[asterisk-users] cisco 7940 and asterisk 11

[Julian Lyndon-Smith]

very polite *bump*

this is a real issue for us - anyone got _any_ clues or ideas ?

Thanks ;)


On 12 February 2013 14:29, Julian Lyndon-Smith <asterisk at dotr.com> wrote:

> Ever since we upgraded to asterisk 11 we have had audio problems with
> our cisco 7940 phones.
>
> The problems manifest themselves by the conversation turning "robotic"
> or into silence (to the extent our agents are saying "hello? hello?"
> and the customer is saying "I hear you just fine"
>
> We had to change pedantic=no in sip.conf to allow the phones to register
>
> We are assuming that it is the phone<=>asterisk combination because
>
> a) the call recordings of the conversation are perfect (no noise on
> the line, conversation is clear) but it is apparent that the agent
> cannot hear the customer sometimes (Hello?)
>
> b) we have replaced the cables and switches between the phones and the pbx
>
> c) we don't have the same problem with Aastra 9133i or Polycom 331 phones
>
> Are there any settings in sip.conf that may help this , or a
> particular firmware ? Are there any known audio problems with cisco
> 7940 and asterisk 11 ?
>
> Many thanks
>
> Julian
>
> --
> Julian Lyndon-Smith
> IT Director, Dot R Limited
>
> "I don’t care if it works on your machine!  We are not shipping your
> machine!”
>
> The kangaroo dances: http://www.youtube.com/watch?v=MAWl5iYOaUg
>



-- 
Julian Lyndon-Smith
IT Director, Dot R Limited

"I don’t care if it works on your machine!  We are not shipping your
machine!”

The kangaroo dances: http://www.youtube.com/watch?v=MAWl5iYOaUg
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