Methods and systems relating to a communication in an Advanced Intelligent Network from a caller to a subscriber's directory number where the communication has been terminated to a voice mail system (VMS) instead having been terminated to the subscriber's directory number. The methods and systems transfer...http://www.google.de/patents/US7184535?utm_source=gb-gplus-sharePatent US7184535 - Methods and systems for releasing a voice mail system from a communication and further processing the communication
