August 31, 2007
Vanguard Networks Introduces Session Initiation Protocol (SIP)
VOIP Expert wrote this mid-morning:
MANSFIELD, Massachusetts, August 30 /PRNewswire/ — - VOIP Subscribers Can Lower Costs Using Vanguard Routers and Add SIP Phones Vanguard Networks announces new SIP (session initiation protocol) gateway to allow customers to reap the benefits of IP
Filed under: VoIP News