Pick Specific GSM Port to Make Calls by TG Peer-Type Trunk

 Introduction

Sometimes, the SIM cards purchased by client are different, so the dialed number format for each carrier are not the same and the rate of the calls between different carriers are expensive. In the condition, the client would need to select the right GSM line to make calls.

As for incoming calls, the client want to route different GSM line by different destinations.

In the following, we would introduce the proper routing plan to achieve above goals.

Target

• Dial different format number via different SIM.
• Receive call from different SIM to different destination of SIP server .