A method for providing a push-to-talk proxy media service includes receiving a plurality of monitored push-to-talk communication streams over a high bandwidth connection and mixing the plurality of monitored push-to-talk communication streams into a mixed communication stream. The method also includes...http://www.google.de/patents/US20070105579?utm_source=gb-gplus-sharePatent US20070105579 - Method and system for providing a proxy media service
