IPCENTREX

Computer software programs for delivering voice-data communications over local area networks (LAN), wide area networks (WAN), and global computer networks that enable single and multi-line telephony services, as well as self-provisioning, voice mail, and standard regulatory features, including call forwarding, call barring, call screening, speed dialing, legal interception, call waiting, call on hold, central generation of call detail records, and malicious caller ID