search for: sipproxyserver

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2004 Jul 08
5
Using Cisco AS5350 as pstn GW .. one-way audio problem
Hi all. I have a strange problem, I've got a AS5350 hooked up to a telco using two trunked E1's The 5350 should only act as a GW to a sipproxyserver. THe thing is it seems to be only oneway audio? There are no firewall at all, and the audio still only get one-way When I call from pstn --> as5350 --> sip-sip-phone I can here the sip-phone ,, but the sipphone cannot her the pstn-phone. What could be the reason for this ? /Mike