2811 with FXS, MGCP secondary dial tone problem

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Apr 10th, 2009
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We have a 2811 with both a 4-port FXO and 2-port FXS card in it. For the FXO, I have H.323 configured to our CUCM cluster so that CLID works. I also enabled MGCP on the 2811 and have the FXS ports configured to register via MGCP. If I assign a DN to an FXS port, it rings. My problem is with oubound calls. If I dial a number from an analog phone connected to the FXS port, once I get a match in the CSS, I hear a click or two and then get a secondary dial tone. After a few seconds, the phone that I called will start rining. If I answer, the call is never passed through. I mirrored the MGCP config from a VG-224 that we have in service that works as expected. If I enable dial-peer debugging, I see a match to the auto-created dial peer with mgcpapp enabled. Any ideas?

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