1 Jul
2003
1 Jul
'03
12:19 a.m.
At 12:23 PM 6/30/2003, Reinhard Hainz wrote:
I think that SIP-Phones (Cisco 79xx, ATA186, ...) take
a SIP Answer 183
(Session Progess) as 180 (Ringing) and the cisco gw does not do this.
Every call initiated by our cisco gw sends 183 (never 180).
With our cisco gw, it depends on the final PSTN destination. We sometimes
receive 183 (our PBX, intn'l), sometimes 180 (cell phone number).
With hairpinning we send 183 (comming from the gw) back
to it, but the gw
does not interpret this as Ringing.
I retried now and both 183 and 180 worked with hairpinning. We are using
(C2600-IS5-M), Version 12.2(15)T2.
-Jiri