July 2017
Intermediate to advanced
434 pages
12h 59m
English
Our Internet Telephony Service Provider (ITSP) will send the calls incoming from DID numbers to us on our "external" SIP profile (port 5080 in demo configuration) . We will send to the ITSP outbound calls in need of a SIP routing to the external world, using the "external" SIP profile. In dialplan we will use a SIP "gateway" syntax that refers to the authentication needed by our ITSP to accept our outbound traffic.
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