[cisco-voip] 7841 SIP Phone audio issues on some calls

Ryan Huff ryanhuff at outlook.com
Tue Mar 10 09:38:53 EDT 2015


is the MCB onnet or offnet?

Thanks,

Ryan 


> Date: Tue, 10 Mar 2015 08:20:16 -0500
> From: erickbee at gmail.com
> To: cisco-voip at puck.nether.net
> Subject: [cisco-voip] 7841 SIP Phone audio issues on some calls
> 
> Anyone noticing problems on 7841 SIP phones when calling outbound with
> a SIP provider?
> 
> When we call Microsoft Conference bridge it connects but we can't hear
> the bridge.
> It works fine from a SCCP phone on same Call Manager and same SIP trunk.
> All other calls work on the 7841 outbound.
> 
> CUCM Version 10.5.1.10000-7
> 
> Firmware: sip78xx.10-1-1SR1-4
> 
> Thanks
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