[Asterisk-Users] ATA186: SIP/2.0 503 Service Unavailable

[Rich Adamson]

> I have done my homework on this, I hope.
> 
> I have a customer with an ATA186 who uses Nufone as his IAX provider. 
> His network operations center in the Bahamas was destroyed by the 
> hurricanes, and I'm helping him rebuild.

I can help, but I think it might require being on site.

Just kidding; its 9 degrees above zero here in Nebraska. :(

Will need a little bit more then what you've provided to even guess
at the issue.

Have you executed a 'sip debug' and looked at the detail?