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Outbound call from FXS port using MGCP

I am having trouble making a call to the PSTN from an FXS port on a 2821 MGCP gateway to CallManager 4.1(3)sr1. I can call from IP phone to Analog phone and vice versa. I can also call into the analog phone from the PSTN, but as soon as I dial 9, I get a fast busy. Anyone have any ideas?

4 REPLIES

Re: Outbound call from FXS port using MGCP

Check the Calling Search Space on the FSX port and on the DN assigned to the port.

Brandon

Bronze

Re: Outbound call from FXS port using MGCP

Thx for the reply. The CSS on the port and DN are good. Like I said I can call into the DN just fine from the PSTN, it is the outbound that is getting me.

Re: Outbound call from FXS port using MGCP

This would be the case if the CSS could not access a partition which contains a route pattern to access the PSTN. The CSS would not affect incoming calls. Is the CSS assigned to this port/DN the same as another phone/port which can access the PSTN?

Bronze

Re: Outbound call from FXS port using MGCP

Try Dialed Number Analysis (DNA, it's a ccm plugin) to check if CSS and Route patterns are configured correctly.

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