[asterisk-users] Is it possible to have two endpoints to the same IP address where one uses IP based authentication and the other requires asterisk to register to that system?

[Joshua Colp]

On Mon, Dec 18, 2017, at 12:04 PM, Dan Cropp wrote:
> Thanks George
> 
> I originally didn’t have the 1002@ for the identify.  Changed that when
> things were not working.  I changed it back.
> 
> Unfortunately, the system I am connecting with doesn’t seem to support
> the line support.  Looking at the SIP packets, I see Asterisk send it. 
> Unfortunately, they do not send the line information as part of the
> INVITE.  I checked with some developers of that system and they do not
> know anything about the line setting.
> Is there any rfcs I could refer them to?

"line" support doesn't have an explicit RFC. It relies on the remote
side sending back the contents of the registered Contact address as they
are supposed to when sending the INVITE. In practice some do, some
don't.

-- 
Joshua Colp
Digium, Inc. | Senior Software Developer
445 Jan Davis Drive NW - Huntsville, AL 35806 - US
Check us out at: www.digium.com & www.asterisk.org