Hi, I'm testing sip trunking on Asterisk (v1.4.0-beta3) with various voip service providers and stumbled on this issue. This very well may be a known issue or something misconfigured in my extensions.conf/sip.conf files. The service provider requires registration and authentication. The asterisk is registered for incoming calls which work fine. Problem is with outbound calls from asterisk which the service provider authenticates (user/passwd already configured in config files and tested).
1. Asterisk sends INVITE to primary voip server service provider (SP) 2. SP responds with 302 redirect with secondary server as a contact 3. Asterisk re-INVITES to secondary server 4. Secondary server challenges with a 401 Unauthorized 5. Asterisk does NOT re-invite with the authentication fields even though they are configured properly. If Asterisk INVITE's directly to Secondary server and avoids the 302, asterisk properly autheniticates after the 401 and call goes thru succesfully (thats how I know the credentials work). Does anyone know if this is a known limitation (being fixed in the next beta version) or if this may be configuration related? Thanks, Mushtaq Ahmed 3Com Corporation
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