Hi Kum,
have you checked if the IPs/ports in SDP are correct and if there is any
RTP traffic for them? Run this check on the NAT device where A&C&D are
hooked.
regards,
bogdan
kyneoh(a)dallab.com wrote:
Hello all,
Ive been having a problem i cant seem to figure out, and i can see from
various Google and list searches that i havent been the only one having
this, but havent been able to find a solution yet for more than 3 weeks.
Ive a bit frustrate to solve current problem.
Ive got 4 UAs here. User agent A & C & D are located under WLAN, and user
agent B located in the same LAN as SIP server and STUN server.
User agent A & C connected to a restricted NAT that used STUN server to
discover its own public IP.
User agent A & C are mobile phone. (OS : window mobile 5.0)
User agent D is softphone install in laptop. (OS : window XP)
When calls gets sent from Box A to Box C (remote) i get a problem with the
one-way audio(incoming caller can hear my voice, but i cant hear them).
While, calls from Box A to Box D was successful.
Both calls are form the same structure, how come calls work on A to D ???
(D)
|
(A)-----[NAT]-----------[NAT]---------------[SIP Proxy]-----(B)
| |
(C) [STUN server]
*** SIP server and STUN server have assigned different public IP adress.
SIP server : OPENSER + RTP Proxy in OPENSUSE Linux.
Box A, C : Ageet softphone.
Box B ,D : X-Lite softphone.
Hope some of you out there are able to help me out a bit, its getting a
bit annoying not being able to hear people calling me.
Regards,
Kum
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