Troubleshooting Rejected Because Extension Not Found; Failing Inbound From Itsp; Failing Inbound From Pstn - Cisco SPA8800 Configuring

Configuring the Cisco SPA8800 IP Telephony Gateway in an Asterisk Environment

Troubleshooting Rejected Because Extension not Found

Failing Inbound from ITSP

*CLI>
[May 20 10:06:45] NOTICE[16549]: chan_sip.c:13865 handle_request_invite: Call from
'3615551212' to extension '3615551212' rejected because extension not found.
The above message can be a result of incorrect inbound call routing in the extensions.conf file
when using Broadvoice.com as an ITSP. Instead of the following in the [itsp1] context:
exten => 101,1,Dial(SIP/101,25,Ttr)
Change to:
exten => 3615551212,1,Dial(SIP/101,25,Ttr)

Failing Inbound from PSTN

[Jun 3 17:34:37] NOTICE[31613]: chan_sip.c:14035 handle_request_invite: Call from
'pstn3' to extension '101' rejected because extension not found.
This indicates that an inbound call to the port named pstn3, is being routed to extension 101.
Looking through extensions.conf and sip.conf, all is normal, yet the inbound call does not ring on
extension 101. The problem in this scenario is that the SPA8800 Line N's dialplan has been
incorrectly configured and is routing the call to extension 101 while extensions.conf is routing the
call elsewhere. Correcting the dialplan on the SPA8800 and then saving the configuration solved
the problem.
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