FYI,

 

Follow the Quick Start Guide from Carrier Access to setup the CMG (Customer Media Gateway) Router card.  Follow the Asterisk mgcp.conf wiki page setup.  The only issue I had was with the CAC CMG card, it defaults to strict policy message exchange and dial-tone will not come across when you go off-hook on a FXS port.  To resolve this, get back into the CAC CMG configuration, goto:

-profile directory – router card setup – MGCP Configure – MGCP Interoperability Settings – (set) Parse Mode: Lenient

 

Either Carrier Access or Asterisk is not completely compatible with the RFC, but this seems to get the two talking together.

 

Hope this helps.

 

JR

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