asterisk users - Jan 2005 - Adit 600 as VoIP router (MGCP) and Asterisk

Got at suggestion from CarrierAccess to use the Adit 600 as an VoIP router using
MGCP IP protocol, instead of controlling it through an E1.
Have anyone tried this configuration? How does MGCP works? I've tried to
search for it on Google, but I only find the protocol specification for it.
Is Asterisk fully capable of this? I can't find any documentatin covering
the use of MGCP in Asterisk.
My mission is still to transform one E1 (30ch) from the telco, into 30 FXS
channels, all via Asterisk. :)

Do anyone have a successful story about using MGCP with Asterisk?

Do I still have the full power of Asterisk even when using MGCP? I would like it
to be, like if I were using FXS PCI-cards localy in the server. :)

On Fri, 2005-01-21 at 09:06 +0100, Daniel Nystr?m wrote:
> Got at suggestion from CarrierAccess to use the Adit 600 as an VoIP
> router using MGCP IP protocol, instead of controlling it through an
> E1.
> Have anyone tried this configuration? How does MGCP works? I've tried
> to search for it on Google, but I only find the protocol specification
> for it.
> Is Asterisk fully capable of this? I can't find any documentatin
> covering the use of MGCP in Asterisk.
> My mission is still to transform one E1 (30ch) from the telco, into 30
> FXS channels, all via Asterisk. :)
> 
> Do anyone have a successful story about using MGCP with Asterisk?
> 
> Do I still have the full power of Asterisk even when using MGCP? I
> would like it to be, like if I were using FXS PCI-cards localy in the
> server. :)
30 channels of FXS on PCI cards currently would require 8 cards. Not
financially a good idea not to mention that if you stick to the 2 cards
per machine that you would be up to 4 machines just for those 30 ports. 

I don't know what the MGCP card costs for the ADIT. Compare it to the
cost of 1 or 2 T1 ports via Digium cards.  
-- 
Steven Critchfield <critch@basesys.com>

On Fri, 21 Jan 2005, Daniel Nystr?m wrote:
> Got at suggestion from CarrierAccess to use the Adit 600 as an VoIP router
using MGCP IP protocol, instead of controlling it through an E1.
> Have anyone tried this configuration? How does MGCP works? I've tried
to search for it on Google, but I only find the protocol specification for it.
> Is Asterisk fully capable of this? I can't find any documentatin
covering the use of MGCP in Asterisk.
> My mission is still to transform one E1 (30ch) from the telco, into 30 FXS
channels, all via Asterisk. :)
> 
> Do anyone have a successful story about using MGCP with Asterisk?
> 
> Do I still have the full power of Asterisk even when using MGCP? I would
like it to be, like if I were using FXS PCI-cards localy in the server. :)
One thing you will loose by going to mgcp is the very low latency you have 
on a pure tdm solution. Low latency makes echo supression a lot easier.

Peter

I have not used the adit 600 with asterisk, but have used it with a voip 
softswitch trunking via mgcp.  i currently have 5 fxs cards with 8 ports per 
card in an adit unit with a cmg card.  i think the price was like $3000 for 
the unit.  it works great but im about to take it out of service and replace 
with a 96 line adsl+pots unit from occam networks.  once i have done that, i 
plan to use it with our asterisk system.

setup of the adit was pretty easy, basically just tell it what the ip address 
of the mgcp server is.  you can do different codecs (even g729) and also 
change individual fxs settings (gain, attenuation, db level, etc).

on our softswitch, the setup was also just as easy and was basically nothing 
more than giving the ip address of the adit 600, the number of ports and the 
port naming scheme (aaln)

On Friday 21 January 2005 02:06, Daniel Nystr?m wrote:
> Got at suggestion from CarrierAccess to use the Adit 600 as an VoIP router
> using MGCP IP protocol, instead of controlling it through an E1. Have
> anyone tried this configuration? How does MGCP works? I've tried to
search
> for it on Google, but I only find the protocol specification for it. Is
> Asterisk fully capable of this? I can't find any documentatin covering
the
> use of MGCP in Asterisk. My mission is still to transform one E1 (30ch)
> from the telco, into 30 FXS channels, all via Asterisk. :)
>
> Do anyone have a successful story about using MGCP with Asterisk?
>
> Do I still have the full power of Asterisk even when using MGCP? I would
> like it to be, like if I were using FXS PCI-cards localy in the server. :)
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-- 
Chad Whitten
Network Administrator
neXband Communications
cwhitten@nexband.com
601-944-4801 Phone
601-944-4803 Fax

On Fri, 2005-01-21 at 09:40 -0600, Chad Whitten wrote:
> I have not used the adit 600 with asterisk, but have used it with a voip 
> softswitch trunking via mgcp.  i currently have 5 fxs cards with 8 ports
per
> card in an adit unit with a cmg card.  i think the price was like $3000 for
> the unit.  it works great but im about to take it out of service and
replace
> with a 96 line adsl+pots unit from occam networks.  once i have done that,
i
> plan to use it with our asterisk system.
Occam has a 96 line pots product?  I have been testing Occams for some
time , curiously I was going to get the MGCP option for my Adit 600 to
test with, the Occams are a bit flaky and this makes me nervous and they
only support g.711. I wish I could find a similar product with SIP
instead of MGCP, Asterisk MGCP support has kind of fallen behind the
other protocols.

Regards
Michael Baird