[Freeswitch-users] No audio when using Cisco IP Phone 7942 with Freeswitch

[Ayobami Adewole]

The codecs in use in both cases is G711 ulaw, traffic capture using wireshark reveals that there was no rtp port negotiations, the reason for no audio, but if the 7942 initiates call port negotiation is done and audio is good. 

On Dec 17, 2015 11:09 PM, Moishe Grunstein <max at nysolutions.com> wrote:
>
> Can you check what codecs are being negotiated on a good and a bad call. 
>
> Thanks, 
>
> Moishe Grunstein 
> Tornado Computer Systems, Inc. 
> 212.400.7650 888.IPPBX.US 
> Service Request Email: support at nysolutions.com 
>
> Computer Networking * Managed Services * IP Video Surveillance * Network Assessments * Web Solutions * Voice over IP * Disaster Recovery * Network Security * Site Surveys * CMS 
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> -----Original Message----- 
> From: freeswitch-users-bounces at lists.freeswitch.org [mailto:freeswitch-users-bounces at lists.freeswitch.org] On Behalf Of ayobami 
> Sent: Wednesday, December 16, 2015 9:54 AM 
> To: freeswitch-users at lists.freeswitch.org 
> Subject: [Freeswitch-users] No audio when using Cisco IP Phone 7942 with Freeswitch 
>
> I have a Freeswitch installation with various models of IP phones, all models work fine except the 7942 model that when call is placed through to  from other models, there will be no audio. However, if the 7942 initiates call to any other model the audio is fine in both directions. The network is not behind NAT as other devices work fine on the network, what could be the problem,? 
>
>
>
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