Hello,
I'm using OpenSIPS as a proxy in front of another proxy. The 2nd proxy
is in charge of authenticating the request.
This is the callflow:
Alice OpenSIPS Proxy#2
| INVITE | |
|--------------->| INVITE |
| 100 Tring |--------------->|
|<---------------| 407 |
| |<---------------|
| | ACK |
| |--------------->|
| 407 | |
| X<---------| |
| | |
Since OpenSIPS does not retransmit 401/407, the call setup gets stuck.
What can I do ?
If I set auto_100trying=1, that works, but this increases the number of
INVITE retransmissions since 180Ringing are not received instantly.
Do you have any suggestion ?
Thanks,
Yannick
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