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I cannot get Twilio Elastic SIP Trunking to work as a SIP provider for my 3CX install (v15, linux).
I have 3CX setup and working with Flowroute and it has been working fine for over a year. We want to move our SIP trunking to Twilio Elastic SIP Trunking, because of the price and the extensive development platform. I have been following the guide here: https://www.twilio.com/resources/images/docs/3CX-Twilio.pdf
I can receive inbound calls but run into 2 issues:
Thanks in advance!
I have 3CX setup and working with Flowroute and it has been working fine for over a year. We want to move our SIP trunking to Twilio Elastic SIP Trunking, because of the price and the extensive development platform. I have been following the guide here: https://www.twilio.com/resources/images/docs/3CX-Twilio.pdf
I can receive inbound calls but run into 2 issues:
- Calls inbound only have one-way audio. I can hear the caller but the caller cannot hear me.
- Outbound calls result in "403 Forbidden" when using just IP Based Authentication and "Destination is not reachable" when using Account Based Authentication.
Thanks in advance!