Hi,

please first post a ngrep of the call from the server. Definitely there is something related to ACK - either routing, either some device error, but only the network trace can tell this.

regards,
bogdan

raviprakash sunkara wrote:

Hi Bogdan,
Goodmorning,
Please forgive in My english,..........

I install the openser server ( with public ip as xx.xxx.xxx.xxx. ) and the System ip ( private ip openser) is 192.168.2.2 <http://192.168.2.2> which is located In some other place for UAs. And SIP_Domain as xx.xxx.xxx.xxx.

I installed the X-lite 3.0 and testing with that only...

Missed calls and Ignore calls are working fine........Here ACK is working,

When the softphone Rings , and lefted up , after 32 seconds the callee is hunging ups and Caller is still in establishing the call ( not hung up) Problem in , After the Invite request send , then it will to send ACk to callee , to maintain the session alive ,

For example :- UA1 ( caller) -------------------> UA2 (callee ) ::::::::::::::-----------> Both are in OutSide the NAT , in other network ) Here Callee is Hungs up the calls automaticall,

IS the Problem in Router logic or in Router (Switches ) where is openser located , or where X-lite is there.
Router ( switches) is  stoppning the ACK ,



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