Troubles with voicegateway - cannot hear incoming voice

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Jun 17th, 2009
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i have 3 BRI on my voice-gw (2800 Software (C2800NM-SPSERVICESK9-M), Version 12.4(15)T1).

when i place a call, the called can hear may voice, but i cannot hear his voice.

I have other voicegw with the same IOS and configuration, but this problem doesn't appear.


sometimes appears this warning:


*Jun 16 14:50:19.906: %MARS_NETCLK-3-HOLDOVER: Entering Holdover for Controller BRI0/0/0

*Jun 16 14:50:30.154: %MARS_NETCLK-3-HOLDOVER_TRANS: Holdover timer exceeded for Controller BRI0/0/0

*Jun 16 14:50:30.154: %MARS_NETCLK-3-CLK_TRANS: Network clock source transitioned from priority 1 to priority 2

*Jun 16 14:50:42.662: %MARS_NETCLK-3-CLK_TRANS: Network clock source transitioned from priority 2 to priority 1


what does it mean?

can someone help me to find out a solution??

thanks

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KonradStepniewski Wed, 06/17/2009 - 01:39
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Are you sure RTP stream from this gateway can reach your phone? One way voice issue very often means filtering somewhere between endpoints.

JustForVoice_2 Wed, 06/17/2009 - 03:00
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try to ping the phone from the router.


I think you will not get reply. when you have one-way voice you should think about the connectivity. maybe there is no route from the voice gateway to the IP phones, or firewall, or something like this.

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