How to make a call from a PBX extension using a specific E1 line of the TE200

Scenario:

TE200 connected 2 E1 lines, TE200 connected to Yeastar PBX via a sip trunk.

The PBX extension wants to make outbound calls from a specific E1 line. If the call is made to a domestic number, the call is made through E1 line 1, and if the call is made to an international number, the call is made through E1 line 2.

For example, if want to dial 123456789, as shown below settings,
if dial 9123456789, it will out via E1trunk 1,
if dial 8123456789, it will out via E1trunk 2.

outbound route in Yeastar PBX to call any numbers which begin with a digit.

In short, TE gateway match different DID number to select the corresponding route to make the calls.