[asterisk-users] Help choosing the right card

[Eric Wieling]

In my experience when you have "intermittent problems with incoming caller ID, FXS -- with DTMF detection" you have to adjust your rxgain and/or txgain.  I am NOT a fan of Digium cards, but these CallerID and DTMF issues are simple and solvable and not related to the card itself.

-----Original Message-----
From: asterisk-users-bounces at lists.digium.com [mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Vladimir Mikhelson
Sent: Saturday, June 16, 2012 5:37 PM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: Re: [asterisk-users] Help choosing the right card

Amit,

Make sure you have an option to return Digium TDM410P if it does not work for you.

In my experience Digium TDM410P produce substantial background noise on certain Dell computers.  Generic TDM400 do not have this issue.

On top of that  FXO channels exhibit intermittent problems with incoming caller ID, FXS -- with DTMF detection.  These two problems manifest themselves with both Digium and generic cards.  It looks like it is just a deficiency in the current DAHDI implementation.

-Vladimir


On 6/16/2012 7:04 AM, Amit Patel wrote: 

	I have been doing a lot of reading forums and elsewhere but am somehow unable to connect the dots.
	Here is what I am trying to accomplish initially and then wish for it to grow bigger from here on.
	
	I have two POTS (Analog) line that would connect to the Asterisk Box.
	I have, to begin with 5 IP phones (PoE), all connected to a switch.
	Asterisk Box with a LAN card also connects to the same switch.
	I wish to give out 5 ext to each IP Phone.
	
	Q) I am considering buying the TDM410p. Is this the right card for me ?
	T1/E1/Digital/Voip trunks atm are not available at my place.
	
	Q) Would Asterisk handle taking incoming calls via TDM410p and routing them via LAN card to the desired ext IP phone ?
	
	If yes, I would hit the 'Buy' button and start the journey.
	
	 
	
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