[SIPForum-discussion] About Sip Server

alexzhang at gdnt.com.cn alexzhang at gdnt.com.cn
Fri Aug 17 07:56:28 UTC 2007

Is the proxy stateless or stateful. If it is stateless, the ACK message
from the UAC may not go through it. A possible reason for the
disconnection is the UAC failed to get the ip address of the UAS.




From: discussion-bounces at sipforum.org
[mailto:discussion-bounces at sipforum.org] On Behalf Of Subashini
Sent: Friday, August 17, 2007 3:28 PM
To: discussion at sipforum.org
Subject: [SIPForum-discussion] About Sip Server

Hi All,
 I need a help from all of you.
I am calling between two voips through fwd.pulver.com(sip server) as FWD
in SIP.The called VOIP disconnects after sometime,since proxy is not
forwarding the ACK sent by calling VOIP to the called VOIP.Once the
calling Voip disconnects & sending BYE,The proxy is sending 404 user not
1.why proxy is not forwarding the ACK alone?
2.why proxy is sending 404 user not found eventhough the voip is
registered properly.
3.I need information about fwd.pulver.com like the configuration &
thanks in advance...


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