[cisco-voip] CUCM 6.1.1 MGCP QSIG to HiPath 4000

[gweissenfels at gmx.de]

Hello,

the cause of the unidirectional stream was a routing issue.

Solved!

regards
Gregor

-------- Original-Nachricht --------
> Datum: Wed, 27 Feb 2008 15:28:22 +0100
> Von: gweissenfels at gmx.de
> An: cisco-voip at puck.nether.net
> Betreff: [cisco-voip] CUCM 6.1.1 MGCP QSIG to HiPath 4000

> Hello Team,
> 
> following Topology:
> 
> CUCM6.1.1------ISR-GW-E1---(MGCP QSIG)----PBX Siemens HiPath4000------PSTN
> 
> We build a QSIG connection from a CUCM 6.1.1 environment to a Siemens
> HiPath 4000 via an 2811 ISR and an E1 interface. The gatewayprotocol is MGCP.
> 
> If we do a call from an IP Phone to the old PBX world, the phone of the
> called party rings and the calling name is displayed. Answering the call, we
> only got oneway audio (rtp). The called party in the PBX world is able to
> hear the calling party, but not vice versa.
> 
> Any ideas?
> 
> Thanks in advance!
> Gregor
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