Re: [Iaxclient-devel] Bad audio on IAX Phone <--> Cisco 7960 Call?

[Steven S. <ss...@so...>]

Actually the IAX Phone end sounds fine.  Only the Cisco side sounds 
bad.  No jitter buffer enabled.

Adam Hart wrote:

> Both ends? any differences in ethereal? jitterbuffer off?
>
> Steven Sokol wrote:
>
>> I seem to have hit a problem with calls between users on IAX Phone 
>> and the popular (and expensive) Cisco 7960.  The audio quality is 
>> TERRIBLE.  Broken up, ragged sounding.  It makes no difference which 
>> codecs I use on either end (this is an experimental version of IAX 
>> Phone with multiple codecs).  The same problem seems to occur with 
>> iaxComm and Firefly as well.
>>
>> It ONLY appears to happen with the Cisco.  My other SIP phones (a 
>> Grandstream BT101, a Uniden, an ACT, a Sipura and an ariaVoice) all 
>> work just fine with the incoming audio stream from an IAX Client device.
>>
>> It also appears to be a problem with iaxClient calls, as IAX2 calls 
>> Asterisk-to-Asterisk sound fine.
>>
>> Can anybody else out there with a Cisco 7960 set up and test this?  
>> Here's my current configuration:
>>
>> Cisco 7960 w/ SIP Image 7.1.00
>> Asterisk Stable-1.0.1
>> IAX Phone (any version) or iaxComm soft phone
>>
>> Please let me know if you've seen this before or if you can reproduce 
>> it.
>>
>> Thanks,
>>
>> Steve
>>
>> P.S. - A multi-codec version of IAX Phone will be out soon.
>>
>
>
>
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