Fixed Caller ID when using CFwdALL feature with Asterisk
I am running Trixbox 184.108.40.206 with a Cisco 7961 handset. Our upstream provider is about to restrict our outbound Caller ID to the incoming number ranges we have with them.
If I use the CFwdALL button on the 7961 handset to forward all calls to a mobile the Caller ID shown on the receiver's mobile is the originating caller's.
1. All calls to 0299222222 (handsets external number) are forwarded to 0411111111
2. External caller, 0433333333 makes a call to 0299222222.
3. Call is forwarded to 0411111111 and shows caller ID of 0433333333.
Once our upstream provider starts restricting our outbound caller id this call will be rejected by them as we don't own the number 0433333333.
Is there a way to force the forwarded call to use the forwarded extension's external number (0299222222) instead of the calling party's (0433333333) for the outbound Caller ID?
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