Hi All,

As all of you are working in Voip.
I am bit confused regarding a situation.
If you find some time please let me know.

Phone A  ->Linksys Pap2->  ADSL2+Modem/Router ---------> B2B Proxy <-------
ADSL2+ Linksys Pap2  phone C
Phone B


In sip Registration request i am getting Restricted Cone NAT Detected at my
B2B proxy end.
1) Some times just single phone gets registered in situation Phone A and
Phone B.
2) When I saw the capture I found that proxy is sending the RTP to specified
port  given by the phone A in INVITE Message with SDP Details. Here I saw
that My proxy is changing its port when I sends the rtp to Phone but if it
is restricted Cone then rtp should be forwarded to the phone by router.

Still one way voice is passing.
Help me to solve this problem.

Regards,
Vikas
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