The terms "IP telephony" and "voice over IP" (VoIP) are synonymous. However, the term VoIP is widely used for the actual services offered (see VoIP for details), while IP telephony often refers to ...

Synonymous with IP telephony. The terms Internet telephony, IP telephony and VoIP (voice over IP) are used synonymously. See VoIP and IP telephony. THIS DEFINITION IS FOR PERSONAL USE ONLY.

Avaya's services organization plays a key role in the vendor's quest to be the leading vendor of IP telephony solutions, said Don Peterson, chairman and CEO of Avaya, Basking Ridge, N.J., during a ...