search for: tg400

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2014 Sep 17
1
GSM to GSM call with callerid passthrough
Hi All, I have a GSM to VoIP gateway (specifically yeaster TG400) which I am trying to use for kind of a call intercept between two GSM users. Call comes through one SIM and goes out through another Sim with our Asterisk in between to log the call. This works fine but we need the original callerid to pass-through through the outgoing SIM. I have tried every pos...