08 Jan 2002US6337899%inc1% Speaker Verification For Authorizing Updates To User Subscription Services Received By An Internet Service Provider (isp) Using An Intelligent Peripheral (ip) In An Advanced Intelligent Network (ain)
21 Aug 2001US6278704Extended Telephone Services Via Telephone Lines Shared For Standard Telephony And Internet Access
25 Apr 2000US6055306Suppression Of Call Answer Supervision In A Telephone Network By An Intelligent Peripheral
22 Apr 1997US5623695System For Communicating Concurrently With Multiple System Facilitates Through A Single Application Programming Interface Utilizing Look-up.
