How can I remove the "sip:+" (sip plus) prefix from incoming numbers? The number is being cached on my phone, and is an illogical format, so I cannot call that number back.
How to Remove SIP or Plus Prefixes from Incoming Calls on FreePBX
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How can I remove the "sip:+" (sip plus) prefix from incoming numbers? The number is being cached on my phone, and is an illogical format, so I cannot call that number back.
Best Answer
There are two steps needed to fully remove the "sip:+" prefix...
Removing the Plus Prefix
FreePBX includes a "context" which strips all but the final 10 digits from the CID string. There are several other threads out there, which say to create a custom context, but this is not necessary. On your inbound route, if you change this...
... to this ...
... incoming numbers will be the 10-digit format, which generally works fine in the US.
Removing the SIP Prefix
At least in the Polycom world, the SIP prefix is used in conjunction with URL Dialing. Disabling this feature will cause the "sip:" prefix to not be transmitted to the phone. Here's how it's done for Polycom units...
A few notes on this...