22 Apr
2004
22 Apr
'04
1:19 a.m.
I don't think SER and SEMS supports any directly attached PRI cards. It
is a SIP Proxy registrar, designed to deal with gateways (and Asterisk
could be a gateway).
However, I don't think that Asterisk makes a very cheap gateway. Once
you factor in the cost of the card, the G.729 codec license, and a fast
enough computer to do the coding (since the T1 card does not contain any
DSPs), it doesn't seem so cheap anymore. And you'll end up with a gateway
which doesn't support VAD/CNG or G.723 either. A used Cisco 2621 with a
HDV card starts to look good. You get dedicated DSPs for coding, and
support for a variety of different CODECs. Plus working VAD/CNG.
Tom
On Wed, 21 Apr 2004, Richard wrote:
Hi Juha,
Can you please elaborate the missing features? If we
want to avoid buying the expensive cisco gw, what's
the cheap PRI(T1) supported in sems?
Thanks,
Richard
--- Juha Heinanen <jh(a)tutpro.com> wrote:
Tony Lum writes:
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Has any one done using Asterisk/Digium T1 card as
PSTN gateway, and SER as
the backend soft switch?
yes, you can do it, but at this point asterisk lacks
many important
features that are present for example in cisco gws.
-- juha
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