Voice mail

Voice and data communications handbook

Regis J. Bates

1995

Voice and data internetworking

Gilbert Held

1999

Jeff, one lonely guy

Jeff Ragsdale

2012

Voice Interaction Design

Randy Allen Harris

2004

Telephone toll fraud

United States. Congress. House. Committee on Energy and Commerce. Subcommittee on Telecommunications and Finance.

1992

Handbook of Electronic Messaging

Nancy Cox

1998

A PC based voice messaging system (VMS)

S. V. R. Anand

1990

A voice mail system on Intel's open NET LAN

V. Jayasimha

1991