[OpenSIPS-Users] can't get is_contact_registered() to return true
liviu at opensips.org
Thu Oct 8 07:56:59 EST 2020
On 08.10.2020 00:42, Jeff Pyle wrote:
> The registered contact of a user is
> "sip:+12162454107 at 192.168.201.123:4135;rinstance=946433DE". When I
> place a call from that user, its INVITE's Contact is
> "sip:+12162454107 at 192.168.201.123:4135
> is_contact_registered() fails. Is that caused by the lack of the
> rinstance param, or something else?
Indeed, the matching now fails strictly because of that extra chunk:
";rinstance=946433DE". According to the RFC 3261 URI matching rules,
they are indeed different contacts.
However, if you really want to go the extra mile and tolerate those
inconsistent INVITE Contacts (with the missing URI params) by somehow
still matching them against Contact URIs with the params, I don't see a
clean solution *)
*) of course, you could use the local cache and store a
"non-param-Contact: full-Contact" key-value pair on each REGISTER.
During INVITE processing, you would use the cache to look up and "fix"
any non-param-Contact with its proper value, buffered in the local
cache. However, it's still a hacky solution: what if you restart the
registrar? Then, for a while, some INVITEs won't route out because the
Contact conversion won't work until they re-register and populate the cache.
www.twitter.com/liviuchircu | www.opensips-solutions.com
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