CN101222651B - Method and device for implementing co-line call - Google Patents
Method and device for implementing co-line call Download PDFInfo
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- CN101222651B CN101222651B CN200710062625A CN200710062625A CN101222651B CN 101222651 B CN101222651 B CN 101222651B CN 200710062625 A CN200710062625 A CN 200710062625A CN 200710062625 A CN200710062625 A CN 200710062625A CN 101222651 B CN101222651 B CN 101222651B
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Abstract
The present invention relates to a method and a device for realizing party-line calls on the prior No.1 digital signaling system (DSS1). The method particularly comprises the steps that: a carrying capacity information unit of a SETUP message in the No.1 digital signaling system; party-line call type is indicated; after receiving the message, a bureau where a called party is temporarily establishes a conference and then indicates a plurality of calls using the same channel to join the same conference. Therefore, the present invention provides a call method with few occupied transmission channel resource and low cost, which can satisfy both ordinary DSS1 point-to-point calls and party-line calls with called users temporarily determined by calling users.
Description
Technical field
The present invention relates to the communication software technical field, relate in particular to a kind of method and device of realizing co-line call.
Background technology
Digital Subscriber Signalling System No. 1 (DSS 1) is a kind of signaling system of maturation, is mainly used in the interface between public network user and the network, realizes the point-to-point calling of interoffice.
Along with the development of technology, Digital Subscriber signalling No.1 also is used widely in dedicated network, particularly in the dedicated network of scheduling industry.Wherein, a kind of business commonly used is to set up meeting in this locality, and this business is used to carry out Web conference, makes people can realize that remote live carries out session discussing, thereby effectively increases work efficiency.In carrying out the Web conference process, if when a calling subscriber initiates a group calling that comprises a plurality of called subscribers, and described called subscriber probably with the calling subscriber not an exchange, then need to adopt the Digital Subscriber signalling No.1 system by common point to point call mode, call out each called subscriber respectively by the calling subscriber; At this moment, a plurality of if the called subscriber who is in another exchange comprises, then need to take the passage between a plurality of Originating Offices and the called office.
This shows that this point to point call mode exists and takies the many problems of system communication data transmission channel, has both wasted resource, has increased cost again.Therefore, need a plurality of users outside a kind of calling station but only take the call technology of a relaying passage.
A kind of relaying passage call technology is provided at present, be called the co-line call technology, the scheme of concrete realization co-line call technology comprises: when Originating Office is initiated co-line call, set up virtual group calling at called office, promptly call out a special called number, then, initiate Conference Calling by called office to called office, call out out these users of local exchange, thereby all called subscribers and the meeting between the calling subscriber that are implemented in local exchange only take a passage.But, adopt this implementation, because the user in the virtual group calling that called office is set up is predefined, therefore, the quantity that Originating Office can not the offhand decision called subscriber, and can only be by the pre-configured decision of called office called subscriber's quantity.
In sum, the technology of described co-line call, though can solve the many problems of system communication data transmission channel that take, but initiate the mode of Conference Calling owing to use called office, make the quantity that Originating Office can not the offhand decision called subscriber, cause Originating Office not call out the called subscriber flexibly, reduced the flexibility that the co-line call technology is used.
Summary of the invention
The purpose of this invention is to provide a kind of method that realizes co-line call in the Digital Subscriber signalling No.1 system, provide a kind of co-line call method that the transmission channel resource is few, cost is low that takies by this method.
The objective of the invention is to be achieved through the following technical solutions:
The invention provides a kind of method that realizes co-line call, in No. 1 DSS1 of digital signalling system, realize, comprising:
Originating Office sends co-line call message to called office, carrying the co-line call type information in the described co-line call message, the SETUP message that described co-line call message is No. 1 digital signalling system, the the 5th, 4,3,2,1 information transfer capacity partly increases described co-line call type information in the 3rd 8 bit group of the Bearer Capability Information Element of described SETUP message, and this co-line call type information value is office's agreement by both party;
Called office is set up meeting according to the content of the beared information unit in the message when receiving described co-line call message, use a passage to realize conversation between the caller and called users of this co-line call message correspondence at the calling and called interoffice;
When called office receives when using the co-line call message of same passage with above-mentioned calling once more, then the called subscriber with this co-line call message correspondence joins in the described meeting, realizes the MPTY between the caller and called users of this co-line call message correspondence.
Alternatively, described co-line call message is the SETUP message of No. 1 digital signalling system behind the increase co-line call type field.
Alternatively, described co-line call type field is arranged in the Bearer Capability Information Element of described SETUP message.
The present invention also provides a kind of co-line call apparatus for initiating, is arranged in No. 1 digital signalling system, comprises co-line call message constructing unit and co-line call message sending unit, wherein,
Co-line call message constructing unit, be used to construct co-line call message, carrying the co-line call type information in the described message, the SETUP message that described co-line call message is No. 1 digital signalling system, the the 5th, 4,3,2,1 information transfer capacity partly increases described co-line call type information in the 3rd 8 bit group of the Bearer Capability Information Element of described SETUP message, and this co-line call type information value is office's agreement by both party;
The co-line call message sending unit is used for the co-line call message of co-line call message constructing unit structure is sent to called office, to initiate co-line call.
Alternatively, the co-line call message of described co-line call message constructing unit structure is: the SETUP message of No. 1 digital signalling system behind the increase co-line call type field.
Alternatively, described co-line call type field is arranged in the Bearer Capability Information Element of described SETUP message.
The present invention also provides a kind of device of realizing co-line call, is arranged in No. 1 digital signalling system, comprises that the co-line call meeting sets up unit and co-line call processing unit, wherein,
The unit is set up in the co-line call meeting, be used to receive the co-line call message that Originating Office sends, and set up meeting, realize the conversation between the caller and called users, the SETUP message that described co-line call message is No. 1 digital signalling system, the the 5th, 4,3,2,1 information transfer capacity partly increases described co-line call type information in the 3rd 8 bit group of the Bearer Capability Information Element of described SETUP message, and this co-line call type information value is office's agreement by both party;
The co-line call processing unit, being used to receive subsequently Originating Office sends, use the co-line call message of same passage with above-mentioned calling, and the called subscriber of this co-line call message correspondence is added described co-line call meeting set up in the meeting of setting up the unit, only use a passage to realize MPTY between the caller and called users at the calling and called interoffice.
The present invention also provides a kind of system that realizes co-line call, realizes based on No. 1 digital signalling, comprises Originating Office and called office, wherein,
Originating Office, be used for sending co-line call message to called office, carrying the co-line call type information in the described co-line call message, the SETUP message that described co-line call message is No. 1 digital signalling system, the the 5th, 4,3,2,1 information transfer capacity partly increases described co-line call type information in the 3rd 8 bit group of the Bearer Capability Information Element of described SETUP message, and this co-line call type information value is office's agreement by both party;
Called office is used for setting up meeting according to loaded information in the message when receiving described co-line call message, realizes the conversation between the caller and called users; And when called office receives indication this callings and above-mentioned calling when using the co-line call message of same passage once more, the called subscriber of this co-line call message correspondence is joined in the described meeting, only use a MPTY between the passage realization caller and called users at the calling and called interoffice.
Alternatively, described co-line call message is the SETUP message of No. 1 digital signalling system behind the increase co-line call type field.
Alternatively, described co-line call type field is arranged in the Bearer Capability Information Element of described SETUP message.
As seen from the above technical solution provided by the invention, the present invention can be by suitably increasing the type of call of the message related to calls in the Digital Subscriber signalling No.1 (DSS1), to be different from common point to point call, the function of expansion Digital Subscriber signalling No.1 system realizes co-line call.Therefore, it is few that realization of the present invention takies the communication transmission passage resource, also reduced the realization cost simultaneously; In addition, realization of the present invention can also guarantee to satisfy common DSS1 point to point call, can satisfy the co-line call of calling subscriber's offhand decision called subscriber's quantity again, has improved the flexibility that the co-line call technology is used.
Description of drawings
Fig. 1 realizes the device of co-line call for the present invention;
The flow chart of the realization co-line call that Fig. 2 provides for the embodiment of the invention;
The processing procedure schematic diagram of the realization co-line call that Fig. 3 provides for the embodiment of the invention.
Embodiment
The invention provides a kind of method that realizes co-line call, be in existing No. 1 digital signalling system, to realize, comprise: the Bearer Capability Information Element of expanding No. 1 SETUP message in the digital signalling system signaling, be designated as the co-line call type, after receiving this message, the office at called place sets up meeting temporarily, and will receive subsequently, indicate this calling and above-mentioned calling to use in the same meeting that a plurality of callings of same passage add.Its specific implementation process comprises:
When the Originating Office user when the called office user initiates co-line call, make up earlier a co-line call information and sending co-line call message and give called office, at this moment, take a communication port; Carry the co-line call type information in the described co-line call message, be specially the SETUP message of No. 1 digital signalling system behind the increase co-line call type field in the Bearer Capability Information Element of described SETUP message;
Called office is when receiving described co-line call message, set up meeting according to the content in the Bearer Capability Information Element in the message, and the called subscriber of this co-line call message correspondence in the calling station, realize the conversation between the caller and called users of this co-line call message correspondence;
When called office receives indication this callings and above-mentioned calling when using the co-line call message of same passage once more, then the called subscriber with this co-line call message correspondence joins in the described meeting, realizes the conversation between the caller and called users of this co-line call message correspondence.
This shows that the present invention both can satisfy common DSS1 point to point call, can satisfy the co-line call of calling subscriber's offhand decision called subscriber's quantity again
The present invention also provides a kind of system that realizes co-line call, and as shown in Figure 1, this system is based on No. 1 digital signalling and realizes, comprises Originating Office and called office, wherein,
Originating Office is used for sending co-line call message to called office, is carrying the co-line call type information in the described co-line call message; Described Originating Office is provided with co-line call apparatus for initiating provided by the invention, is arranged in No. 1 digital signalling system, comprises co-line call message constructing unit and co-line call message sending unit, wherein,
Co-line call message constructing unit is used to construct co-line call message, is carrying the co-line call type information in the described message;
The co-line call message sending unit is used for the co-line call message of co-line call message constructing unit structure is sent to called office, to initiate co-line call.
Called office is used for setting up meeting according to the content of Bearer Capability Information Element in the message when receiving described co-line call message, realizes the conversation between the caller and called users; And when called office receives indication this callings and above-mentioned calling when using the co-line call message of same passage once more, the called subscriber of this co-line call message correspondence is joined in the described meeting MPTY between the realization caller and called users.Described called office comprises and the invention provides the device of realizing co-line call, is arranged in No. 1 digital signalling system, comprises that the co-line call meeting sets up unit and co-line call processing unit, wherein,
The unit is set up in the co-line call meeting, is used to receive the co-line call message that Originating Office sends, and sets up meeting, realizes the conversation between the caller and called users;
The co-line call processing unit, be used to receive the co-line call message of indicating this calling and above-mentioned calling to use same passage, and the called subscriber of this co-line call message correspondence is added described co-line call meeting set up in the meeting of setting up the unit, realize the conversation between the caller and called users.
Described system realizes that the process of co-line call comprises:
Originating Office sends co-line call message to called office, carry the co-line call type information in the described co-line call message, be specially the SETUP message of No. 1 digital signalling system behind the increase co-line call type field in the Bearer Capability Information Element of described SETUP message;
Called office is set up meeting according to loaded information in the message when receiving described co-line call message, realize the conversation between the caller and called users of this co-line call message correspondence;
When called office receives indication this callings and above-mentioned calling when using the co-line call message of same passage once more, then the called subscriber with this co-line call message correspondence joins in the described meeting, realizes the conversation between the caller and called users of this co-line call message correspondence.
The technical scheme of realization co-line call for a better understanding of the present invention, below in conjunction with accompanying drawing 2 and accompanying drawing 3, and to adopt No. 1 digital signalling system to link to each other between two exchange SP1 and the SP2, the implementation procedure how calling subscriber of SP1 only takies 3 users on the passage calling SP2 is described in detail specific implementation technical scheme of the present invention for embodiment.
At first, in No. 1 digital signalling system signaling setup message, increase a kind of co-line call type of message, i.e. the 5th, 4,3,2,1 information transfer capacity part in the 3rd 8 bit group of Bearer Capability Information Element, increase voice co-line call type, this value is office's agreement by both party.
Secondly, when SP1 initiates co-line call, its call flows as shown in Figures 2 and 3:
After this message is received by step 24, SP2 office, intra-office subscribers C is added meeting realization A, the B that set up just now, the conversation between the C;
Step 25, when the caller A on the SP1 then calls out called D on the SP2, type of call also is made as the conllinear type in the SETUP message of transmission, also active channel 1;
After this message is received by step 26, SP2 office, intra-office subscribers D is added meeting realization A, the B that set up just now, the conversation between C, the D;
This shows that SP1 uses the same method and calls out other users of SP2 office.SP1 just can call out a plurality of users on the SP2 like this, and has only taken a passage 1.
In sum, technical scheme provided by the invention is by suitably increasing the type of call of No. 1 message related to calls in the digital subscriber communication signaling, and to be different from common point to point call, the function of expansion Digital Subscriber signalling No.1 system realizes co-line call.Simultaneously, has few, the low cost and other advantages of the transmission channel of taking resource again.
The above; only for the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, and anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claim.
Claims (10)
1. a method that realizes co-line call realizes in No. 1 DSS1 of digital signalling system, it is characterized in that, comprising:
Originating Office sends co-line call message to called office, carrying the co-line call type information in the described co-line call message, the SETUP message that described co-line call message is No. 1 digital signalling system, the the 5th, 4,3,2,1 information transfer capacity partly increases described co-line call type information in the 3rd 8 bit group of the Bearer Capability Information Element of described SETUP message, and this co-line call type information value is office's agreement by both party;
Called office is set up meeting according to the content of the beared information unit in the message when receiving described co-line call message, use a passage to realize conversation between the caller and called users of this co-line call message correspondence at the calling and called interoffice;
When called office receives when using the co-line call message of same passage with above-mentioned calling once more, then the called subscriber with this co-line call message correspondence joins in the described meeting, realizes the MPTY between the caller and called users of this co-line call message correspondence.
2. method according to claim 1 is characterized in that, described co-line call message is the SETUP message of No. 1 digital signalling system behind the increase co-line call type field.
3. method according to claim 2 is characterized in that, described co-line call type field is arranged in the Bearer Capability Information Element of described SETUP message.
4. co-line call apparatus for initiating is arranged in No. 1 digital signalling system, it is characterized in that, comprises co-line call message constructing unit and co-line call message sending unit, wherein,
Co-line call message constructing unit, be used to construct co-line call message, carrying the co-line call type information in the described message, the SETUP message that described co-line call message is No. 1 digital signalling system, the the 5th, 4,3,2,1 information transfer capacity partly increases described co-line call type information in the 3rd 8 bit group of the Bearer Capability Information Element of described SETUP message, and this co-line call type information value is office's agreement by both party;
The co-line call message sending unit is used for the co-line call message of co-line call message constructing unit structure is sent to called office, to initiate co-line call.
5. device according to claim 4 is characterized in that, the co-line call message of described co-line call message constructing unit structure is: the SETUP message of No. 1 digital signalling system behind the increase co-line call type field.
6. device according to claim 5 is characterized in that, described co-line call type field is arranged in the Bearer Capability Information Element of described SETUP message.
7. device of realizing co-line call is arranged in No. 1 digital signalling system, it is characterized in that, comprises that the co-line call meeting sets up unit and co-line call processing unit, wherein,
The unit is set up in the co-line call meeting, be used to receive the co-line call message that Originating Office sends, and set up meeting, realize the conversation between the caller and called users, the SETUP message that described co-line call message is No. 1 digital signalling system, the the 5th, 4,3,2,1 information transfer capacity partly increases described co-line call type information in the 3rd 8 bit group of the Bearer Capability Information Element of described SETUP message, and this co-line call type information value is office's agreement by both party;
The co-line call processing unit, being used to receive subsequently Originating Office sends, use the co-line call message of same passage with above-mentioned calling, and the called subscriber of this co-line call message correspondence is added described co-line call meeting set up in the meeting of setting up the unit, only use a passage to realize MPTY between the caller and called users at the calling and called interoffice.
8. a system that realizes co-line call realizes based on No. 1 digital signalling, it is characterized in that, comprises Originating Office and called office, wherein,
Originating Office, be used for sending co-line call message to called office, carrying the co-line call type information in the described co-line call message, the SETUP message that described co-line call message is No. 1 digital signalling system, the the 5th, 4,3,2,1 information transfer capacity partly increases described co-line call type information in the 3rd 8 bit group of the Bearer Capability Information Element of described SETUP message, and this co-line call type information value is office's agreement by both party;
Called office is used for setting up meeting according to loaded information in the message when receiving described co-line call message, realizes the conversation between the caller and called users; And when called office receives indication this callings and above-mentioned calling when using the co-line call message of same passage once more, the called subscriber of this co-line call message correspondence is joined in the described meeting, only use a MPTY between the passage realization caller and called users at the calling and called interoffice.
9. system according to claim 8 is characterized in that, described co-line call message is the SETUP message of No. 1 digital signalling system behind the increase co-line call type field.
10. system according to claim 9 is characterized in that, described co-line call type field is arranged in the Bearer Capability Information Element of described SETUP message.
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| CN200710062625A CN101222651B (en) | 2007-01-11 | 2007-01-11 | Method and device for implementing co-line call |
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| CN200710062625A CN101222651B (en) | 2007-01-11 | 2007-01-11 | Method and device for implementing co-line call |
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| CN101222651B true CN101222651B (en) | 2010-05-26 |
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| CN105592238A (en) * | 2014-10-20 | 2016-05-18 | 中兴通讯股份有限公司 | VOIP-based party telephone multi-party call communication method and device |
| US10798246B2 (en) * | 2016-12-23 | 2020-10-06 | Telecom Italia S.P.A. | Call collision resolution in a communication network |
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| CN1406077A (en) * | 2001-09-19 | 2003-03-26 | 华为技术有限公司 | Method for realizing mobile network of one number to multiple sets based on expanded compensation business |
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| CN1585510A (en) * | 2004-06-04 | 2005-02-23 | Ut斯达康通讯有限公司 | Calling pretreating method |
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