CN104661203B - A kind of method of calling and equipment - Google Patents
A kind of method of calling and equipment Download PDFInfo
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- CN104661203B CN104661203B CN201510058566.4A CN201510058566A CN104661203B CN 104661203 B CN104661203 B CN 104661203B CN 201510058566 A CN201510058566 A CN 201510058566A CN 104661203 B CN104661203 B CN 104661203B
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Abstract
The present invention provides a kind of method of calling and equipment, to derive the user identifier generated for calling by the international mobile equipment mark in user equipment, it realizes in no user smart card for supporting IP Multimedia Services Identity module applications, also without general signatory mark module in the case of, can also pass through the international mobile equipment in user equipment mark generate user identifier initiate calling.The method includes：It is read from user equipment and obtains international mobile equipment mark；By international mobile equipment mark as the user name in the user identifier for calling；Using preset for positioning the domain name of the user equipment and the user name, the user identifier for calling is generated；The call request with the user identifier is sent to core net.
Description
Technical field
The present invention relates to field of communication technology more particularly to a kind of method of calling and equipment.
Background technology
IP multimedia subsystem (IP Multimedia Subsystem, IMS) technology is considered as the core of next generation network
Heart technology, and solve the best mode of mobile network and fixed telephone network fusion.Therefore, it in addition to user to be supported it is normal
Registration and calling it is outer, it must also have the ability of urgent call.
First in IMS is built the stage, supports IP Multimedia Services Identities module (IP Multimedia Service
Identity Module, ISIM) user smart card of application do not popularize, and therefore, user can not be by storing in ISIM
The dedicated user data of IMS initiates the calling of access network, wherein the dedicated user data of IMS include public user identity with
Private user identity etc..In the case of no user smart card for supporting IP Multimedia Services Identity module applications, can also it lead to
Cross (Universal Subscriber Identity Module, USIM) general signatory mark mould international mobile subscriber in the block
Identification code (International Mobile Subscriber Identification Number, IMSI) carries out deriving structure
It makes User Identity and carries out IMS callings.But still be not present there are usim card or usim card failure, to carry out
IMS is called.Therefore, when emergency occurs in the case, although user can also still be identified by international mobile equipment
(International Mobile Station Equipment Identity, IMEI) carries out emergency attached to point of full IP
In group core net (Evolved Packet Core, EPC), but still urgent call can not be carried out to IMS network, also just do not had
IMS business can use.
In conclusion in no user smart card for supporting IP Multimedia Services Identity module applications, also without general label
About in the case of mark module, user equipment in the prior art can not initiate to call, and there is no available caller at this stage
Method.
Invention content
An embodiment of the present invention provides a kind of method of calling and equipment, to pass through the international mobile equipment in user equipment
Mark derives the user identifier generated for calling, realizes in no user for supporting IP Multimedia Services Identity module applications
Smart card, also without general signatory mark module in the case of, can also be identified by the international mobile equipment in user equipment
Initiate calling.
A kind of method of calling provided in an embodiment of the present invention, this method include：
According to the international mobile equipment mark read from user equipment, determine in the user identifier for calling
User name；
Using preset for positioning the domain name of the user equipment and the user name, the user for calling is generated
Mark；
The call request with the user identifier is sent to core net.
The use generated for calling is derived by the international mobile equipment mark in user equipment in this way, realizing
Family identifies, and realizes in no user smart card for supporting IP Multimedia Services Identity module applications, is also marked without general signing
In the case of knowing module, it can also be identified by the international mobile equipment in user equipment and initiate calling.
Preferably, the international mobile equipment mark that the basis is read from user equipment, determines for calling
User name in user identifier, including：
It is read from user equipment and obtains international mobile equipment mark；
By international mobile equipment mark as the user name in the user identifier for calling.
Preferably, the preset domain name for positioning the user equipment includes：Type for determining user equipment
Number first identifier and create-rule for determining user identifier second identifier, wherein the first identifier is from complete
Extraction obtains in ball mobile device mark.
It is identified according to the international mobile equipment, it is determined that the user name in user identifier and domain name, realizing is not having
Support IP Multimedia Services Identity module applications user smart card, also without general signatory mark module in the case of, also may be used
To initiate calling by the international mobile equipment mark in user equipment；And determine that the generation of user identifier is advised by second identifier
Then, first identifier determines the model of user equipment and by the user name in user identifier, determines the user identity of user equipment,
Calling is initiated by the international mobile equipment mark in user equipment to realize；It can also be used for determining by second identifier and be somebody's turn to do
Whether call request is emergency call request.
A kind of method of calling provided in an embodiment of the present invention, this method include：
Receive the call request with user identifier that user equipment is sent, wherein the user identifier is according to the whole world
Mobile device mark determination；
According to the user identifier, the call request received is handled.
The use generated for calling is derived by the international mobile equipment mark in user equipment in this way, realizing
Family identifies, and realizes in no user smart card for supporting IP Multimedia Services Identity module applications, is also marked without general signing
In the case of knowing module, it can also be identified by the international mobile equipment in user equipment and initiate calling.
Preferably, the user identifier includes：Domain name and user name for positioning the user equipment, wherein institute
Stating domain name includes：The of the first identifier of model for determining user equipment and create-rule for determining user identifier
Two marks；
It is described that the call request received is handled according to the user identifier, including：
According to the second identifier in the user identifier, determine that the user identifier is pushed away according to international mobile equipment mark
The call request spread out, and transmitted and received to the emergency center.
A kind of calling device provided in an embodiment of the present invention, the equipment include：
User identifier unit is determined, for according to the international mobile equipment mark read from user equipment, determining
For the user name in the user identifier of calling；
User identifier unit is generated, for being used to position the domain name of the user equipment and the user using preset
Name generates the user identifier for calling；
Call request unit is sent, for sending the call request with the user identifier to core net.
By the equipment, realizes and the use generated for calling is derived by the international mobile equipment mark in user equipment
Family identifies, and realizes in no user smart card for supporting IP Multimedia Services Identity module applications, is also marked without general signing
In the case of knowing module, it can also be identified by the international mobile equipment in user equipment and initiate calling.
Preferably, the determining user identifier unit, is specifically used for：
It is read from user equipment and obtains international mobile equipment mark；
By international mobile equipment mark as the user name in the user identifier for calling.
Preferably, the preset domain name for positioning the user equipment includes：Type for determining user equipment
Number first identifier and create-rule for determining user identifier second identifier.
It is identified according to the international mobile equipment, it is determined that the user name in user identifier and domain name, realizing is not having
Support IP Multimedia Services Identity module applications user smart card, also without general signatory mark module in the case of, also may be used
To initiate calling by the international mobile equipment mark in user equipment；And determine that the generation of user identifier is advised by second identifier
Then, first identifier determines the model of user equipment and by the user name in user identifier, determines the user identity of user equipment,
Calling is initiated by the international mobile equipment mark in user equipment to realize.
A kind of calling device provided in an embodiment of the present invention, the equipment include：
Call request unit is received, the call request with user identifier for receiving user equipment transmission, wherein institute
It is determining according to international mobile equipment mark to state user identifier；
Call request unit is handled, for according to the user identifier, handling the call request received.
By the equipment, realizes and the use generated for calling is derived by the international mobile equipment mark in user equipment
Family identifies, and realizes in no user smart card for supporting IP Multimedia Services Identity module applications, is also marked without general signing
In the case of knowing module, it can also be identified by the international mobile equipment in user equipment and initiate calling.
Preferably, the user identifier includes：Domain name and user name for positioning the user equipment, wherein institute
Stating domain name includes：The of the first identifier of model for determining user equipment and create-rule for determining user identifier
Two marks；
The processing call request unit, is specifically used for：
According to the second identifier in the user identifier, determine that the user identifier is pushed away according to international mobile equipment mark
The call request spread out, and transmitted and received to the emergency center.
Description of the drawings
Fig. 1 is a kind of flow diagram of method of calling of user equipment side provided in an embodiment of the present invention；
Fig. 2 is a kind of flow signal of the method for determining user identifier of user equipment side provided in an embodiment of the present invention
Figure；
Fig. 3 is the flow diagram of the method for calling of user equipment side provided in an embodiment of the present invention；
Fig. 4 is a kind of flow diagram of method of calling of core-network side provided in an embodiment of the present invention；
Fig. 5 is the flow diagram that the embodiment of the present invention establishes IMS urgent calls；
Fig. 6 is a kind of structural schematic diagram of the calling device of user equipment side provided in an embodiment of the present invention；
Fig. 7 is a kind of structural schematic diagram of the calling device of core-network side provided in an embodiment of the present invention.
Specific implementation mode
An embodiment of the present invention provides a kind of method of calling and equipment, to pass through the international mobile equipment in user equipment
Mark derives the user identifier generated for calling, realizes in no user for supporting IP Multimedia Services Identity module applications
Smart card, also without general signatory mark module in the case of, can also be identified by the international mobile equipment in user equipment
Initiate calling.
Following will be combined with the drawings in the embodiments of the present invention, is clearly and completely retouched to the technical solution in the present invention
It states, it is clear that described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based in the present invention
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the scope of protection of the invention.
Referring to Fig. 1, in user equipment side, an embodiment of the present invention provides a kind of method of calling, this method includes：
S101, it is identified according to the international mobile equipment read from user equipment, determines user's mark for calling
User name in knowledge；
S102, it is used to position the domain name (Domain) of the user equipment and the user name (User using preset
Name), the user identifier for calling is generated；
S103, the call request with the user identifier is sent to core net.
Wherein, as shown in Fig. 2, the method that step S101 determines user identifier, specifically includes：
S201, reading obtains international mobile equipment mark from user equipment (User Equipment, UE)
(International Mobile Station Equipment Identity, IMEI)；
S202, the international mobile equipment is identified into IMEI as the user name (User in the user identifier for calling
Name)。
Wherein, step S202 can also be that the string that the user equipment is extracted in IMEI is identified from the international mobile equipment
Number, as the user name in the user identifier for calling.
Wherein, the preset domain name for positioning the user equipment includes：Model for determining user equipment
First identifier and create-rule for determining user identifier second identifier.
According to second identifier, that is, can be known, the user identifier is to identify IMEI by international mobile equipment to derive generation, is led to
Cross next stage domain name i.e. first identifier and can determine the model of user equipment (UE), that is, produce the user equipment producer and
The type of the user equipment.
For ease of understanding, further the solution of the present invention will be explained by embodiment below.
User identifier is derived out since the embodiment of the present invention will identify IMEI code by international mobile equipment, first
The simple composition for introducing lower international mobile equipment mark IMEI code.International mobile equipment identifies IMEI code by one group of ten five digit number
It is constituted, the first eight bit digital is Type Approval number (Type Allocation Code, TAC), and last one-bit digital is to examine
Code is called blank number (Check Digit/Spare Digit, CD/SD), and intermediate six bit digitals are the string of the user equipment
Number (Serial Number, SNR).Wherein, manufacturer and the type of the user equipment are can determine by Type Approval number TAC
Number.
For example, the IMEI code of user equipment (UE) is 234150999999999；The TAC codes of the UE are 23415099, the UE's
SNR codes are 999999, and the check code of the UE is 9.
More specifically a kind of caller of user equipment side provided in an embodiment of the present invention is introduced below in conjunction with Fig. 3
Method, this method include：
S301, from user equipment (UE) read obtain international mobile equipment mark IMEI, i.e., 234150999999999；
S302, obtained international mobile equipment mark IMEI will be read as the user in the user identifier for calling
Name, that is, user entitled 234150999999999；
S303, Type Approval number TAC is extracted from the international mobile equipment mark IMEI that reading obtains, i.e.,
23415099, using Type Approval number TAC as first identifier；
S304, second identifier and first identifier using the create-rule for determining user identifier are generated for fixed
The domain name of the position user equipment, that is, the domain name of the user equipment is：
23415099.IMEI.3gppnetwork.org
Wherein, it can determine that the user identifier is identified by international mobile equipment by IMEI.3gppnetwork.org
IMEI derives generation, also can determine that the call request is emergency call request；
The domain name that S305, the user name obtained using S302 are obtained with S304, generates the user identifier for calling, also
It is that user identifier is：
ship:234150999999999@23415099.IMEI.3gppnetwork.org；
S306, it is sent to IP multimedia subsystem (IP Multimedia Subsystem, IMS) core net with S305
The call request of the user identifier of generation.
The dedicated user data of IMS stored in ISIM includes private user identity and public user identity.Wherein, privately owned
User identity is the global identity with uniqueness defined by home network operator, be can be used in the home network from network
Angle uniquely identify user.Private user identity is not identity user itself, but identifies user and operator
Order/contract signing relationship is mainly used for being authenticated user in registration process, can be used for charging and administrative purposes.It is privately owned
User identity generally uses the form of network access identifier (Network Access Identifier, NAI)：user_
name@domain.Public user identity is in IMS network for asking the user's body used when being communicated with other users
Part, it can be published on numbering directory, homepage etc., a public user identity is at least stored in ISIM.Pass through registration process
It registers in a network, network is not authenticated public user identity, and generally there are two types of forms for public user identity：SIP：URI.
User equipment does not support IP Multimedia Services Identities module (IP Multimedia Service Identity
Module, ISIM) application user smart card, that is, the dedicated user data of the IMS stored in ISIM can not be passed through and carried out
IMS is called, at this point, the method for calling that can be provided through the embodiment of the present invention is called.By step of the embodiment of the present invention
The user identifier that S305 is generated initiates IMS callings as interim public user identity.
Interim private user identity can also be generated using method of calling provided in an embodiment of the present invention, that is, utilizes step
The domain name that the user name that S302 is obtained is obtained with step S304, generates interim private user identity, i.e.,：
234150999999999@23415099.IMEI.3gppnetwork.org。
It is corresponding with the method for above-mentioned user equipment side, referring to Fig. 4, in core-network side, an embodiment of the present invention provides
A kind of method of calling, including：
S401, the call request with user identifier that user equipment is sent is received, wherein according to the user identifier
International mobile equipment mark determination；
S402, according to the user identifier in the call request, handle the call request received.
Wherein, the user identifier includes：Domain name and user name for positioning the user equipment, wherein described
Domain name includes：The second of the first identifier of model for determining user equipment and create-rule for determining user identifier
Mark；
The user identifier according in the call request handles the call request received, including：
According to the second identifier in the user identifier in the call request, determine that the user identifier is moved according to the whole world
What dynamic device identification was derived, and the call request transmitted and received to the emergency center.
Below in conjunction with Fig. 5, introducing a kind of overall flow for establishing IMS urgent calls provided in an embodiment of the present invention includes
Step：
The urgent call of S501, user equipment successful registration to IMS；
S502, user equipment measure itself position or location identifier；If the user equipment cannot obtain itself position
It sets, it can be to the set (IP-Connectivity of network entity and interface for being connected to user equipment (UE) and IMS entities
Access Network, IP-CAN) its location information is asked, if IP-CAN supports the function, sent to the user equipment
The location information and location identifier of the user equipment；
S503, user equipment send the call request with the S305 user identifiers generated to IMS core network and are
" INVITE " message, wherein the user identifier derives to obtain according to international mobile equipment mark；
Agent call conversation control entity (Proxy-Call Server Control in S504, IMS core network
Function, P-CSCF) " INVITE " message that step S503 is sent is received, and according to the user identifier in the message, sentence
Whether the message related to calls of breaking is emergency call request；If the second identifier in the user identifier is
IMEI.3gppnetwork.org, it is determined that it is emergency call request to be somebody's turn to do " INVITE " message, which is forwarded
To the emergency call session control function (Emergency-CSCF, E-CSCF) in local network；
S505, E-CSCF determine the location information or location identifier received according to the emergency call request of forwarding
It is whether true；If the location information or location identifier that receive are true, and can be used for determining public safety answering point
(Public Security Answer Point, PSAP), then carry out step S507；Otherwise, to position acquisition function server
(Location Retrieval Function, LRF) sends inquiry Address requests, wherein the inquiry Address requests include using
The network location information (such as IP address) of family equipment, the location identifier received and user access networks information；
S506, LRF determine the method for positioning the user equipment according to the access technology of user equipment in the ims network, and
The location information for determining PSAP routings is determined according to this method, and the geographical location of the user equipment is sent to IMS core net
Information, Police Command Center/linkage platform address, routing iinformation and the mark for identifying LRF；
The routing iinformation that S507, E-CSCF are returned according to LRF selects emergency center or public safety answering point PSAP, hair
Send emergency call request i.e. " INVITE " message；
If Police Command Center or public safety answering point PSAP at circuit commutative field (Circuit Switched, CS),
Call request can be forwarded to Police Command Center or public safety answering point PSAP by E-CSCF by Media Gateway Control Function；
If Police Command Center or public safety answering point PSAP are in packet-switched domain (Packet Switched, PS), E-
Call request is directly sent to Police Command Center or public safety answering point PSAP by CSCF；
S508, urgent call are established.
It should be noted that method of calling provided in an embodiment of the present invention can be used for common IMS callings, it is also possible to
In the urgent call of IMS.
Referring to Fig. 6, an embodiment of the present invention provides a kind of calling device, which includes：
Determine user identifier unit 601, for being identified according to the international mobile equipment read from user equipment, really
User name in the fixed user identifier for calling；
User identifier unit 602 is generated, for utilizing the preset domain name for positioning the user equipment and described
User name generates the user identifier for calling；
Call request unit 603 is sent, for sending the call request with the user identifier to core net.
Specifically, the determining user identifier unit 601, is specifically used for：
It is read from user equipment and obtains international mobile equipment mark；
By international mobile equipment mark as the user name in the user identifier for calling.
Specifically, the preset domain name for positioning the user equipment includes：Type for determining user equipment
Number first identifier and create-rule for determining user identifier second identifier.
Specifically, user identifier unit 601, the generation user identifier unit 602 are determined described in the embodiment of the present invention
And the transmission call request unit 603 can be realized by processor.
Specifically, the calling device can be user equipment.
Referring to Fig. 7, an embodiment of the present invention provides a kind of calling device, which includes：
Call request unit 701 is received, the call request with user identifier for receiving user equipment transmission,
In, the user identifier is determining according to international mobile equipment mark；
Call request unit 702 is handled, for according to the user identifier in the call request, handling the calling received
Request.
Specifically, the user identifier includes：Domain name and user name for positioning the user equipment, wherein institute
Stating domain name includes：The of the first identifier of model for determining user equipment and create-rule for determining user identifier
Two marks；
The processing call request unit 702, is specifically used for：
According to the second identifier in the user identifier in the call request, determine that the user identifier is moved according to the whole world
What dynamic device identification was derived, and the call request transmitted and received to the emergency center.
Specifically, call request unit 701 and the processing call request unit are received described in the embodiment of the present invention
702 can be realized by processor.
Specifically, the calling device can be core net.Wherein, which can be the generation in IMS core net
Manage call conversation control entity P-CSCF.
In conclusion an embodiment of the present invention provides a kind of method of calling and equipment, to by complete in user equipment
Ball mobile device mark derives the user identifier generated for calling, realizes in no support IP Multimedia Services Identity modules
The user smart card of application, also without general signatory mark module in the case of, can also pass through in user equipment the whole world move
Calling is initiated in dynamic device identification；And determine that the create-rule of user identifier, first identifier determine user equipment by second identifier
Model and by the user name in user identifier, determine the user identity of user equipment, pass through user equipment to realize
In international mobile equipment mark initiate calling；It can also be used for determining whether the call request is urgent call by second identifier
Request determines whether to initiate to call by emergence call equipment.
It should be understood by those skilled in the art that, the embodiment of the present invention can be provided as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the present invention
Apply the form of example.Moreover, the present invention can be used in one or more wherein include computer usable program code computer
The shape for the computer program product implemented in usable storage medium (including but not limited to magnetic disk storage and optical memory etc.)
Formula.
The present invention be with reference to according to the method for the embodiment of the present invention, the flow of equipment (system) and computer program product
Figure and/or block diagram describe.It should be understood that can be realized by computer program instructions every first-class in flowchart and/or the block diagram
The combination of flow and/or box in journey and/or box and flowchart and/or the block diagram.These computer programs can be provided
Instruct the processor of all-purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine so that the instruction executed by computer or the processor of other programmable data processing devices is generated for real
The device for the function of being specified in present one flow of flow chart or one box of multiple flows and/or block diagram or multiple boxes.
These computer program instructions, which may also be stored in, can guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works so that instruction generation stored in the computer readable memory includes referring to
Enable the manufacture of device, the command device realize in one flow of flow chart or multiple flows and/or one box of 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 count
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, in computer or
The instruction executed on other programmable devices is provided for realizing in one flow of flow chart or multiple flows and/or block diagram one
The step of function of being specified in a box or multiple boxes.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
God and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (6)
1. a kind of method of calling, which is characterized in that this method includes：
According to the international mobile equipment mark read from user equipment, the user of the user identifier for calling is determined
Name；
Using preset for positioning the domain name of the user equipment and the user name, user's mark for calling is generated
Know；
The call request with the user identifier is sent to core net；
Wherein, the preset domain name for positioning the user equipment includes：Of model for determining user equipment
The second identifier of one mark and the create-rule for determining user identifier, wherein the first identifier is mobile from the whole world
Extraction obtains in device identification.
2. according to the method described in claim 1, it is characterized in that, the basis reads obtained whole world shifting from user equipment
Dynamic device identification determines the user name of the user identifier for calling, including：
It is read from user equipment and obtains international mobile equipment mark；
By international mobile equipment mark as the user name in the user identifier for calling.
3. a kind of method of calling, which is characterized in that this method includes：
Receive the call request with user identifier that user equipment is sent, wherein the user identifier is mobile according to the whole world
What device identification determined；
According to the user identifier, the call request received is handled；
Wherein, the user identifier includes：Domain name and user name for positioning the user equipment, wherein domain name
Including：The first identifier of model for determining user equipment and for determine user identifier create-rule second mark
Know；
It is described that the call request received is handled according to the user identifier, including：
According to the second identifier in the user identifier, determine that the user identifier is derived according to international mobile equipment mark
The call request arrived, and transmitted and received to emergency center.
4. a kind of calling device, which is characterized in that the equipment includes：
User identifier unit is determined, for according to the international mobile equipment mark read from user equipment, determination to be used for
User name in the user identifier of calling；
User identifier unit is generated, for being used to position the domain name of the user equipment and the user name using preset,
Generate the user identifier for calling；
Call request unit is sent, for sending the call request with the user identifier to core net；
Wherein, the preset domain name for positioning the user equipment includes：Of model for determining user equipment
The second identifier of one mark and the create-rule for determining user identifier.
5. equipment according to claim 4, which is characterized in that the determining user identifier unit is specifically used for：
It is read from user equipment and obtains international mobile equipment mark；
By international mobile equipment mark as the user name in the user identifier for calling.
6. a kind of calling device, which is characterized in that the equipment includes：
Call request unit is received, the call request with user identifier for receiving user equipment transmission, wherein the use
Family is identified as determining according to international mobile equipment mark；
Call request unit is handled, for according to the user identifier, handling the call request received；
Wherein, the user identifier includes：Domain name and user name for positioning the user equipment, wherein domain name
Including：The first identifier of model for determining user equipment and for determine user identifier create-rule second mark
Know；
The processing call request unit, is specifically used for：
According to the second identifier in the user identifier, determine that the user identifier is derived according to international mobile equipment mark
The call request arrived, and transmitted and received to emergency center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510058566.4A CN104661203B (en) | 2015-02-04 | 2015-02-04 | A kind of method of calling and equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510058566.4A CN104661203B (en) | 2015-02-04 | 2015-02-04 | A kind of method of calling and equipment |
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| CN104661203B true CN104661203B (en) | 2018-08-21 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101606372A (en) * | 2007-02-06 | 2009-12-16 | 诺基亚公司 | Support of UICC-less calls |
| CN101800960A (en) * | 2009-02-10 | 2010-08-11 | 中兴通讯股份有限公司 | Method for transferring emergent service session and emergent service system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040192252A1 (en) * | 2003-03-31 | 2004-09-30 | Naveen Aerrabotu | Emergency packet data network communication system and call features |
-
2015
- 2015-02-04 CN CN201510058566.4A patent/CN104661203B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101606372A (en) * | 2007-02-06 | 2009-12-16 | 诺基亚公司 | Support of UICC-less calls |
| CN101800960A (en) * | 2009-02-10 | 2010-08-11 | 中兴通讯股份有限公司 | Method for transferring emergent service session and emergent service system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104661203A (en) | 2015-05-27 |
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