GSM To GSM Call With Callerid Passthrough

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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 possible configuration on Asterisk that I know of but does not work. At the moment the callerid is always of the SIM we use to send the call out from. Has anyone tried this before? I need this very badly.

Thanks

One thought on - GSM To GSM Call With Callerid Passthrough

  • Unfortunately, when it comes to setting caller ID, you are basically at the mercy of the telco — they can choose whether to allow it or not. Obviously your telco aren’t allowing you to set it, so you get the default ident for your SIM whatever you try to set.

    Best suggestion: Try asking nicely; but good luck with finding someone at any mobile telecommunications company who even understands what you are talking about.