asterisk users - Aug 2005 - Calls from Asterisk to CallManager 3.0 how?

Hello all

We succesfully added a H323 Gateway to our CallManager 3.0 that resides in
Mexico and were/are able to make calls from CallManager SCCP phones to the
Asterisk Server phones in the U.S.; however, we have not been able to call from
Asterisk server in U.S. to CallManager phones in Mexico

Here is what we tried: 

1. Adding a Gatekeeper into CallManager and then have Asterisk (and also stand
alone softphone) send calls thru the gatekeeper. That didn't work. The
gatekeeper was never found. I am sure we configured something wrong, but not
sure what. So we need help with this is this the correct/one of the approaches?

2. Using the same gateway that is currently working to make calls from
CallManager to Asterisk. That didn't work either.

I found severals threads on lists.digium.com and elsewhere that talked about
succesfully doing the same thing I am trying to do, but no details as how to
doit. So, if anybody can give me a clue as how to do this it would very much be
appreciated. I also found information on cisco website detailing how to add h323
gateways and gatekeepeers to CallManager but again no luck.

By the way, the calls that are made from CallManager phones in Mexico to
Asterisk server in U.S. were so far of optimal quality, even though the test
calls made were from from phones in the U.S. connected to the CallManager Server
in Mexico. I was surprised how good they sounded. I even routed some calls to
the PSTN using the XP100 clone and they sounded excellent.

Since I seem to be clueless as how to approach this problem, I am not sure what
other information I need to provide in order for anybody to help.

I would post results back later regardless of outcome, but would like to make
this work

thanks to all in advance
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