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Method for transferring realizing inter-regional call before call in virtual network
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A technology of call forwarding and virtual network, which is applied in the direction of network data management, connection management, electrical components, etc., which can solve the problem of not being able to combine two bills and achieve the effect of reducing costs
Inactive Publication Date: 2005-02-23
GLOBAL INNOVATION AGGREGATORS LLC
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However, since the exchange that generated the final call bill and the switch that generated the origination bill are not in the same area, it is impossible to combine the two bills generated by the FollowMe call
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no. 1 example
[0022] The FollowMe call flow of the one-card user in this embodiment will be described in detail below. Firstly, a virtual Gateway Mobile Switching Center (GMSC) needs to be set up in the area where the one-card service is opened, and the virtual GMSC can exchange information with the virtual HLR through self-defined signaling. Both the virtual GSMC and the HLR implementing the FollowMe call have added custom signaling to form a virtual network.
[0023] Assume that user S1 of one card in A and B roams to area B, and a user S2 calls the number of area A of S1, so a FollowMe call is generated, such as figure 1 As shown, the specific process of the FollowMe call includes the following steps:
[0024] Step 101, S2 dials the A area number of the one-card user S1, and the call is connected to the GMSC in A area;
[0025] Step 102, the GMSC in area A analyzes the called number, and initiates a routing request to the virtual HLR;
[0026] Step 103, the virtual HLR receives the ro...
no. 2 example
[0038] The FollowMe call flow of the multi-card user in this embodiment will be described in detail below. It is also necessary to set up a virtual GMSC in the area where the multi-card service is opened. Since multi-card users allocate numbers in multiple virtual HLRs, the FollowMe call process of multi-card users is slightly different from that of one-card users.
[0039] Assume that multi-card user S1 in A and B roams to area B, and a user S2 calls the number of area A of S1, so a FollowMe call is generated, such as figure 2As shown, the specific process of the FollowMe call includes the following steps:
[0040] Step 201, S2 dials the A area number of the multi-card user S1, and the call is connected to the GMSC in A area;
[0041] Step 202, A GMSC analyzes the called number, and initiates a routing request to A's virtual HLR;
[0042] Step 203, A's virtual HLR receives the routing request, analyzes the S1 subscription service and current location information, and init...
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Abstract
The method includes following step: a virtual GMSC is set; the virtual GMSC uses self-defined signaling to interact with virtual HLR; in the process of tracing call that is when the number of called party in A area is dialed but actually the called party is in B area, the virtual HLR transmits the roaming number assigned by VLR in B area and called number in A and B area to the virtual GMSC; the virtual GMSC builds the coincidence relation between the above information and responds to virtual HLR; the virtual HLR returns forward number to GMSC in A area; the GMSC in A area uses the forward number to make call connection to the virtual GMSC; after the virtual GMSC finds the roaming number, and then makes call connection to MSC in B area.
Description
technical field [0001] The invention relates to a cross-region calling method in the field of mobile communication, in particular to a flow and a charging method of a cross-region FollowMe call (follow call). Background technique [0002] In real life, some mobile users often roam between some fixed areas. These users not only require to enjoy convenient services, but also require to enjoy the low cost of local users when roaming between these areas. [0003] In order to eliminate roaming charges, a virtual network can be used to allow a SIM card to correspond to numbers in different regions. When a user roams to a certain region, the number in that region will be used. Users are called all-in-one card users. Or, let a user have a plurality of SIM cards, and each SIM card is assigned a number in the Home Location Register (HLR) of the corresponding area, and when the user roams to a certain area, the SIM card in this area is used, and the HLR in these areas uses User-defin...
Claims
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