[asterisk-users] Need some input for Quad T1 and channel banks.

[Doug Lytle]

Al lists wrote:
> I'm looking to install a system with 80 FXS analog phones.

Each channel bank can handle 48 analog channels, 2 PRIs per box.


> as far as i know, addit 600 T1 interface is not PRI (please correct me 
> if i'm wrong) its CAS robbed bit, will that work with new Digium quad 
> T1 like TE410P ?( I prefer to use Digium if possible)

This is incorrect.  I've got ours setup at a PRI.  esf, b8zs.


> The system is connected to the Telco through SIP trunk so all we have 
> in terms of analog is local loop, Do we need to have echo cancel in 
> this scenario ?
>

I'd say anything with analog will need EC.  If you can afford it on a 
quad card, I would.

Doug


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