Hello everyone,
As we tried to setup a non-supported voice service provider trunk for outbound calls, we received 503 Service Unavailable error. According to tech support's report, the problem is that 'the trunk is set correctly, the reason for 503 is there are no tokens in the call', followed...
Is it possible to send the originating caller ID as the extension number in the p-asserted ID field over a SIP trunk? This would be needed in order to properly sign a call for stir/shaken. We have tons of users using the same caller ID and need to send the actual extension of the caller who...