber server (Home Subscriber Server, HSS) and application server (Application Server, AS) etc.
Wherein, CSCF according to different positions and function can be divided into serving CSCF (Serving CSCF, S-CSCF), proxy CSCF (Proxy CSCF, P-CSCF) and inquiry CSCF (I-CSCF).S-CSCF is in the control core status in IMS, be used for registration, session control and processing, and triggers professional to application server; P-CSCF is first entrance of subscriber equipment (UE) visit IMS; I-CSCF is the entrance from the access domain to the home domain, the main inquiry home subscriber information of being responsible for, and distribute S-CSCF etc. for the user.
HSS is mainly used in the value-added service CAMEL-Subscription-Information of preserving IMS user in home domain, comprises integrated databases such as basic identification, user security, routing iinformation and service profile.AS provides value-added service for IMS user.
MRFC resolves the SIP resource control command from other S-CSCF and AS by the media resource on the control of the agreement H.248 MRFP, is converted to the corresponding control command of MRFP and produces corresponding charge information.MRFP provides resource service as the network public resource under MRFC control.
UE supports Digital Subscriber signalling No.1 (the Digital Subscriber Signaling SystemNo.1 of system, DSS1) agreement is passed through access point, for example, and voip gateway (Voice over IP Gateway, VGW), IAD (Acess Gateway), insert IMS.In the IMS framework, (Multi-service Access Node MSAN) inserts among the IMS UE, and MSAN has realized the conversion between the DSS1 agreement and Session Initiation Protocol between user side and the network side by the multimedia service access point.
In order to satisfy the business need that the user improves day by day, be user-friendly to, introduced maintenance (HOLD) business of calling out.The HOLD business is integrated services digital network (Integrated Services Digital Network, ISDN) one of the supplementary service by International Telecommunication Union and ETSI (ETSI) definition.For example, an application scenarios that under talking state, call out to keep can for: subscriber equipment A and subscriber equipment party B-subscriber converse, and subscriber equipment A calls the HOLD business function, and subscriber equipment B is maintained by calling, is in wait state (as temporarily listening to the HOLD music).Under the situation that keeps subscriber equipment B business, subscriber equipment A can initiate new calling, as conversing with subscriber equipment C.Equally, subscriber equipment A also can call the HOLD business function, subscriber equipment C is called out maintain.And subscriber equipment is in the HOLD business under the ring attitude, is an important application scene of HOLD service application.
The HOLD business is mainly realized by service switch and subscriber equipment cooperation in the prior art, as shown in Figure 1, mainly comprises the steps:
Step S1: subscriber equipment A sends the HOLD request message of supporting the DSS1 agreement, calls the HOLD business function;
Step S2: after service switch is received this HOLD request message, send HOLD to subscriber equipment A and confirm (ACK) message, this HOLD ACK message is confirmed calling of HOLD business;
Step S3: service switch calls the HOLD business, sends notice (NOTIFY) message to subscriber equipment B, and this NOTIFY carries the notice indication, and (indication subscriber equipment B adopts far-end HOLD business for Notify Indicator, NI) parameter.
Wherein, subscriber equipment A and subscriber equipment B are in talking state or ringing condition, and the DSS1 protocol call reference parameter between subscriber equipment A and the subscriber equipment B is CRX (X represents optional value, as 3 or 4 etc.),
In realizing process of the present invention, the inventor finds that there are the following problems at least in the prior art: clearly do not propose in the prior art to be under the ring attitude call method of HOLD business in the IMS framework when subscriber equipment.
Summary of the invention
For solving above-mentioned problems of the prior art, embodiments of the invention provide a kind of call method, multimedia service access point, application server and communication system of call hold service.
For achieving the above object, embodiments of the invention adopt following technical scheme:
A kind of call method of call hold service comprises:
Be under the ring attitude by the subscriber equipment of HOLD, the calling that multimedia service access point MSAN receives from the subscriber equipment of initiating HOLD keeps the HOLD request message, and described HOLD request message and recording hold calling state terminate;
After being replied by the subscriber equipment of HOLD, the MSAN basis is from the connection acknowledge message of the subscriber equipment of described initiation HOLD, to being sent the service condition notification message by the subscriber equipment of HOLD.
A kind of call method of call hold service comprises:
Be under the ring attitude by the subscriber equipment of HOLD, multimedia service access point MSAN receives the HOLD request message, this HOLD request message is mapped as the application server AS that sends to after the call notification message in the I P multimedia subsystem, IMS;
Described AS receives and the described call notification message that terminates, recording hold calling state;
After being replied by the subscriber equipment of HOLD, described AS is according to the affirmation message from the subscriber equipment of initiating HOLD, to being sent the service condition notification message by the subscriber equipment of HOLD.
A kind of multimedia service access point comprises:
Call processing unit, be used for being called out and keep the subscriber equipment of HOLD to be under the ring attitude, receive the HOLD request message from the subscriber equipment of initiating HOLD, described HOLD request message and recording hold calling state terminate;
Notification unit is used for after being replied by the subscriber equipment of HOLD, according to the connection acknowledge message from the subscriber equipment of described initiation HOLD, to being sent the service condition notification message by the subscriber equipment of HOLD.
A kind of application server comprises:
The receiving record unit, be used for being under the ring attitude at the subscriber equipment of being called out maintenance HOLD, receive call notification message, this call notification message and recording hold calling state terminate, wherein, by multimedia service access point MSAN the HOLD request message from the subscriber equipment of initiating HOLD is shone upon, obtain described call notification message;
Notification unit is used for after being replied by the subscriber equipment of HOLD, according to the affirmation message from the subscriber equipment of described initiation HOLD, to being sent the service condition notification message by the subscriber equipment of HOLD.
A kind of communication system comprises:
First subscriber equipment is used for being under the ring attitude at second subscriber equipment, sends to call out to keep the HOLD request message, calls the HOLD business, and described first subscriber equipment is for initiating the subscriber equipment of HOLD, and described second subscriber equipment is by the subscriber equipment of HOLD;
Local multimedia service access point MSAN is used to receive described HOLD request message, and described HOLD request message and recording hold calling state terminate; After second subscriber equipment was replied, according to the connection acknowledge message from first subscriber equipment, the application server AS in IMS sent the service condition notification message, and the described HOLD that described service condition notification message carries record calls state;
Described AS is used to receive described service condition notification message, by far-end MSAN this service condition notification message is sent to second subscriber equipment.
A kind of communication system comprises:
First subscriber equipment is used for being under the ring attitude at second subscriber equipment, sends to call out to keep the HOLD request message, calls the HOLD business, and described first subscriber equipment is for initiating the subscriber equipment of HOLD, and described second subscriber equipment is by the subscriber equipment of HOLD;
Local multimedia service access point MSAN is used to receive described HOLD request message, this HOLD request message is mapped as the application server AS that sends to after the call notification message among the IMS;
Described AS is used for receiving and terminate described call notification message and recording hold calling state; After second subscriber equipment is replied, according to affirmation message from first subscriber equipment, send the service condition notification message, and by far-end MSAN this service condition notification message is sent to second subscriber equipment, the described HOLD that described service condition notification message carries record calls state.
From the above mentioned, the technical scheme that the embodiment of the invention provides can be worked as when being in the ring attitude by the subscriber equipment of HOLD, realizes calling of call hold service in the IMS system.
Description of drawings
Fig. 1 is a call hold service schematic flow sheet in the prior art;
The call method schematic diagram of a kind of call hold service that Fig. 2 provides for the embodiment of the invention one;
The call method schematic diagram of a kind of call hold service that Fig. 3 provides for the embodiment of the invention two;
The multimedia service access point structures schematic diagram that Fig. 4 provides for the embodiment of the invention three;
The application server structural representation that Fig. 5 provides for the embodiment of the invention four;
The communication system schematic diagram that Fig. 6 provides for the embodiment of the invention five.
Embodiment
In order to be illustrated more clearly in the technical scheme of the embodiment of the invention, below in conjunction with accompanying drawing embodiments of the invention are described in detail, following description only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other execution mode of the present invention according to these embodiment.
The technical scheme that the embodiment of the invention provides is applicable to by the subscriber equipment of HOLD and is under the ring attitude, carries out the application scenarios of HOLD calling service in the IMS system, for example, subscriber equipment A calling user device B, subscriber equipment B ring is in ringing condition.Before subscriber equipment B did not have off-hook to reply this calling, subscriber equipment A called the HOLD business function; After subscriber equipment B off-hook is replied, owing to called the HOLD business before the subscriber equipment A, so subscriber equipment B maintained by calling, is in wait state (as temporarily listening to the HOLD music).
The call method of a kind of call hold service that the embodiment of the invention one provides as shown in Figure 2, specifically comprises the steps:
Step T1, be under the ring attitude by the subscriber equipment of HOLD, the subscriber equipment of initiating HOLD sends to call out and keeps the HOLD request message, calls the HOLD business.
Initiate the subscriber equipment of HOLD, for example, subscriber equipment A; By the subscriber equipment of HOLD, for example, far-end (Remote) subscriber equipment B, when remote user equipment B is in (under the U4 state of subscriber equipment A corresponding to the DSS1 agreement) under the ring attitude, subscriber equipment A sends the HOLD request message, call the HOLD business function, this HOLD request message is supported the DSS1 agreement, and the DSS1 protocol call reference parameter CRX between subscriber equipment A and the remote user equipment B can get CR1.
Step T2, MSAN receive the HOLD request message, and described HOLD request message and recording hold calling state terminate;
The technical scheme that provides in the embodiment of the invention mainly is based on the IMS network, this MSAN is the access point that subscriber equipment accesses to the IMS network, this subscriber equipment comprises integrated services digital network (IntegratedServices Digital Network, ISDN) terminal and support the terminal (as, mobile phone) etc. of multimedia function.
Preferably, the embodiment of the invention adopts multimedia service access point (Multi-service AccessNode, MSAN) mapping between the signaling of the support Session Initiation Protocol of the support DSS1 protocol signaling of realization user side and network side.
Subscriber equipment A and remote user equipment B insert IMS by the MSAN of local and far-end respectively.
Be under the ring attitude by the subscriber equipment of HOLD, after MSAN receives above-mentioned HOLD request message, no longer the functional entity in coupled IMS sends, but this HOLD request message that terminates, recording hold calling state, this HOLD calls state indication subscriber equipment A and has initiated calling of HOLD business.
Step T3, remote user equipment B reply, and A establishes a communications link with subscriber equipment, specifically comprises:
Step T31, remote user equipment B send connection (CONNECT) message of supporting the DSS1 agreement to the MSAN of far-end;
Step T32, MSAN are 200OK message with this CONNECT message maps, send to the application server AS among the IMS, and AS is sent to local MSAN with this 200OK message;
Step T33, local MSAN are mapped as CONNECT message again with this 200OK message and send to subscriber equipment A;
Step T34, subscriber equipment A receive after the CONNECT message to the MSAN of this locality, send to connect and confirm (CONNECT ACK) message.
Step T35, local MSAN should connect acknowledge message and be mapped as ACK message, were sent to remote user equipment.
Step T4, local MSAN are according to the connection acknowledge message from the subscriber equipment of initiating HOLD, and to being sent the service condition notification message by the subscriber equipment of HOLD, the described HOLD that described service condition notification message carries record calls state.
Above-mentioned service condition notification message, B adopts the HOLD service condition in order to the notice remote user equipment.The embodiment of the invention one provides the following at least two kinds of methods that will support the CONNECT ACK message maps of DSS1 agreement for the service condition notification message of support Session Initiation Protocol:
Method one: with CONNECT ACK message maps for re-inviting reINVITE message.
Wherein, require as follows to being provided with of reINVITE message:
1, the user portion in Request URI and the To header field in this reINVITE message is filled out URI into remote user equipment;
2, need to carry P-Service-Notification in this reINVITE message, the ABNF format description is as follows:
P-Service-Notification＝″P-Service-Notification″
HCOLON?notification
notification??????????＝″remote?hold″
3, this reINVITE message need be carried Session Description Protocol (SessionDescription Protocol, the SDP) signaling, and direction is set to sendonly of Business Initiator's subscriber equipment A.
A kind of example of the reINVITE message based on above-mentioned requirements is as follows:
INVITE?sip:123456@huawei.com；user＝phone?SIP/2.0
Call-ID：c006b979a8938e0683bcc9096ba308bc
From：<sip:+86755654321@huawei.com；user＝phone>；tag＝7f1f90f1
To：<sip:123456@huawei.com；user＝phone>；tag＝8f1f9801
CSeq：3INVITE
Max-Forwards：70
Supported：100rel，replaces
P-Service-Notification：remote?hold
Content-Length：...
Content-Type：application/sdp
SDP_UserA(sendonly)
Method two: CONNECT ACK message maps is renewal UPDATE message.
Wherein, require as follows to being provided with of UPDATE:
1, the user portion in Request URI and the To header field is set to the URI of remote subscriber in this UPDATE message;
2, need to carry P-Service-Notification in this UPDATE message, the ABNF format description is as follows:
P-Service-Notification＝″P-Service-Notification″
HCOLON?notification
notification??????????＝″remote?hold″
A kind of UPDATE message examples based on above-mentioned requirements is as follows:
UPDATE?sip:123456@huawei.com；user＝phone?SIP/2.0
Call-ID：c006b979a8938e0683bcc9096ba308bc
From：<sip:+86755654321@huawei.com；user＝phone>；tag＝7f1f90f1
To：<sip:123456@huawei.com；user＝phone>；tag＝8f1f9801
CSeq：3UPDATE
Max-Forwards：70
Supported：100rel，replaces
P-Service-Notification：remote?hold
Content-Length：0
Above-mentionedly can illustrate by following table 1 is clear about the key message in the mapping relations:
Table 1
When CONNECT ACK message maps being the service condition notification message by said method, local MSAN also should connect acknowledge message and be mapped as affirmation (ACK) message, send to AS, AS sends to far-end MSAN with ACK message, and far-end MASN is that CONNECT ACK message sends to remote user equipment B with the ACK message maps.
Local MSAN is with service condition notification message (reINVITE message or UPDATE message), send to AS, after AS receives this service condition notification message, carry out the HOLD business logical operation, for example, AS control MRFC plays HOLD music etc. to remote user equipment B.
AS sends to the MSAN of far-end with the service condition notification message, and the MSAN of far-end is mapped as notice (Notify) message with this service condition notification message and sends to remote user equipment B, and the key message in its mapping relations can be expressed as follows by table 2:
Table 2
| Support the DSS1 agreement | Support Session Initiation Protocol |
| ??←Notify | ← reINVITE message |
| ??Notification?indicator?IE | ??P-Service-Notification |
| ??Notification?description： ??1111001(remote?hold) | ??remote?hold |
From the above mentioned, the technical scheme that the embodiment of the invention one provides can when being in the ring attitude by the subscriber equipment of HOLD, realize calling of call hold service in the IMS system.
The call method of a kind of call hold service that the embodiment of the invention two provides as shown in Figure 3, specifically comprises the steps:
Step W1, be under the ring attitude by the subscriber equipment of HOLD, the subscriber equipment of initiating HOLD sends to call out and keeps the HOLD request message, calls the HOLD business.
Initiate the subscriber equipment of HOLD, for example, subscriber equipment A; By the subscriber equipment of HOLD, for example, far-end (Remote) subscriber equipment B, subscriber equipment A and remote user equipment B insert IMS by the MSAN of local and far-end respectively.
Step W2, local MSAN receive the HOLD request message, this HOLD request message are mapped as the AS that sends to after the call notification message among the IMS;
Local MSAN receives the HOLD request message, sends to AS after this HOLD request message is mapped as call notification message.
Above-mentioned call notification message comprises reINVITE message or UPDATE message, and the key message of these mapping relations can be by shown in the table 3:
Table 3
| Support the DSS1 agreement | Support Session Initiation Protocol |
| The HOLD request message- | ReINVITE message/UPDATE message- |
| ??P-Service-Notification： ??Remote?hold |
Wherein, to reINVITE message or UPDATE message be provided with reference among the invention described above embodiment one to the setting of reINVITE message or UPDATE message.
Different with the invention described above embodiment one, in the embodiment of the invention two, the MSAN HOLD request message that do not terminate.
AS among step W3, the described IMS receives and the described call notification message that terminates, recording hold calling state.
AS receives reINVITE message or UPDATE message, terminate this reINVITE message or UPDATE message, recording hold calling state.
Step W4, remote user equipment B reply, and A establishes a communications link with subscriber equipment, and concrete grammar is referring to above-mentioned steps T3.
Step W5, after being replied by the subscriber equipment of HOLD, described AS is according to the affirmation message from the subscriber equipment of initiating HOLD, to being sent the service condition notification message by the subscriber equipment of HOLD, the described HOLD that described service condition notification message carries record calls state.
After subscriber equipment A receives CONNECT message from remote user equipment B, send CONNECT ACK message to local MSAN, MASN sends to AS with this CONNECT ACK message maps for ACK message.
After AS receives this ACK message, send the service condition notification message to far-end MSAN, this service condition notification message reINVITE message or UPDATE message.To this reINVITE message or UPDATE message be provided with reference among the invention described above embodiment one to the setting of reINVITE message or UPDATE message.
Far-end MSAN is a notice Notify message with this reINVITE message or UPDATE message maps, sends to remote user equipment B, and the key message of these mapping relations is referring to table 2.
The concrete grammar of each step can be referring to the embodiment of the invention one in the embodiment of the invention two, and both are in main difference:
In the embodiment of the invention one by MSAN termination HOLD request message, recording hold calling state; And in the embodiment of the invention two by AS, the call notification message that termination is come by HOLD request message mapping, recording hold calling state.
From the above mentioned, the technical scheme that the embodiment of the invention two provides can be worked as when being in the ring attitude by the subscriber equipment of HOLD, realizes calling of call hold service in the IMS system.
The embodiment of the invention three provides a kind of multimedia service access point, as shown in Figure 4, comprising:
Call processing unit 41, be used for being under the ring attitude by the subscriber equipment of HOLD, receive the HOLD request message from the subscriber equipment of initiating HOLD, described HOLD request message and recording hold calling state terminate;
The concrete method of work of each functional entity is referring to method embodiment of the present invention in the embodiment of the invention three.From the above mentioned, the technical scheme that the embodiment of the invention three provides can when being in the ring attitude by the subscriber equipment of HOLD, realize calling of call hold service in the IMS system.
The embodiment of the invention four provides a kind of application server, as shown in Figure 5, comprising:
Receiving record unit 51, be used for being under the ring attitude at the subscriber equipment of being called out maintenance HOLD, receive call notification message, this call notification message and recording hold calling state terminate, wherein, by multimedia service access point MSAN the HOLD request message from the subscriber equipment of initiating HOLD is shone upon, obtain described call notification message;
The concrete method of work of each functional entity is referring to method embodiment of the present invention among the present device embodiment.From the above mentioned, the technical scheme that the embodiment of the invention four provides can be worked as when being in the ring attitude by the subscriber equipment of HOLD, realizes calling of call hold service in the IMS system.
As shown in Figure 6, the embodiment of the invention five provides a kind of communication system, comprising:
Local multimedia service access point MSAN62 is used to receive described HOLD request message, and described HOLD request message and recording hold calling state terminate; After second subscriber equipment was replied, according to the connection acknowledge message from first subscriber equipment, the application server AS 63 in IMS sent the service condition notification message, and the described HOLD that described service condition notification message carries record calls state;
Described AS63 is used to receive described service condition notification message, by far-end MSAN64 this service condition notification message is sent to second subscriber equipment 65.
Another communication system that the embodiment of the invention five provides comprises:
First subscriber equipment is used for being under the ring attitude at second subscriber equipment, sends to call out to keep the HOLD request message, calls the HOLD business, and described first subscriber equipment is for initiating the subscriber equipment of HOLD, and described second subscriber equipment is by the subscriber equipment of HOLD;
Local multimedia service access point MSAN is used to receive described HOLD request message, this HOLD request message is mapped as the application server AS that sends to after the call notification message among the IMS;
Described AS is used for receiving and terminate described call notification message and recording hold calling state; After second subscriber equipment is replied, according to affirmation message from first subscriber equipment, send the service condition notification message, and by far-end MSAN this service condition notification message is sent to second subscriber equipment, the described HOLD that described service condition notification message carries record calls state.
The concrete method of work of each functional entity is referring to method embodiment of the present invention in the above-mentioned communication system.From the above mentioned, the technical scheme that the embodiment of the invention five provides can be worked as when being in the ring attitude by the subscriber equipment of HOLD, realizes calling of call hold service in the IMS system.
One of ordinary skill in the art will appreciate that all or part of step that realizes in the foregoing description, can finish by the program command related hardware.The software of described embodiment correspondence can be stored in a computer and can store in the medium that reads.
The above; only be the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; can expect easily changing or replacing, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claim.
Claims (12)
1, a kind of call method of call hold service is characterized in that, comprising:
Be under the ring attitude at the subscriber equipment of being called out maintenance HOLD, the calling that multimedia service access point MSAN receives from the subscriber equipment of initiating HOLD keeps the HOLD request message, and described HOLD request message and recording hold calling state terminate;
After being replied by the subscriber equipment of HOLD, described MSAN basis is from the connection acknowledge message of the subscriber equipment of described initiation HOLD, to being sent the service condition notification message by the subscriber equipment of HOLD, the described HOLD that described service condition notification message carries record calls state.
2, the call method of call hold service according to claim 1 is characterized in that, described service condition notification message comprises and re-invites reINVITE message or upgrade UPDATE message.
3, a kind of call method of call hold service is characterized in that, comprising:
Be under the ring attitude at the subscriber equipment of being called out maintenance HOLD, multimedia service access point MSAN receives the HOLD request message from the subscriber equipment of initiating HOLD, this HOLD request message is mapped as the application server AS that sends to after the call notification message among the IP Multimedia System IMS;
Described AS receives and the described call notification message that terminates, recording hold calling state;
After being replied by the subscriber equipment of HOLD, described AS is according to the affirmation message from the subscriber equipment of initiating HOLD, and to being sent the service condition notification message by the subscriber equipment of HOLD, the described HOLD that described service condition notification message carries record calls state.
4, the call method of call hold service according to claim 3 is characterized in that, comprising:
Described call notification message comprises re INVITE or UPDATE message;
Described service condition notification message comprises reINVITE message or UPDATE message.
5, a kind of multimedia service access point is characterized in that, comprising:
Call processing unit, be used for being under the ring attitude at the subscriber equipment of being called out maintenance HOLD, receive the HOLD request message from the subscriber equipment of initiating HOLD, described HOLD request message and recording hold calling state terminate;
Notification unit, be used for after being replied by the subscriber equipment of HOLD, according to the connection acknowledge message from the subscriber equipment of described initiation HOLD, to being sent the service condition notification message by the subscriber equipment of HOLD, the described HOLD that described service condition notification message carries record calls state.
6, multimedia service access point according to claim 5 is characterized in that, described service condition notification message comprises and re-invites reINVITE message or upgrade UPDATE message.
7, a kind of application server is characterized in that, comprising:
The receiving record unit, be used for being under the ring attitude at the subscriber equipment of being called out maintenance HOLD, receive call notification message, this call notification message and recording hold calling state terminate, wherein, by multimedia service access point MSAN the HOLD request message from the subscriber equipment of initiating HOLD is shone upon, obtain described call notification message;
Notification unit, be used for after being replied by the subscriber equipment of HOLD, according to the affirmation message from the subscriber equipment of described initiation HOLD, to being sent the service condition notification message by the subscriber equipment of HOLD, the described HOLD that described service condition notification message carries record calls state.
8, application server according to claim 7 is characterized in that, comprising:
Described call notification message comprises reINVITE message or UPDATE message;
Described service condition notification message comprises reINVITE message or UPDATE message.
9, a kind of communication system is characterized in that, comprising:
First subscriber equipment is used for being under the ring attitude at second subscriber equipment, sends to call out to keep the HOLD request message, calls the HOLD business, and described first subscriber equipment is for initiating the subscriber equipment of HOLD, and described second subscriber equipment is by the subscriber equipment of HOLD;
Local multimedia service access point MSAN is used to receive described HOLD request message, and described HOLD request message and recording hold calling state terminate; After second subscriber equipment was replied, according to the connection acknowledge message from first subscriber equipment, the application server AS in IMS sent the service condition notification message, and the described HOLD that described service condition notification message carries record calls state;
Described AS is used to receive described service condition notification message, by far-end MSAN this service condition notification message is sent to second subscriber equipment.
10, communication system according to claim 9 is characterized in that, described service condition notification message comprises and re-invites reINVITE message or upgrade UPDATE message.
11, a kind of communication system is characterized in that, comprising:
First subscriber equipment is used for being under the ring attitude at second subscriber equipment, sends to call out to keep the HOLD request message, calls the HOLD business, and described first subscriber equipment is for initiating the subscriber equipment of HOLD, and described second subscriber equipment is by the subscriber equipment of HOLD;
Local multimedia service access point MSAN is used to receive described HOLD request message, this HOLD request message is mapped as the application server AS that sends to after the call notification message among the IMS;
Described AS is used for receiving and terminate described call notification message and recording hold calling state; After second subscriber equipment is replied, according to affirmation message from first subscriber equipment, send the service condition notification message, and by far-end MSAN this service condition notification message is sent to second subscriber equipment, the described HOLD that described service condition notification message carries record calls state.
12, communication system according to claim 11 is characterized in that, comprising:
Described call notification message comprises reINVITE message or UPDATE message;
Described service condition notification message comprises reINVITE message or UPDATE message.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810168854.5A CN101686441B (en) | 2008-09-28 | 2008-09-28 | Call hold service (CHS) calling method, equipment and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810168854.5A CN101686441B (en) | 2008-09-28 | 2008-09-28 | Call hold service (CHS) calling method, equipment and system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101686441A true CN101686441A (en) | 2010-03-31 |
| CN101686441B CN101686441B (en) | 2014-11-19 |
Family
ID=42049345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810168854.5A Active CN101686441B (en) | 2008-09-28 | 2008-09-28 | Call hold service (CHS) calling method, equipment and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101686441B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103812838A (en) * | 2012-11-13 | 2014-05-21 | 中国移动通信集团公司 | Service calling method and device and system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101111086A (en) * | 2007-08-28 | 2008-01-23 | 华为技术有限公司 | Method and system for call control |
| US20080096553A1 (en) * | 2006-10-20 | 2008-04-24 | Sonus Networks, Inc. | Mobile communication network |
| CN101262535A (en) * | 2008-04-11 | 2008-09-10 | 华为技术有限公司 | Call billing method, system, device and equipment |
-
2008
- 2008-09-28 CN CN200810168854.5A patent/CN101686441B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080096553A1 (en) * | 2006-10-20 | 2008-04-24 | Sonus Networks, Inc. | Mobile communication network |
| CN101111086A (en) * | 2007-08-28 | 2008-01-23 | 华为技术有限公司 | Method and system for call control |
| CN101262535A (en) * | 2008-04-11 | 2008-09-10 | 华为技术有限公司 | Call billing method, system, device and equipment |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103812838A (en) * | 2012-11-13 | 2014-05-21 | 中国移动通信集团公司 | Service calling method and device and system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101686441B (en) | 2014-11-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2150013B1 (en) | System, equipment and method for implementing special calling services | |
| US8223753B2 (en) | Apparatus for a terminal to access an IMS system and the method thereof | |
| CN100563282C (en) | The method of listening dailed signal sound at dail line terminal during network interworking | |
| CN101884205B (en) | Dynamic initiation of i1-ps signaling in ims centralized services | |
| CN101132378B (en) | Method and communication system for intercommunication among different networks | |
| CN104202786A (en) | Method and device for calling routing | |
| CN101237614B (en) | Method for realizing CRBT service | |
| US9071690B2 (en) | Call transfer processing in SIP mode | |
| CN101448203B (en) | Implement method for controlling early-media playing | |
| CN102143278A (en) | Event reporting method and state information acquiring method and device of analog terminal | |
| CN101686441B (en) | Call hold service (CHS) calling method, equipment and system | |
| CN101459872B (en) | Method for updating media after answering by single session customized ring back tone and color video service | |
| CN103905671A (en) | Method for implementing emergency call services of VOIP system | |
| CN101330640B (en) | Method for implementing call retention business of IP multimedia subsystem centralized business | |
| CN103141068A (en) | Service based release of a subscriber registrar server from a signalling path in an internet protocol communication network | |
| KR100809398B1 (en) | Method and system for transmitting SMS for VoIP service supproting Multi-protocol | |
| CN102057701B (en) | Method for achieving a call-waiting functionality in a communication network | |
| CN101448223B (en) | Method for realizing call holding and call recover of circuit switched domain accessed IP multimedia subsystem | |
| CN101286951B (en) | Session preemption method | |
| CN101742448B (en) | Method, device and system for realizing call forwarding service | |
| CN101800948B (en) | Method, device and system for implementing call deflection service | |
| CN101902437B (en) | Method and device for processing error response message in session establishment requesting process | |
| CN102480418B (en) | Routing method for realizing video frequency intercommunication for code division multiple access (CDMA) 2000 terminal and soft exchange terminal | |
| CN101448202B (en) | Method for updating media with coloring ring back tone and ring tone services | |
| KR101136653B1 (en) | Apparatus and method for providing multimedia contents to terminals on early session |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |