CN105812596B - Caller ID display method, relevant apparatus and system in a kind of IMS network - Google Patents
Caller ID display method, relevant apparatus and system in a kind of IMS network Download PDFInfo
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- CN105812596B CN105812596B CN201410852565.2A CN201410852565A CN105812596B CN 105812596 B CN105812596 B CN 105812596B CN 201410852565 A CN201410852565 A CN 201410852565A CN 105812596 B CN105812596 B CN 105812596B
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Abstract
The embodiment of the invention discloses a kind of caller ID display method, relevant apparatus and systems, this method comprises: network side carries out caller ID display using the function of From header field information and P-Asserted-Identity header field information in INVITE request, so that showing the calling number after change on called terminal.The scheme according to embodiments of the present invention can show expected calling number in called user terminal when call is established, so as to improve user experience.
Description
Technical field
The present invention relates to caller ID display methods, relevant apparatus in mobile communication field more particularly to a kind of IMS network
And system.
Background technique
With the progress of the development especially IMS technology of communication, the development of multiple business has been driven.It can be under IMS network
The intelligent network business of diversified forms, such as group's V network service, family's V network service, one number service are provided.
The business great convenience such as V net, one number service user, but also bring caller ID display problem.It is dialing
When phone, display of calling number is a widely applied business in called mobile phone terminal.But all kinds of intelligent network business draw
Membership brings calling number and the inconsistent problem of actual displayed number, such as dials short aobvious length, dials and long show short (group's V net, family V
Net), display the scenes such as number and calling number inconsistent (one number service).
Specifically, in existing caller ID display strategy, when calling terminal dialing called terminal, UE1 is to caller
Domain SBC/P-CSCF sends INVITE request, includes From header field and an optional P-Preferred-Identity header field
Identity user identity.
SBC/P-CSCF receives INVITE request, after P-CSCF confirms that the request comes from an effective IPsec SA,
P-Asserted-Identity header field is added in INVITE request, if including P-Preferred- in INVITE request
Identity header field, then it can be replaced by P-Asserted-Identity header field.And INVITE request is sent to caller domain S-
CSCF。
Caller domain S-CSCF by INVITE request route to it is called survey I-CSCF, I-CSCF by INVITE request route to by
It is domain S-CSCF, after called domain S-CSCF receives INVITE request, according to carrying out industry in initial filter criteria iFC to corresponding AS
Business triggering, after AS returns to INVITE request, S-CSCF routes it to SBC/P-CSCF.
After the SBC/P-CSCF of called terminal receives INVITE request, the Privacy header field in request is judged, if
Privacy is not provided to " id ", then P-Asserted-Identity header field is sent to called terminal by INVITE request.
So far, called terminal has received P-Asserted-Identity header field, and is carried out using the information in the header field
Caller ID display.
In IMS session, P-Asserted-Identity header field be it is unique, to contain the user registered and recognized
The mark of the public user identity of card.P-Asserted-Identity header field can be used for routing, business triggering, meter in network
Take and number is shown.
Existing caller ID display strategy, called terminal according to INVITE request in P-Asserted-Identity head
The dialing user identity mark that domain carries.However P-Asserted-Identity header field carry be calling subscriber core net
Side User Identity faces some particular services, when such as intelligent network business (group's V net, family's V net) and one number service,
Terminal can not obtain desired operation layer number display information from P-Asserted-Identity header field.
Such as: user A, B have contracted group's V network service, respectively obtain V and net internal cornet A1, A2.When user A dials use
When the B of family, it can choose and directly dial its cornet B1, or dial its complete cell-phone number B.When user A dials the cornet B1 of user B
When, it is intended that the cornet A1 of user A is shown on user's B mobile phone rather than all number A.At this time due to called domain SBC/P-CSCF push
To in the INVITE message of called B, carried in P-Asserted-Identity header field be user A register when user identity
Mark, according to the prior art, in called subscriber's B terminal can display of calling normal handset number, rather than its internal cornet.
Again for example: user C has contracted one number service, and home number C1, office telephone C2 are associated with cell-phone number C
On.When user C at work between dial the phone of user D with office telephone C2 when, should show incoming number on the mobile phone of user D
For C rather than C2.According to the prior art, it can show that incoming number is C2 in called subscriber's D terminal, rather than its one number service number C.
It is to need to solve as can be seen that how when call is established to show expected calling number in called user terminal
The problem of.
Summary of the invention
In view of this, the embodiment of the present invention provides to solve existing technical problem:
A kind of caller ID display method in IMS network, comprising:
Application server AS obtains call request, do not include in the From header field of the call request caller ID display more
Change identification field；
According to user's signing service type, determines and need to change in the calling number shown on called terminal, in From
Header field increases caller ID display and changes identification field, and modified call request is handed down to called domain Session Border Controller
SBC；
Called domain SBC carries out caller ID display according to From header field.
It is described to increase caller ID display change identification field in From header field in one specific embodiment, it will be modified
Call request is handed down to called domain SBC, specifically includes:
Field information in the From header field of the call request is changed to the master for it is expected to show on called terminal by AS
It calls out the numbers code, and adds caller ID display in the From header field and change identification field, modified call request is passed through
Called domain service call conversation control function S-CSCF is issued to called domain SBC；
Correspondingly, called domain SBC carries out caller ID display according to From header field, comprising:
The called domain SBC judges to change identifier word comprising caller ID display in the From header field of received call request
The trusted entity that dialing number information in From header field copies to the call request is identified P-Asserted- by Duan Shi
In Identity header field, it is handed down to called terminal, so that the called terminal is according to the P-Asserted-Identity header field
In information carry out caller ID display.
In one specific embodiment, before the AS obtains call request, this method further include:
Caller domain SBC receives the call request from calling terminal, judge in the From header field of the call request whether
Identification field is changed comprising the caller ID display；
When in the From header field of the call request including caller ID display change identification field, exhaled described
It makes the caller ID display in the From header field of request change identification field to delete；
The modified call request is sent to AS.
It is described that caller ID display is carried out according to From header field in one specific embodiment, further includes:
The called domain SBC judges not including caller ID display change mark in the From header field of received call request
When field, then P-Asserted-Identity header field is not modified, is handed down to called terminal.
The embodiment of the present invention also provides a kind of caller domain SBC, including the first call request obtains module, first judges mould
Block, first processing module and the first sending module；Wherein,
First call request obtains module, for receiving the call request from calling terminal；
Whether the first judgment module includes the calling number in the From header field for judging the call request
Display change identification field；
The first processing module, for when the call request From header field in comprising the caller ID display more
When changing identification field, the caller ID display change identification field in the From header field of the call request is deleted；
First sending module, call request that treated for sending first processing module.
The embodiment of the present invention also provides a kind of AS, comprising: the second call request obtains module, the second judgment module, second
Processing module and the second sending module；Wherein,
Second call request obtains module, for obtaining call request, in the From header field of the call request not
Identification field is changed including caller ID display；
Second judgment module, for judging whether to need to change in called terminal according to user's signing service type
The calling number of upper display；
The Second processing module, for when determine need change shown on called terminal calling number when,
From header field increases caller ID display and changes identification field；
Second sending module, call request that treated for sending Second processing module.
In one specific embodiment,
The Second processing module is scheduled to last specifically for the field information change in the From header field by the call request
It hopes the calling number shown on called terminal, and adds caller ID display in the From header field and change identification field；
Second sending module is specifically used for passing through Second processing module treated call request into called domain service
Call session control function S-CSCF is issued to called domain Session Border Controller SBC.
The embodiment of the present invention also provides a kind of called domain SBC, comprising: third call request obtains module, third judges mould
Block, third processing module and third sending module；Wherein,
The third call request obtains module, for receiving the call request from AS；
The third judgment module, it is whether aobvious comprising calling number in the From header field for judging received call request
Show change identification field；
The third processing module, for including caller ID display in the From header field for determining received call request
When changing identification field, the trusted entity that the dialing number information in From header field copies to the call request is identified into P-
In Asserted-Identity header field；
The third sending module, for by third processing module, treated that call request is handed down to called terminal, with
Toilet states called terminal and carries out caller ID display according to the information in the P-Asserted-Identity header field.
The embodiment of the present invention also provides caller ID display system in a kind of IMS network, and the system comprises caller domains
SBC, AS and called domain SBC, wherein
The caller domain SBC is the upper caller domain SBC；
The AS is the upper AS；
The called domain SBC is above-mentioned called domain SBC.
The embodiment of the present invention also provides a kind of caller ID display method in IMS network, comprising:
AS obtains user's call request, and the field information in the call request in From header field has been replaced by P-
Field information in Asserted-Identity header field；
According to user's signing service type, determines and need to change in the calling number shown on called terminal, it will be described
From header field described in call request is changed to the calling number for it is expected to show on called terminal, by modified call request
It is handed down to called SBC；
Called SBC carries out caller ID display according to From header field.
In one specific embodiment, modified call request is handed down to called SBC by the AS, is specifically included:
The call request is issued to called domain SBC by called domain S-CSCF by AS；
Correspondingly, the called SBC carries out caller ID display according to From header field, comprising:
The called domain SBC replaces the field information in the call request in P-Asserted-Identity header field
For the field information in From header field, it is handed down to called terminal, so that the called terminal is according to the P-Asserted-
Information in Identity header field carries out caller ID display.
In one specific embodiment, before the AS obtains user's call request, this method further include:
Caller domain SBC receives the call request from calling terminal, by the field in the call request in From header field
Information replaces with the field information in P-Asserted-Identity header field；
The modified call request is sent to AS.
The embodiment of the present invention also provides a kind of AS, comprising: the 4th calling request module, the 4th judgment module, the 4th
Processing module and the 4th sending module；Wherein,
The 4th calling request module, for obtaining user's call request, From header field in the call request
In field information be replaced by the field information in P-Asserted-Identity header field；
4th judgment module, for judging whether to need to change in called terminal according to user's signing service type
The calling number of upper display；
The fourth processing module, for determining needs change in the calling number shown on called terminal, by institute
It states From header field described in call request and is changed to the calling number for it is expected to show on called terminal；
4th sending module, for the modified call request to be handed down to called SBC.
The embodiment of the present invention also provides a kind of caller domain SBC, comprising: the 5th call request obtains module, the 5th processing mould
Block and the 5th sending module；Wherein,
5th call request obtains module, for receiving the call request from calling terminal；
5th processing module, for the field information in the call request in From header field to be replaced with P-
Field information in Asserted-Identity header field；
5th sending module, for the modified call request to be sent to AS.
The embodiment of the present invention also provides a kind of called domain SBC, comprising: the 6th call request obtains module, the 6th processing mould
Block and the 6th sending module；Wherein,
6th call request obtains module, for receiving the call request from AS；,
6th processing module, for by the field in the call request in P-Asserted-Identity header field
Information replaces with the field information in From header field；
6th sending module, for treated that call request is handed down to called terminal by described, so as to the quilt
Terminal is made to carry out caller ID display according to the information in the P-Asserted-Identity header field.
The embodiment of the present invention also provides caller ID display system in a kind of IMS network, including caller domain SBC, AS and by
It is domain SBC, wherein
The caller domain SBC is above-mentioned caller domain SBC；
The AS is above-mentioned AS；
The called domain SBC is above-mentioned called domain SBC.
Caller ID display method, relevant apparatus and system in IMS network described in the embodiment of the present invention, network side utilize
It is aobvious that the function of From header field information and P-Asserted-Identity header field information in INVITE request carries out calling number
Show, so that showing the calling number after change on called terminal.The scheme according to embodiments of the present invention, can converse
Expected calling number is shown in called user terminal when establishing, so as to improve user experience.
Detailed description of the invention
Fig. 1 is caller ID display method flow schematic diagram in a kind of IMS network of the embodiment of the present invention；
Fig. 2 is a kind of caller domain SBC structural schematic diagram of the embodiment of the present invention；
Fig. 3 is a kind of AS structural schematic diagram of the embodiment of the present invention；
Fig. 4 is a kind of called domain SBC structural schematic diagram of the embodiment of the present invention；
Fig. 5 is caller ID display method flow schematic diagram in a kind of IMS network of the embodiment of the present invention；
Fig. 6 is a kind of AS structural schematic diagram of the embodiment of the present invention；
Fig. 7 is a kind of caller domain SBC structural schematic diagram of the embodiment of the present invention；
Fig. 8 is a kind of called domain SBC structural schematic diagram of the embodiment of the present invention；
Fig. 9 is the system framework schematic diagram of the embodiment of the present invention 1.
Specific embodiment
Of the existing technology in order to solve the problems, such as, the embodiment of the present invention provides caller ID display in a kind of IMS network
Method, as shown in Figure 1, this method comprises:
Step 101:AS obtains call request, does not include caller ID display change in the From header field of the call request
Identification field；
Step 102: according to user's signing service type, determining and need to change the calling number shown on called terminal
When, increase caller ID display in From header field and change identification field, modified call request is handed down to called domain session
Boarder controller SBC.
Step 103: called domain SBC carries out caller ID display according to From header field.
Here, the calling number after change can be V and net internal cornet, one number service number etc., and not calling subscriber registers
And the public user identity mark authenticated.
In one embodiment, increase caller ID display in From header field and change identification field, exhaled modified
It makes request be handed down to called domain SBC, specifically includes:
Field information in the From header field of the call request is changed to the master for it is expected to show on called terminal by AS
It calls out the numbers code, and adds caller ID display in the From header field and change identification field, modified call request is passed through
Called domain service call conversation control function S-CSCF is issued to called domain SBC；
Correspondingly, called domain SBC carries out caller ID display according to From header field, comprising:
The called domain SBC judges to change identifier word comprising caller ID display in the From header field of received call request
The trusted entity that dialing number information in From header field copies to the call request is identified P-Asserted- by Duan Shi
In Identity header field, it is handed down to called terminal, so that the called terminal is according to the P-Asserted-Identity header field
In information carry out caller ID display.
It should be noted that carrying out caller ID display according to From header field, further includes: the called domain SBC judgement connects
When not including caller ID display change identification field in the From header field of the call request of receipts, then P-Asserted- is not modified
Identity header field, is handed down to called terminal.
In one specific embodiment, before the AS obtains call request, this method further include:
Caller domain SBC receives the call request from calling terminal, judge in the From header field of the call request whether
Identification field is changed comprising the caller ID display；
When in the From header field of the call request including caller ID display change identification field, exhaled described
It makes the caller ID display in the From header field of request change identification field to delete；
The modified call request is sent to AS.
The embodiment of the present invention also proposed a kind of caller domain SBC, as shown in Fig. 2, the caller domain SBC includes that the first calling is asked
It asks and obtains module 201, first judgment module 202, first processing module 203 and the first sending module 204；Wherein,
First call request obtains module 201, for receiving the call request from calling terminal；
Whether the first judgment module 202 includes the caller in the From header field for judging the call request
Number display change identification field；
The first processing module 203, for when aobvious comprising the calling number in the From header field of the call request
When showing change identification field, the caller ID display change identification field in the From header field of the call request is deleted；
First sending module 204, call request that treated for sending first processing module.
The embodiment of the present invention also proposed a kind of AS, as shown in figure 3, the AS includes: that the second call request obtains module
301, the second judgment module 302, Second processing module 303 and the second sending module 304；Wherein,
Second call request obtains module 301, for obtaining call request, in the From header field of the call request
It does not include caller ID display change identification field；
Second judgment module 302 needs to change called whole for judging whether according to user's signing service type
The calling number shown on end；
The Second processing module 303, for when determine need change shown on called terminal calling number when,
From header field increases caller ID display and changes identification field；
Second sending module 304, call request that treated for sending Second processing module 303.
In one specific embodiment,
The Second processing module 303 is changed specifically for the field information in the From header field by the call request
It is expected the calling number shown on called terminal, and caller ID display is added in the From header field and changes identifier word
Section；
Second sending module 304 is specifically used for passing through treated the call request of Second processing module 303 called
Domain service call conversation control function S-CSCF is issued to called domain Session Border Controller SBC.
The embodiment of the present invention also proposed a kind of called domain SBC, as shown in figure 4, the called domain SBC includes: third calling
Request module 401, third judgment module 402, third processing module 403 and third sending module 404；Wherein,
The third call request obtains module 401, for receiving the call request from AS；
Whether the third judgment module 402 includes caller number in the From header field for judging received call request
Code display change identification field；
The third processing module 403, for including calling number in the From header field for determining received call request
When display change identification field, the dialing number information in From header field is copied to the trusted entity mark of the call request
Know in P-Asserted-Identity header field；
The third sending module 404, for by third processing module 403 treated call request is handed down to it is called eventually
End, so that the called terminal carries out caller ID display according to the information in the P-Asserted-Identity header field.
The embodiment of the present invention also proposed caller ID display system in a kind of IMS network, and the system comprises caller domains
SBC, AS and called domain SBC, wherein
The caller domain SBC is above-mentioned caller domain SBC shown in Fig. 2；
The AS is above-mentioned AS shown in Fig. 3；
The called domain SBC is above-mentioned called domain SBC shown in Fig. 4.
The embodiment of the present invention also proposed a kind of caller ID display method in IMS network, as shown in figure 5, this method packet
It includes:
Step 501:AS obtains user's call request, and the field information in the call request in From header field has been replaced
For the field information in P-Asserted-Identity header field；
Step 502: according to user's signing service type, determining and need to change the calling number shown on called terminal
When, From header field described in the call request is changed to the calling number for it is expected to show on called terminal, after modification
Call request be handed down to called SBC；
Step 503: called SBC carries out caller ID display according to From header field.
In one specific embodiment, modified call request is handed down to called SBC by the AS, is specifically included:
The call request is issued to called domain SBC by called domain S-CSCF by AS；
Correspondingly, the called SBC carries out caller ID display according to From header field, comprising:
The called domain SBC replaces the field information in the call request in P-Asserted-Identity header field
For the field information in From header field, it is handed down to called terminal, so that the called terminal is according to the P-Asserted-
Information in Identity header field carries out caller ID display.
In one specific embodiment, before the AS obtains user's call request, this method further include:
Caller domain SBC receives the call request from calling terminal, by the field in the call request in From header field
Information replaces with the field information in P-Asserted-Identity header field；
The modified call request is sent to AS.
The embodiment of the present invention also proposed a kind of AS, as shown in fig. 6, the AS includes: the 4th calling request module
601, the 4th judgment module 602, fourth processing module 603 and the 4th sending module 604；Wherein,
The 4th calling request module 601, for obtaining user's call request, From head in the call request
Field information in domain has been replaced by the field information in P-Asserted-Identity header field；
4th judgment module 602 needs to change called whole for judging whether according to user's signing service type
The calling number shown on end；
The fourth processing module 603, for determining that needs change, will in the calling number shown on called terminal
From header field described in the call request is changed to the calling number for it is expected to show on called terminal；
4th sending module 604, for the modified call request to be handed down to called SBC.
The embodiment of the present invention also proposed a kind of caller domain SBC, as shown in fig. 7, caller domain SBC includes: the 5th calling
Request module 701, the 5th processing module 702 and the 5th sending module 703；Wherein,
5th call request obtains module 701, for receiving the call request from calling terminal；
5th processing module 702, for the field information in the call request in From header field to be replaced with P-
Field information in Asserted-Identity header field；
5th sending module 703, for the modified call request to be sent to AS.
The embodiment of the present invention also proposed a kind of called domain SBC, as shown in figure 8, the called domain SBC includes: the 6th calling
Request module 801, the 6th processing module 802 and the 6th sending module 803；Wherein,
6th call request obtains module 801, for receiving the call request from AS；,
6th processing module 802, for by the word in the call request in P-Asserted-Identity header field
Segment information replaces with the field information in From header field；
6th sending module 803, for treated that call request is handed down to called terminal by described, so as to described
Called terminal carries out caller ID display according to the information in the P-Asserted-Identity header field.
The embodiment of the present invention also proposed caller ID display system in a kind of IMS network, and the system comprises caller domains
SBC, AS and called domain SBC, wherein
The caller domain SBC is above-mentioned caller domain SBC shown in Fig. 7；
The AS is above-mentioned AS shown in fig. 6；
The called domain SBC is above-mentioned called domain SBC shown in Fig. 8.
It should be noted that the embodiment of the present invention utilizes From header field information and P- in INVITE request
The function of Asserted-Identity header field information carries out caller ID display, removes From head when specifically, can enter AS
The network-provided field for including in domain can increase network-provided word in From header field when coming out from AS
Section carries out caller ID display according to From header field；From header field can also be changed when entering IMS net, and in IMS network out
When with From header field substitute PAI header field.
Technical solution of the present invention is described in further detail below by specific embodiment.
Embodiment 1
Fig. 9 show the system framework schematic diagram of the embodiment of the present invention 1, with reference to Fig. 9, calling number described in the present embodiment
Display methods includes:
1, caller domain SBC equipment judges the From header field in INVITE request that calling terminal sends, if in From header field
Comprising network-provided field, then network-provided field is deleted；
2, after the INVITE that AS receives S-CSCF is requested, according to user's UE signing service, judge whether to update From header field.
From header field is changed to expectation on called terminal by the business for having particular/special requirement to caller ID display if user has contracted
The operation layer calling number of display, and network-provided field is added, it is handed down to S-CSCF；
3, domain SBC is called after receiving the INVITE request from called domain S-CSCF, judges whether wrap in From header field
Field containing network-provided: if comprising network-provided field, the information in From header field is copied to
In P-Asserted-Identity header field, it to be used for caller ID display；If not including network-provided field, no
P-Asserted-Identity header field is altered, called terminal, user's caller ID display are directly handed down to.
Embodiment 2
The system framework of the present embodiment refers to Fig. 9, and caller ID display method described in the present embodiment includes:
1, after caller domain SBC receives the request of the INVITE from calling terminal, P-Asserted-Identity header field is added
While, the field information in From header field is replaced with into the field information in P-Asserted-Identity header field, makes winner
In the INVITE request for making SBC issue, From header field includes that content is identical with P-Asserted-Identity header field；
2, after the INVITE that AS receives S-CSCF is requested, according to user's signing service type, judge whether to update From head
Domain: From header field is changed to expectation called whole by the business for having particular/special requirement to caller ID display if user has contracted
The operation layer calling number shown on end, is handed down to S-CSCF；Otherwise From header field is not modified；
3, domain SBC is called after receiving the INVITE request from called domain S-CSCF, by P-Asserted-Identity
Field information in header field replaces all with the field information in From header field, is handed down to called terminal, and user's calling number is aobvious
Show.
As can be seen that realize under different business scene, called terminal can correct display of calling number, implement
Example 1 and embodiment 2 need to improve caller domain SBC, AS in IMS network and called domain SBC.By in caller domain SBC, AS and
To the design of From header field and P-Asserted-Identity header field in INVITE request on called domain SBC, realize in difference
Under business scenario, desired operation layer calling number can be correctly shown in called terminal equipment.
Above-mentioned each unit can by electronic equipment central processing unit (Central Processing Unit, CPU),
Digital signal processor (Digital Signal Processor, DSP) or programmable logic array (Field-
Programmable Gate Array, FPGA) it realizes.
It should be understood by those skilled in the art that, the embodiment of the present invention can provide as method, system or computer program
Product.Therefore, the shape of hardware embodiment, software implementation or embodiment combining software and hardware aspects can be used in the present invention
Formula.Moreover, the present invention, which can be used, can use storage in the computer that one or more wherein includes computer usable program code
The form for the computer program product implemented on medium (including but not limited to magnetic disk storage and optical memory etc.).
The present invention be referring to according to the method for the embodiment of the present invention, the process of equipment (system) and computer program product
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real
The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the scope of the present invention.
Claims (16)
1. a kind of caller ID display method in IMS network, which is characterized in that this method comprises:
Application server AS obtains call request, does not include caller ID display change mark in the From header field of the call request
Character learning section；
According to user's signing service type, determines and need to change in the calling number shown on called terminal, by the calling
Field information in the From header field of request is changed to the calling number for it is expected to show on called terminal, increases in From header field
Identification field is changed in caller ID display, and modified call request is handed down to called domain Session Border Controller SBC；
Called domain SBC carries out caller ID display according to From header field.
2. the method according to claim 1, wherein described be handed down to called domain for modified call request
SBC is specifically included:
Modified call request is issued to called domain SBC by called domain service call conversation control function S-CSCF by AS；
Correspondingly, called domain SBC carries out caller ID display according to From header field, comprising:
The called domain SBC judges to change identification field comprising caller ID display in the From header field of received call request
When, the trusted entity that the dialing number information in From header field copies to the call request is identified into P-Asserted-
In Identity header field, it is handed down to called terminal, so that the called terminal is according to the P-Asserted-Identity header field
In information carry out caller ID display.
3. method according to claim 1 or 2, which is characterized in that before the AS obtains call request, this method is also wrapped
It includes:
Caller domain SBC receives the call request from calling terminal, judge in the From header field of the call request whether include
Identification field is changed in the caller ID display；
When in the From header field of the call request including caller ID display change identification field, the calling is asked
Caller ID display change identification field in the From header field asked is deleted；
The modified call request is sent to AS.
4. according to the method described in claim 2, it is characterized in that, described carry out caller ID display according to From header field, also
Include:
The called domain SBC judges that not including caller ID display in the From header field of received call request changes identification field
When, then P-Asserted-Identity header field is not modified, is handed down to called terminal.
5. a kind of caller domain SBC, which is characterized in that the caller domain SBC judges mould including the first call request acquisition module, first
Block, first processing module and the first sending module；Wherein,
First call request obtains module, for receiving the call request from calling terminal；
Whether the first judgment module is changed comprising caller ID display in the From header field for judging the call request
Identification field；
The first processing module, for when the call request From header field in comprising the caller ID display change mark
When section of becoming literate, the caller ID display change identification field in the From header field of the call request is deleted；
First sending module, call request that treated for sending first processing module.
6. a kind of AS, which is characterized in that the AS includes: that the second call request obtains module, the second judgment module, second processing mould
Block and the second sending module；Wherein,
Second call request obtains module for obtaining call request
Identification field is changed in caller ID display；
Second judgment module is shown on called terminal for according to user's signing service type, judging whether to need to change
The calling number shown；
The Second processing module, for being exhaled described when determining the calling number for needing change to show on called terminal
It makes the field information in the From header field of request be changed to the calling number for it is expected to show on called terminal, increases in From header field
Caller ID display is added to change identification field；
Second sending module, call request that treated for sending Second processing module.
7. AS according to claim 6, which is characterized in that
Second sending module is specifically used for passing through Second processing module treated call request into called domain service call
Conversation control function S-CSCF is issued to called domain Session Border Controller SBC.
8. a kind of called domain SBC, which is characterized in that the called domain SBC includes: that third call request obtains module, third judgement
Module, third processing module and third sending module；Wherein,
The third call request obtains module, for receiving the call request from AS；
The third judgment module, in the From header field for judging received call request whether comprising caller ID display more
Change identification field；
The third processing module, for including that caller ID display is changed in the From header field for determining received call request
When identification field, the trusted entity that the dialing number information in From header field copies to the call request is identified into P-
In Asserted-Identity header field；
The third sending module, for treated that call request is handed down to called terminal by third processing module, with toilet
It states called terminal and caller ID display is carried out according to the information in the P-Asserted-Identity header field.
9. caller ID display system in a kind of IMS network, the system comprises caller domain SBC, AS and called domain SBC, wherein
The caller domain SBC is caller domain SBC described in claim 5；
The AS is AS described in claim 6 or 7；
The called domain SBC is called domain SBC according to any one of claims 8.
10. a kind of caller ID display method in IMS network, which is characterized in that this method comprises:
AS obtains user's call request, and the field information in the call request in From header field has been replaced by P-
Field information in Asserted-Identity header field；
According to user's signing service type, determines and need to change in the calling number shown on called terminal, by the calling
From header field described in request is changed to the calling number for it is expected to show on called terminal, and modified call request is passed through
Called domain S-CSCF is handed down to called domain SBC；
Called domain SBC carries out caller ID display according to From header field.
11. according to the method described in claim 10, it is characterized in that, the called domain SBC carries out caller according to From header field
Number is shown, comprising:
The called domain SBC replaces with the field information in the call request in P-Asserted-Identity header field
Field information in From header field, is handed down to called terminal, so that the called terminal is according to the P-Asserted-
Information in Identity header field carries out caller ID display.
12. method described in 0 or 11 according to claim 1, which is characterized in that, should before the AS obtains user's call request
Method further include:
Caller domain SBC receives the call request from calling terminal, by the field information in the call request in From header field
Replace with the field information in P-Asserted-Identity header field；
The modified call request is sent to AS.
13. a kind of AS, which is characterized in that the AS includes: the 4th calling request module, the 4th judgment module, fourth process
Module and the 4th sending module；Wherein,
The 4th calling request module, for obtaining user's call request, in the call request in From header field
Field information has been replaced by the field information in P-Asserted-Identity header field；
4th judgment module is shown on called terminal for according to user's signing service type, judging whether to need to change
The calling number shown；
The fourth processing module is exhaled for needing to change in the calling number shown on called terminal determining by described
From header field described in request is made to be changed to the calling number for it is expected to show on called terminal；
4th sending module, for modified call request to be handed down to called domain SBC by called domain S-CSCF.
14. a kind of caller domain SBC, which is characterized in that caller domain SBC includes: that the 5th call request obtains module, the 5th processing
Module and the 5th sending module；Wherein,
5th call request obtains module, for receiving the call request from calling terminal；
5th processing module, for the field information in the call request in From header field to be replaced with P-
Field information in Asserted-Identity header field；
5th sending module, for modified call request to be sent to AS.
15. a kind of called domain SBC, which is characterized in that the called domain SBC includes: that the 6th call request obtains module, the 6th processing
Module and the 6th sending module；Wherein,
6th call request obtains module, for receiving the call request from AS；
6th processing module, for by the field information in the call request in P-Asserted-Identity header field
Replace with the field information in From header field；
6th sending module, for will treated that call request is handed down to called terminal, so as to the called terminal root
Caller ID display is carried out according to the information in the P-Asserted-Identity header field.
16. caller ID display system in a kind of IMS network, which is characterized in that the system comprises caller domain SBC, AS and by
It is domain SBC, wherein
The caller domain SBC is caller domain SBC described in claim 14；
The AS is AS described in claim 13；
The called domain SBC is called domain SBC described in claim 15.
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