From: John Messina (john@area100.com)
Date: Thu Dec 11 2003 - 07:47:49 GMT-3
http://www.cisco.com/en/US/products/sw/voicesw/ps1860/products_tech_note
09186a0080094ed1.shtml
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Marko Berend
Sent: Thursday, December 11, 2003 5:18 AM
To: ccielab@groupstudy.com
Subject: SoftPhone - one way voice over VPN (good src addr)
Hi to all,
I am having trouble with Cisco SoftPhone over VPN. The voice is one way
only. I am not getting any traffic from the IP phone on the other end.
The scenario is this:
SPhone-------VPN----------->PIX-------->CM-------->IP Phone 7940
The IP address on the SoftPhone is correct in the SP network settings
(cisco.com says this is the solution but it isn't working still).
Everything works fine on the LAN.
From VPN I can ping everything, CM, VG, even the IP phone I am calling,
but I'm not getting voice traffic from it. When I sniff the traffic I
see that nothing is coming.
From CallManager I can verify that the SoftPhone is registered with the
correct IP address.
I have also tried modifying the MTU on the VPN client but to no avail.
CM is 3.1
SF is 1.3(3)
PIX 6.3(3)
VPN client 4.x (I've tried with 3.x also)
I suspect that the PIX is making my life miserable, but it is not
logical. It must be a bug.
Any comments or good ways to troubleshoot it?
Thanks
Marko
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