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× Questions about D-110P 1 Span E1/T1/J1 Interface Card

Hardware echo cancellation

13 years 3 months ago #6832 by leiw
Hello,

I'm planning to buy a T1 card with hardware echo cancellation to install on Dell T610 server,
is it need to install Hardware echo cancellation? or do not need?

Thanks !
13 years 3 months ago #6833 by Jessie.liao
HI,
If you buy the hardware EC module,you should insert the module on the card.
And you only need set echocancel=yes in chan_dahdi.conf or zapata.conf to open it.
But you should comment echocanceller in /etc/dahdi/system.conf or /etc/zaptel.conf.

13 years 3 months ago #6834 by leiw
I think you mean look like this, right?

fxoks=1
#echocanceller=oslec,1
# channel 2, WCTDM/0/1, no module.
# channel 3, WCTDM/0/2, no module.
fxsks=4
#echocanceller=oslec,4

# Global data

loadzone = us
defaultzone = us
13 years 3 months ago #6835 by Jessie.liao
Yes.
Using T1 card should comment the echocanceller.

13 years 3 months ago #6838 by leiw
Hello,

I'm newbie on T1 card, could you explain how to setup on extension ?
Thanks !
13 years 3 months ago #6839 by Joe.Yung
Hi Leiw,
I suppose you wanna set a SIP phone.

Go to file /etc/asterisk/sip.conf and add these lines to the end of it.

[8088]
type=friend
username=8088
secret=8088
host=dynamic
context=from-internal

After that, I suggest you set a simple dialplan for outgoing. Normally, forward to file /etc/asterisk/extensions.conf, and increase these lines below to the end of this file.

[from-internal]
exten=>_X.,1,Dial(dahdi/1/${EXTEN}) // the first 1 means the first priority, and the second means from 1st channel to outside. You can customize which channel you want.
exten=>_X.,n,Hangup

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