A system and method for improving the interoperability of communication system components using multiple audio encoding formats within a single talkgroup is provided. The system includes at least two base site repeaters, each of which may be configured to receive and process voice calls from communication...http://www.google.se/patents/US7983681?utm_source=gb-gplus-sharePatent US7983681 - System and method for enhancing interoperability between mobile communication system components using different audio encoding formats
