Thank you Alan, Thank you Dale,
It seems we have a winning option here.
Regards,
Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
http://www.opensips-solutions.com
On 10.10.2016 17:09, Dale R. Worley wrote:
Bogdan-Andrei Iancu writes:
Yes, the CANCEL is received before sending the INVITE
Bogdan-Andrei Iancu writes:
> Yes, the CANCEL is received before sending the INVITE to the UAS.
>
> Technically speaking (as coding), we can do both - handle the canceling
> process in the proxy (200 OK to CANCEL and 487 to INVITE, without
> sending anything further to UAS) , or to delay the CAN
It is fine to cancel in the proxy alone. There are at least two relevant bits
in 3261; Section 9.2 says “a stateful proxy might respond to it and generate
some CANCEL requests of its own” … But you don’t need to send any CANCELs since
you haven’t sent anything out. And Section 16.10:
While a
Hi Alan,
Yes, the CANCEL is received before sending the INVITE to the UAS.
Technically speaking (as coding), we can do both - handle the canceling
process in the proxy (200 OK to CANCEL and 487 to INVITE, without
sending anything further to UAS) , or to delay the CANCEL until the
INVITE is se
Hi Bogan-Andrei,
To check your scenario: The CANCEL arrives from the UAC before the INVITE has
been sent out the proxy to the UAS?
CANCEL is a hop-by-hop message so ideally you would send back a 200 OK to the
CANCEL from the proxy and internally stop yourself sending out the INVITE
towards the