On 07.10.2020 21:15, Jeff Pyle wrote:
At call time:
$ct = <sip:[email protected]
<mailto:sip%3A%[email protected]>>
$ct.fields(uri) = sip:+12162450000@[PUBLIC_IP]:8490
Am I expecting the wrong thing?
Absolutely not. You actually discovered an interesting, wacky effect of
fix_nated_contact(), which does an in-place replacement of the private
Contact with the public IP that has sourced the INVITE. However, the
original header pointers and data still stay unchanged (!!), hence why
each variable now returns different pieces of data...
To mitigate this effect, just make a backup of that $ct.fields(uri)
value earlier in the INVITE processing, before calling fix_nated_contact().
The only difference between $ct and the registered Contact is that $ct
is wrapped in <>. I wrote a nasty regex to strip the <> characters
and it works with is_contact_registered(), at least from this phone.
Probably $(ct{nameaddr.uri}) would have gotten the job done as well,
however I'm not so sure it's equipped to ignore Contact header field
parameters -- which makes the regexp-based approach more solid.
--
Liviu Chircu
www.twitter.com/liviuchircu | www.opensips-solutions.com
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