[Asterisk-Users] ISDN, AVM C4, HFC-cards and echo

[Robinson Tim-W10277]

I have 2 HFC cards.  There is no echo.  If you use the bri-stuff drivers
they use the native zaptel echo cancellers.  And I have no echo. None.

Rgds
Tim
-----Original Message-----
From: asterisk-users-admin at lists.digium.com
[mailto:asterisk-users-admin at lists.digium.com] On Behalf Of Peer Oliver
Schmidt
Sent: 08 July 2004 08:47
To: asterisk-users at lists.digium.com
Subject: [Asterisk-Users] ISDN, AVM C4, HFC-cards and echo


Hello,

I've been using * for quite a while using AVM C4 card and a few 
Grandstream Budgetone 102 hard phones plus couple of HandyTone 286.

Echo is a big problem. I am getting used to it, but some users complain.

Anyone has experience w/ regards to echo comparing the AVM C4 with two 
HFC-cards? Before shelling out time and money, maybe someone else 
already has done so, and could tell me if it is wortwhile. I only need 
four B-channels, so two HFC cards should be all I need.

Any help, pointers and tips are greatly appreciated.

Thanks for your time.

rgds
pos

PS: Current CAPI.CONF settings:
[general]
nationalprefix=0
internationalprefix=00
rxgain=0.8
txgain=0.8

[interfaces]
msn=123456
echosquelsh=1
incomingmsn=*
controller=1
softdtmf=0
context=default
;echocancel=yes
;echotail=64
;deflect=12345678
devices=2
callgroup=1
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