[Asterisk-Users] Strange T1 Problem

[Steven Critchfield]

On Thu, 2004-04-15 at 17:18, Mike Machado wrote:
> When people call into my * box over the T1 interface, they get no ring
> tone. It rings the SIP phone and when the SIP user picks up, both
> parties can hear each other ok, its just the PSTN user calling in hears
> no ring. What could be causing this?
> 
> I tried setting immediate to yes in zapata.conf, but that causes my DNIS
> and CallerID to stop being available.
> 
> T100P with E & M Wink start signaling, all 24 channels are inbound
> channels (no channel bank or anything like that) to SIP ATAs. The ATA is
> sending a 180 Ringing reply to the invite, but still no ring. Same
> symptoms with different vendor ATA devices.

Explicitly answer the line. If that doesn't handle inband audio, there
is a r flag to dial. This was discussed very recently. 
-- 
Steven Critchfield  <critch at basesys.com>