[Asterisk-Users] Cisco 7960 earpiece speaker echo question

[Henry Devito]

NBX does it due to the proprietary protocol.
----- Original Message ----- 
From: "Jeremy Koski" <jayk at danner.net>
To: "Asterisk Users Mailing List - Non-Commercial Discussion" 
<asterisk-users at lists.digium.com>
Sent: Tuesday, April 26, 2005 11:56 PM
Subject: Re: [Asterisk-Users] Cisco 7960 earpiece speaker echo question


>
>
> Hmm..We currently have the 3com NBX system with VoIP which do echo back
> in the earpiece. I thought it might just be the Cisco phone itself.
> Hopefully soon I can test with some more Cisco phones to see if it is the
> phone itself, or something else.
>
>
>
>
> On Tue, 26 Apr 2005, Henry Devito wrote:
>
>> This echo is known as side tone it happens naturally on analog lines,  IP
>> phones usually do not provide this,
>>
>> Henry
>> ----- Original Message -----
>> From: "Jeremy Koski" <jayk at danner.net>
>> To: "Asterisk Users Mailing List - Non-Commercial Discussion"
>> <asterisk-users at lists.digium.com>
>> Sent: Tuesday, April 26, 2005 1:53 PM
>> Subject: [Asterisk-Users] Cisco 7960 earpiece speaker echo question
>>
>>
>> >
>> >
>> > Normally, when you speak into the receiver of a phone, you can hear
>> > yourself in the earpiece at a very low volume. I have a Cisco 7960 
>> > phone
>> > that I'm using with asterisk and I don't get that echo back on the
>> > earpiece speaker. I only have one Cisco 7960 phone, so I can't test it 
>> > on
>> > others right now.
>> >
>> > My question is...Is this normal, do I have a bad handset? Is a way I 
>> > can
>> > fix it?
>> >
>> > Thanks in advance.
>> >
>> >
>> >
>> > _______________________________________________
>> > Asterisk-Users mailing list
>> > Asterisk-Users at lists.digium.com
>> > http://lists.digium.com/mailman/listinfo/asterisk-users
>> > To UNSUBSCRIBE or update options visit:
>> >   http://lists.digium.com/mailman/listinfo/asterisk-users
>>
>> _______________________________________________
>> Asterisk-Users mailing list
>> Asterisk-Users at lists.digium.com
>> http://lists.digium.com/mailman/listinfo/asterisk-users
>> To UNSUBSCRIBE or update options visit:
>>    http://lists.digium.com/mailman/listinfo/asterisk-users
>>
>
> _______________________________________________
> Asterisk-Users mailing list
> Asterisk-Users at lists.digium.com
> http://lists.digium.com/mailman/listinfo/asterisk-users
> To UNSUBSCRIBE or update options visit:
>   http://lists.digium.com/mailman/listinfo/asterisk-users