Need information on the asterisk port

I need to know what the codec nego patch thats in the port I
neeed to know 
whatthe patch fully does and the need for it?

_______________________________________________
--Bandwidth and Colocation Provided by http://www.api-digital.c
om--

Asterisk-BSD mailing list
To UNSUBSCRIBE or update options visit:
   http://lists.digium.com/mailman/listinfo/asterisk-bsd