Conceptually, To tags are governed by the UAs, not the proxy, so, like
most fundamental elements of SIP messages, the proxy has no business
removing them. :-)
On 10/21/2016 05:41 PM, Daniel Zanutti wrote:
Hi
Short:
Do you guys see any problem on removing the to-tag of all 1XX messages?
Long description:
If user A calls number 2222. Opensips forward to gateway B which replies
with 183 session progress, then refuses with 503.
Opensips then call gateway C which replies with 183 then 200 OK.
User A now is using to-tag from gateway A and not from gateway B and I
have an unexpected result on subsequent messages.
Do you guys see any problem on removing the to-tag of all 1XX messages?
Thanks
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Alex Balashov | Principal | Evariste Systems LLC
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