A multi-service communication system and method is disclosed which permits the integration of traditional PSTN functions and voice-over-IP/voice-over-data (VOIP/VOD) functions within the same communication system. The extension of scripting functions to support these features in general simultaneously...http://www.google.ca/patents/US6654456?utm_source=gb-gplus-sharePatent US6654456 - Multi-service communication system and method
