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Tandem + Mobile Virtual Network Solution

Time：

2022-12-09 13:31

Source：

 

 

 

 

1. Solution

● Tandem + Mobile Virtual Network Solution Diagram 
 

1. Application conditions: the switch of the user unit must have The operator's 2M dedicated line access, the mobile phone must have a virtual network, and the two are the same operator (both mobile companies or both Unicom companies.
2. Application value:
1) The extension inside the exchange is included in the virtual network of the mobile phone. The call from the extension to the mobile phone and the call from the mobile phone to the extension are all calls within the network. The called is free, and the calling fee is halved or free (if the form of a fixed monthly fee is used).
2) Incoming external calls (through the loop or 2M port), no matter in the form of manual transfer or voice secondary dialing, can be transferred to the mobile phone, making the contact method more convenient and effective. When transferring, if you dial the virtual network number of your mobile phone, the mobile phone will receive free calls.
3) When the staff is not in the company, when using a mobile phone to make a long-distance call (the cost is 1.1 yuan/minute), the call fee can be greatly reduced. If the mobile phone virtual network is a provincial network, there will be no call charges, long-distance charges and roaming charges for calls within the province, and the effect of reducing call charges will be more obvious.

 

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