[Asterisk-Users] What Media Gateway (connected via SS7) do you use

[Heidi Mendoza]

Hello on Behalf Of idont know,

Sangoma has a Media Gateway solution via SS7.  They I
believe are the only ones capable of connecting
Asterisk via SS7.  You may want to check them out.

Heidi 

-----Original Message-----
From: asterisk-biz-bounces at lists.digium.com
[mailto:asterisk-biz-bounces at lists.digium.com] On
Behalf Of idont know
Sent: April 6, 2006 10:29 AM
To: asterisk-biz at lists.digium.com
Subject: [asterisk-biz] What Media Gateway (connected
via SS7) do you use

Hello everyone,

I am doing some research for my company (which does
not want to be named therefore the gmail. I am sorry
for that) which carrier grade media-Gateways
(read: _not_ asterisk with chan_ss7 or ss7box, etc. *)
are used by others to connect their asterisk (or any
other SIP-Proxy,
- Router, -PBX, etc.) to the PSTN via SS7.

We are currently looking for something that can be
connected via SS7 in Europe, scales good (i.e.
starting with 4-E1s, but with no limits to add
more) and supports

* SIP ;)
* G711, G723 and G729 A/B Codecs
* Echo Cancellation
* VAD
* CNG
* T.38
* Modem Bypass
* DTMF-Transmission using RFC2833 or In band (for
G711)  and preferably even SIP-INFO


I would love to hear which system you use/prefer and
what your experiences are ( i.e. would you buy the
system you use a second time) and if I forgot
something in my requirements that in your eyes is
crucial. If you don't want to/can name your company
that's fine with me (as I can't either), I just need
some opinions.

Bye,

K

* chan_ss7 or ss7box, etc. do not work because they
will not scale and/or adding more channels in hardware
will result in having to shut down the system which is
not tolerable.
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