[Asterisk-Users] Echo in CAPI channels

[Steve Totaro]

:-)

----- Original Message ----- 
From: "Robert Rozman" <rozman at fri.uni-lj.si>
To: "Asterisk Users Mailing List - Non-Commercial Discussion" 
<asterisk-users at lists.digium.com>
Sent: Friday, October 29, 2004 11:32 AM
Subject: Re: [Asterisk-Users] Echo in CAPI channels


> Please keep us posted on progress. There are more users watching you :-).
>
> Regards,
>
> Robert.
>
> ----- Original Message ----- 
> From: "Derek Conniffe" <derek at rivertower.ie>
> To: "Asterisk Users Mailing List - Non-Commercial Discussion"
> <asterisk-users at lists.digium.com>
> Sent: Friday, October 29, 2004 5:08 PM
> Subject: Re: [Asterisk-Users] Echo in CAPI channels
>
>
>> Hi Peter,
>>
>> Ah yes - I get you now - sorry for misunderstanding and I think you've
>> hit the nail on the head.
>>
>> I have a couple of budgetones and a Cisco 7940.  I do have a few FXS
>> cards so I'll have to put one in the * server and see if there is no
>> echo when I talk to someone on a remote POTS line - I'd say the "echo"
>> will be gone.  For sure the echo I get is quick (and it could easily be
>> 1/10th of a second which is about the time that you are suggesting).
>> I'll also have to play with the capi.conf echo options and see if I can
>> remove the echo that way.
>>
>> Thanks,
>>
>> Derek
>>
>> Peter Svensson wrote:
>>
>> >What do you have in your end was what I meant. What do you talk in? An
>> >isdn phone? A pots phone? Those are really the only two options where 
>> >you
>> >do not have an added delay (actually, the zaptel cards add 1ms delay if
>> >the call is cross-connected between cards). If you use a voip technology
>> >phone such as a softphone or a hard ip phone you will have at an 
>> >absolute
>> >minimum an additional 40ms round trip time, but more realisitcally twice
>> >that at least. That moves the echo from the sidetone to actually being
>> >perceived as an echo.
>> >
>> >Peter
>> >
>> >
>>
>>
>>
>> Derek Conniffe
>> Rivertower Ltd
>> DDI: (Local Ireland) 01 201 0146 (International) +353 1 201 0146
>> Mobile: (Local Ireland) 086 856 3823 (International) +353 86 856 3823
>> Main Line: (Local Ireland) 1890 45 70 74 (International) +353 1 201 0180
>> Fax: (Local Ireland) 01 201 0085 (International) +353 1 201 0085
>> Email: derek at rivertower.ie
>> Web: www.rivertowerhosting.com
>>
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