1. Access to the Supervoice service and registration of the Supervoice Trunk is provided using TLS.
2. Create a new SIP Trunk in your PBX using the following peer details replacing the fromuser and username field with your id and the password that was sent from you via SMS:
The register String should be the following:
3. Login to your asterisk CLI and type:
sip show registry
if the registration is successful the PBX will return an output similar to the one below:
Host dnsmgr Username Refresh State Reg.Time
sip.supervoice.eu:5060 N 10000105 Registered Mon, 06 Feb 2017 16:21:28
Finally, Asterisk PBX should have TLS enabled and as it works as a client it should not check the authenticity of TLS certificates.
So you need to go to the file /etc/asterisk/sip_ custom.conf to enter the following lines to save it and perform "core reload" from Asterisk CLI.