[OpenSIPS-Users] dialog topology_hiding 481 error

hart323 free.aaa at gmail.com
Mon Jun 25 09:36:51 CEST 2012

Hello all!

I have a problem:

UA1 <-> Proxy <-> Opensips <-> UA2

1. UA2 send INVITE for UA1
2. Opensips create dialog and do topology hiding
3. Sessions UA1 -> Proxy and UA2 -> Proxy established OK
4. Now Proxy do reinvite to both sides
5. When this reinvite goes to UA2 through Opensips it does contain all the
valid dialog info like tags, did and so on, but have no URI parameter
'user=phone' in FROM and TO headers that were before when dialog was
created, so UA2 respond 481 call leg/transaction does not exist.

All requests and responses before reinvite have user=phone in them.

What can I do with this?! 

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