Can someone drop me a sample configuration for an h.323 PSTN gateway?
We have a 2821 with 2 4xFXO ports on it. I have configured the gateway as per various examples, I can dial out, however dial in the system get's a fast busy as soon as the system answers (if i use connection PLAR) or I get constant ringing (if I use connection PLAR opx)
In traces the most I can see is some sort of an h.323 reason code 21.
I would simply use MGCP -- however the customer has CallerID
You need to make sure you bind the h323 traffic to an interface. For example;
interface faste 0/0
ip address X.X.X.X
h323-gateway voip interface
h323-gateway voip bind src X.X.X.X
Once that is done, you need to configure it in call manager as a h323 gateway with the correct CSS for inbound calls.
The next thing is to configure your dialpeers and voice ports. Here is an example. All calls from FXO port 1 should go to extension 3000. This extension 3000 is either a shared line or huntgroup in CM. Here is the basic voice-port configuration:
connection plar 3000
Now a dialpeer needs to be setup to match the extension that is being dialed so that it can be forward to Call Manager.
dial-peer voice 3000 voip
session target ipv4:X.X.X.X
and that is it. But again MAKE SURE CM GATEWAY DEVICE CONFIG FOR INBOUND CALLS is placed in the right CSS or else you get a fast busy no matter what you do.
If that doesn't help, please post your config. It will help in solving your issue.
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