CN101686441B - Call hold service (CHS) calling method, equipment and system - Google Patents
Call hold service (CHS) calling method, equipment and system Download PDFInfo
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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 System (IP Multimedia Subsystem, IMS) is the IP-based network architecture of one being proposed by third generation partner program (3rd Generation Partnership Project, 3GPP).
IMS comprises all core network elements that the multimedia service controls such as audio frequency, video, word, instant message are provided, adopt Session initiation Protocol (Session Initial Protocol, SIP) carry out bearing call control signal as IMS key-course agreement, unified multimedia service and application is provided.
In IMS, main network element entity comprises: 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, and application server (Application Server, AS) etc. HSS).
Wherein, CSCF can be divided into serving CSCF (Serving CSCF, S-CSCF), proxy CSCF (Proxy CSCF, P-CSCF) and inquiry CSCF (I-CSCF) according to different positions and function.S-CSCF is the driver's seat in core in IMS, for registration, session control and processing, and triggers business to application server; P-CSCF is first entrance of subscriber equipment (UE) access IMS; I-CSCF is the entrance from access domain to home domain, and main being responsible for inquired about home subscriber information, and is user assignment S-CSCF etc.
HSS is mainly used in preserving IMS user's value-added service CAMEL-Subscription-Information in home domain, comprises the integrated databases such as basic identification, user security, routing iinformation and service profile.AS provides value-added service for IMS user.
MRFC, by the media resource on agreement control MRFP H.248, resolves the SIP resource control command from other S-CSCF and AS, is converted to the corresponding control command to MRFP and produces corresponding charge information.MRFP, as network public resource, provides resource service under MRFC controls.
UE supports Digital Subscriber signalling No.1 system (Digital Subscriber Signaling SystemNo.1, DSS1) agreement is passed through access point, for example, voip gateway (Voice ove rIP Gateway, VGW), IAD (Acess Gateway), access IMS.In IMS framework, UE is by multimedia service access point (Multi-service Access Node, MSAN) access IMS, and MSAN has realized the conversion between DSS1 agreement and Session Initiation Protocol between user's side and network side.
The business need day by day improving in order to meet user, is user-friendly to, and has introduced to call out to keep (HOLD) business.HOLD business is by one of integrated services digital network (Integrated Services Digital Network, ISDN) supplementary service of International Telecommunication Union (ITU) and ETSI (ETSI) definition.For example, under talking state, calling out the application scenarios keeping can be: subscriber equipment A and subscriber equipment party B-subscriber call, subscriber equipment A calls HOLD business function, and subscriber equipment B called maintains, in wait state (as temporarily listened to HOLD music).In the situation that keeping subscriber equipment B business, subscriber equipment A can initiate new calling, as conversed with subscriber equipment C.Equally, subscriber equipment A also can call HOLD business function, and subscriber equipment C is called out and maintained.And the HOLD business of subscriber equipment under ringing-state is an important application scene of HOLD service application.
In prior art, HOLD business is mainly realized by service switch and subscriber equipment cooperation, as shown in Figure 1, mainly comprises the steps:
Step S1: subscriber equipment A sends the HOLD request message of supporting DSS1 agreement, calls HOLD business function;
Step S2: service switch is received after this HOLD request message, sends HOLD confirm (ACK) message to subscriber equipment A, and this HOLD ACK message is confirmed calling of HOLD business;
Step S3: service switch calls HOLD business, send notice (NOTIFY) message to subscriber equipment B, this NOTIFY carries notice instruction (Notify Indicator, NI) parameter, and equipment for indicating user B adopts far-end HOLD business.
Wherein, subscriber equipment A and subscriber equipment B be in talking state or ringing condition, and the DSS1 protocol call reference parameter between subscriber equipment A and subscriber equipment B is CRX (X represents optional value, as 3 or 4 etc.),
Realizing in process of the present invention, inventor finds that in prior art, at least there are the following problems: in prior art, clearly do not propose when subscriber equipment is under ringing-state the call method of HOLD business in IMS framework.
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 call method for call hold service, comprising:
By the subscriber equipment of HOLD under ringing-state, multimedia service access point MSAN receives from the calling of the subscriber equipment of initiating HOLD and keeps HOLD request message, described HOLD request message recording hold calling state terminate;
After being replied by the subscriber equipment of HOLD, MSAN is according to the connection acknowledge message of the subscriber equipment from described initiation HOLD, to being sent service condition notification message by the subscriber equipment of HOLD.
A call method for call hold service, comprising:
By the subscriber equipment of HOLD under ringing-state, multimedia service access point MSAN receives HOLD request message, sends to the application server AS in IP Multimedia System IMS after this HOLD request message is mapped as to call notification message;
The described AS described call notification message that receives and terminate, recording hold calling state;
After being replied by the subscriber equipment of HOLD, described AS is according to the acknowledge message of the subscriber equipment from initiation HOLD, to being sent service condition notification message by the subscriber equipment of HOLD.
A kind of multimedia service access point, comprising:
Call processing unit, keep the subscriber equipment of HOLD under ringing-state for called, receive the HOLD request message from the subscriber equipment of initiation HOLD, described HOLD request message recording hold calling state terminate;
Notification unit, for after being replied by the subscriber equipment of HOLD, according to the connection acknowledge message of the subscriber equipment from described initiation HOLD, to being sent service condition notification message by the subscriber equipment of HOLD.
A kind of application server, comprising:
Receiving record unit, for keeping the subscriber equipment of HOLD under ringing-state in called, receive call notification message, this call notification message 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, for after being replied by the subscriber equipment of HOLD, according to the acknowledge message of the subscriber equipment from described initiation HOLD, to being sent service condition notification message by the subscriber equipment of HOLD.
A kind of communication system, comprising:
First user equipment, at the second subscriber equipment under ringing-state, send to call out and keep HOLD request message, call HOLD business, described first user equipment is the subscriber equipment of initiating HOLD, described the second subscriber equipment is by the subscriber equipment of HOLD;
Local multimedia service access point MSAN, for receiving described HOLD request message, described HOLD request message recording hold calling state terminate; After the second subscriber equipment is replied, according to the connection acknowledge message from first user equipment, the application server AS in IMS sends service condition notification message, and the described HOLD that described service condition notification message carries record calls state;
Described AS, for receiving described service condition notification message, sends to the second subscriber equipment by far-end MSAN by this service condition notification message.
A kind of communication system, comprising:
First user equipment, at the second subscriber equipment under ringing-state, send to call out and keep HOLD request message, call HOLD business, described first user equipment is the subscriber equipment of initiating HOLD, described the second subscriber equipment is by the subscriber equipment of HOLD;
Local multimedia service access point MSAN, for receiving described HOLD request message, sends to the application server AS in IMS after this HOLD request message is mapped as to call notification message;
Described AS, for receiving and terminate described call notification message recording hold calling state; After the second subscriber equipment is replied, according to the acknowledge message from first user equipment, send service condition notification message, and by far-end MSAN, this service condition notification message is sent to the 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 present invention provides, can work as by the subscriber equipment of HOLD when the ringing-state, realizes calling of call hold service in IMS system.
Brief description of the drawings
Fig. 1 is call hold service schematic flow sheet in prior art;
The call method schematic diagram of a kind of call hold service that Fig. 2 provides for the embodiment of the present invention one;
The call method schematic diagram of a kind of call hold service that Fig. 3 provides for the embodiment of the present invention two;
The multimedia service access point structures schematic diagram that Fig. 4 provides for the embodiment of the present invention three;
The application server structural representation that Fig. 5 provides for the embodiment of the present invention four;
The communication system schematic diagram that Fig. 6 provides for the embodiment of the present invention five.
Embodiment
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, below in conjunction with accompanying drawing, embodiments of the invention are described in detail, description is below only some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain other execution mode of the present invention according to these embodiment.
The technical scheme that the embodiment of the present invention provides is applicable to by the subscriber equipment of HOLD, under ringing-state, carry out the application scenarios of HOLD calling service in IMS system, for example, subscriber equipment A calling user device B, subscriber equipment B ring, in ringing condition.Do not have off-hook to reply before this calling at subscriber equipment B, subscriber equipment A calls HOLD business function; After subscriber equipment B off-hook is replied, called HOLD business due to before subscriber equipment A, therefore subscriber equipment B called maintains, in wait state (as temporarily listened to HOLD music).
The call method of a kind of call hold service that the embodiment of the present invention one provides, as shown in Figure 2, specifically comprises the steps:
Step T1, by the subscriber equipment of HOLD under ringing-state, the subscriber equipment of initiating HOLD sends to call out and keeps HOLD request message, calls 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 (under subscriber equipment A U4 state corresponding to DSS1 agreement) under ringing-state, subscriber equipment A sends HOLD request message, call HOLD business function, this HOLD request message is supported DSS1 agreement, and the DSS1 protocol call reference parameter CRX between subscriber equipment A and remote user equipment B can get CR1.
Step T2, MSAN receive HOLD request message, and described HOLD request message recording hold calling state terminate;
The technical scheme providing in the embodiment of the present invention is mainly based on IMS network, this MSAN is the access point that subscriber equipment accesses to 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 present invention adopts multimedia service access point (Multi-service AccessNode, MSAN) to realize the mapping between the signaling of support DSS1 agreement of user's side and the signaling of the support Session Initiation Protocol of network side.
Subscriber equipment A and remote user equipment B are respectively by the MSAN access IMS of local and far-end.
By the subscriber equipment of HOLD under ringing-state, MSAN receives after above-mentioned HOLD request message, no longer send to the functional entity in coupled IMS, but this HOLD request message that terminates, recording hold calling state, this HOLD calls state equipment for indicating user 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 to the MSAN of far-end connection (CONNECT) message of supporting DSS1 agreement;
Step T32, MSAN are 200OK message by this CONNECT message maps, send to the application server AS in IMS, and this 200OK message is sent to local MSAN by AS;
Step T33, local MSAN are mapped as CONNECT message by this 200OK message again and send to subscriber equipment A;
Step T34, subscriber equipment A receive the MSAN of the backward this locality of CONNECT message, send to connect to confirm (CONNECT ACK) message.
This connection acknowledge message is mapped as ACK message by step T35, local MSAN, is sent to remote user equipment.
Step T4, local MSAN are according to the connection acknowledge message of the subscriber equipment from initiation HOLD, and to being sent 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, in order to notify remote user equipment B to adopt HOLD service condition.It is to support the method for the service condition notification message of Session Initiation Protocol by the CONNECT ACK message maps of supporting DSS1 agreement that the embodiment of the present invention one provides following at least two kinds:
Method one: by CONNECT ACK message maps for re-inviting reINVITE message.
Wherein, require as follows to arranging of reINVITE message:
1, the user portion in RequestURI and To header field in this reINVITE message is filled out to the URI into remote user equipment;
2, in this reINVITE message, need to carry P-Service-Notification, ABNF format description is as follows:
P-Service-Notification＝＂P-Service-Notification＂
HCOLON notification
notification ＝＂remote hold＂
3, this reINVITE message need to be carried Session Description Protocol (SessionDescription Protocol, the SDP) signaling of Business Initiator's subscriber equipment A, and direction is set to sendonly.
A kind of example of the reINVITE message based on above-mentioned requirements is as follows:
INVITEsip：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: be renewal UPDATE message by CONNECT ACK message maps.
Wherein, require as follows to arranging of UPDATE:
1, in this UPDATE message, the user portion in Request URI and To header field is set to the URI of remote subscriber;
2, in this UPDATE message, need to carry P-Service-Notification, 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:
UPDATEsip：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 mapping relations:
Table 1
In CONNECT ACK message maps being service condition notification message by said method, local MSAN is also mapped as this connection acknowledge message confirmation (ACK) message, send to AS, ACK message is sent to far-end MSAN by AS, and far-end MASN is that CONNECT ACK message sends to remote user equipment B by ACK message maps.
Local MSAN is by service condition notification message (reINVITE message or UPDATE message), send to AS, AS receives after this service condition notification message, carries out HOLD business logical operation, for example, AS controls MRFC and plays HOLD music etc. to remote user equipment B.
AS sends to service condition notification message the MSAN of far-end, and the MSAN of far-end is mapped as notice (Notify) message by 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 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 present invention one provides, can be in IMS system, when during in ringing-state, being realized calling of call hold service by the subscriber equipment of HOLD.
The call method of a kind of call hold service that the embodiment of the present invention two provides, as shown in Figure 3, specifically comprises the steps:
Step W1, by the subscriber equipment of HOLD under ringing-state, the subscriber equipment of initiating HOLD sends to call out and keeps HOLD request message, calls 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 are respectively by the MSAN access IMS of local and far-end.
Step W2, local MSAN receive HOLD request message, send to the AS in IMS after this HOLD request message is mapped as to call notification message;
Local MSAN receives HOLD request message, sends to AS after this HOLD request message is mapped as to call notification message.
Above-mentioned call notification message comprises reINVITE message or UPDATE message, and the key message of these mapping relations can be as shown in Table 3:
Table 3
| Support DSS1 agreement | Support Session Initiation Protocol |
| HOLD request message-> | ReINVITE message/UPDATE message-> |
| P-Service-Notification：Remote hold |
Wherein, arranging with reference to the setting to reINVITE message or UPDATE message in the invention described above embodiment mono-reINVITE message or UPDATE message.
Different from the invention described above embodiment mono-, in the embodiment of the present invention two, the MSAN HOLD request message that do not terminate.
AS in step W3, the described IMS described call notification message that receives and terminate, 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 acknowledge message of the subscriber equipment from initiation HOLD, to being sent service condition notification message by the subscriber equipment of HOLD, the described HOLD that described service condition notification message carries record calls state.
Subscriber equipment A receives after the CONNECT message from remote user equipment B, sends CONNECT ACK message to local MSAN, and MASN is that ACK message sends to AS by this CONNECT ACK message maps.
AS receives after this ACK message, sends service condition notification message to far-end MSAN, this service condition notification message reINVITE message or UPDATE message.To arranging with reference to the setting to reINVITE message or UPDATE message in the invention described above embodiment mono-of this reINVITE message or UPDATE message.
Far-end MSAN is notice Notify message by 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.
In the embodiment of the present invention two, the concrete grammar of each step can be referring to the embodiment of the present invention one, and both are in main difference:
In the embodiment of the present invention one by MSAN termination HOLD request message, recording hold calling state; And in the embodiment of the present 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 present invention two provides, can work as by the subscriber equipment of HOLD when the ringing-state, realizes calling of call hold service in IMS system.
The embodiment of the present invention three provides a kind of multimedia service access point, as shown in Figure 4, comprising:
Call processing unit 41, for by the subscriber equipment of HOLD under ringing-state, receive from the HOLD request message of subscriber equipment of initiating HOLD, described HOLD request message recording hold calling state terminate;
Notification unit 42, for after being replied by the subscriber equipment of HOLD, according to the connection acknowledge message of the subscriber equipment from described initiation HOLD, to being sent service condition notification message by the subscriber equipment of HOLD, the described HOLD that described service condition notification message carries record calls state.
In the embodiment of the present invention three, the specific works method of each functional entity is referring to embodiment of the method for the present invention.From the above mentioned, the technical scheme that the embodiment of the present invention three provides, can be in IMS system, when during in ringing-state, being realized calling of call hold service by the subscriber equipment of HOLD.
The embodiment of the present invention four provides a kind of application server, as shown in Figure 5, comprising:
Receiving record unit 51, for keeping the subscriber equipment of HOLD under ringing-state in called, receive call notification message, this call notification message 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 52, for after being replied by the subscriber equipment of HOLD, according to the acknowledge message of the subscriber equipment from described initiation HOLD, to being sent service condition notification message by the subscriber equipment of HOLD, the described HOLD that described service condition notification message carries record calls state.
In present device embodiment, the specific works method of each functional entity is referring to embodiment of the method for the present invention.From the above mentioned, the technical scheme that the embodiment of the present invention four provides, can work as by the subscriber equipment of HOLD when the ringing-state, realizes calling of call hold service in IMS system.
As shown in Figure 6, the embodiment of the present invention five provides a kind of communication system, comprising:
First user equipment 61, at the second subscriber equipment under ringing-state, send to call out and keep HOLD request message, call HOLD business, described first user equipment is the subscriber equipment of initiating HOLD, described the second subscriber equipment is by the subscriber equipment of HOLD;
Local multimedia service access point MSAN62, for receiving described HOLD request message, described HOLD request message recording hold calling state terminate; After the second subscriber equipment is replied, according to the connection acknowledge message from first user equipment, the application server AS 63 in IMS sends service condition notification message, and the described HOLD that described service condition notification message carries record calls state;
Described AS63, for receiving described service condition notification message, sends to the second subscriber equipment 65 by far-end MSAN64 by this service condition notification message.
Another communication system that the embodiment of the present invention five provides, comprising:
First user equipment, at the second subscriber equipment under ringing-state, send to call out and keep HOLD request message, call HOLD business, described first user equipment is the subscriber equipment of initiating HOLD, described the second subscriber equipment is by the subscriber equipment of HOLD;
Local multimedia service access point MSAN, for receiving described HOLD request message, sends to the application server AS in IMS after this HOLD request message is mapped as to call notification message;
Described AS, for receiving and terminate described call notification message recording hold calling state; After the second subscriber equipment is replied, according to the acknowledge message from first user equipment, send service condition notification message, and by far-end MSAN, this service condition notification message is sent to the second subscriber equipment, the described HOLD that described service condition notification message carries record calls state.
In above-mentioned communication system, the specific works method of each functional entity is referring to embodiment of the method for the present invention.From the above mentioned, the technical scheme that the embodiment of the present invention five provides, can work as by the subscriber equipment of HOLD when the ringing-state, realizes calling of call hold service in IMS system.
One of ordinary skill in the art will appreciate that all or part of step realizing in above-described embodiment, can complete by program command related hardware.The software that described embodiment is corresponding can be stored in a computer and can store in the medium reading.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited to this, any be familiar with those skilled in the art the present invention disclose technical scope in; can expect easily changing or replacing, within all should being encompassed in 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 call method for call hold service, is characterized in that, comprising:
Keep the subscriber equipment of HOLD under ringing-state in called, multimedia service access point MSAN receives from the calling of the subscriber equipment of initiating HOLD and keeps HOLD request message, and described HOLD request message recording hold calling state terminate;
After being replied by the subscriber equipment of HOLD, described MSAN is according to the connection acknowledge message of the subscriber equipment from described initiation HOLD, to being sent 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 call method for call hold service, is characterized in that, comprising:
Keep the subscriber equipment of HOLD under ringing-state in called, multimedia service access point MSAN receives from the HOLD request message of subscriber equipment of initiating HOLD, sends to the application server AS in IP Multimedia System IMS after this HOLD request message is mapped as to call notification message;
The described AS described call notification message that receives and terminate, recording hold calling state;
After being replied by the subscriber equipment of HOLD, described AS is according to the acknowledge message of the subscriber equipment from initiation HOLD, and to being sent service condition notification message by the subscriber equipment of HOLD, the described HOLD that described service condition notification message carries record calls state;
Wherein, described AS, according to the acknowledge message of the subscriber equipment from initiation HOLD, to being sent service condition notification message by the subscriber equipment of HOLD, specifically comprises:
Described AS receives after described acknowledge message, sends service condition notification message to far-end MSAN, and described service condition notification message comprises and re-invites reINVITE message or upgrade UPDATE message;
Described far-end MSAN is notice Notify message by described reINVITE message or UPDATE message maps, sends to remote user equipment.
4. the call method of call hold service according to claim 3, 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.
5. a multimedia service access point, is characterized in that, comprising:
Call processing unit, for keeping the subscriber equipment of HOLD under ringing-state in called, receive the HOLD request message from the subscriber equipment of initiation HOLD, described HOLD request message recording hold calling state terminate;
Notification unit, for after being replied by the subscriber equipment of HOLD, according to the connection acknowledge message of the subscriber equipment from described initiation HOLD, to being sent 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. an application server, is characterized in that, comprising:
Receiving record unit, for keeping the subscriber equipment of HOLD under ringing-state in called, receive call notification message, this call notification message 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, for after being replied by the subscriber equipment of HOLD, according to the acknowledge message of the subscriber equipment from described initiation HOLD, to being sent service condition notification message by the subscriber equipment of HOLD, the described HOLD that described service condition notification message carries record calls state;
Wherein, described notification unit is for according to the acknowledge message of the subscriber equipment from described initiation HOLD, when being sent service condition notification message by the subscriber equipment of HOLD, specifically comprises:
Described notification unit receives after described acknowledge message, sends service condition notification message to far-end MSAN, and described service condition notification message comprises and re-invites reINVITE message or upgrade UPDATE message;
Described far-end MSAN is notice Notify message by described reINVITE message or UPDATE message maps, sends to remote user equipment.
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 communication system, is characterized in that, comprising:
First user equipment, at the second subscriber equipment under ringing-state, send to call out and keep HOLD request message, call HOLD business, described first user equipment is the subscriber equipment of initiating HOLD, described the second subscriber equipment is by the subscriber equipment of HOLD;
Local multimedia service access point MSAN, for receiving described HOLD request message, described HOLD request message recording hold calling state terminate; After the second subscriber equipment is replied, according to the connection acknowledge message from first user equipment, the application server AS in IMS sends service condition notification message, and the described HOLD that described service condition notification message carries record calls state;
Described AS, for receiving described service condition notification message, sends to the second subscriber equipment by far-end MSAN by this service condition notification message.
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. 1 kinds of communication systems, is characterized in that, comprising:
First user equipment, at the second subscriber equipment under ringing-state, send to call out and keep HOLD request message, call HOLD business, described first user equipment is the subscriber equipment of initiating HOLD, described the second subscriber equipment is by the subscriber equipment of HOLD;
Local multimedia service access point MSAN, for receiving described HOLD request message, sends to the application server AS in IMS after this HOLD request message is mapped as to call notification message;
Described AS, for receiving and terminate described call notification message recording hold calling state; After the second subscriber equipment is replied, according to the acknowledge message from first user equipment, send service condition notification message, and by far-end MSAN, this service condition notification message is sent to the second subscriber equipment, the described HOLD that described service condition notification message carries record calls state;
Wherein, described AS, according to the acknowledge message from first user equipment, sends service condition notification message, and while this service condition notification message being sent to the second subscriber equipment by far-end MSAN, specifically comprises:
Described AS, according to the acknowledge message of the subscriber equipment from initiation HOLD, to being sent service condition notification message by the subscriber equipment of HOLD, specifically comprises:
Described AS receives after described acknowledge message, sends service condition notification message to far-end MSAN, and described service condition notification message comprises and re-invites reINVITE message or upgrade UPDATE message;
Described far-end MSAN is notice Notify message by described reINVITE message or UPDATE message maps, sends to remote user equipment.
12. communication systems 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 CN101686441A (en) | 2010-03-31 |
| CN101686441B true CN101686441B (en) | 2014-11-19 |
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| 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 |
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| 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 |
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