Vanguard Networks introduces session initiation protocol

VOIP Subscribers Can Lower Costs Using Vanguard Routers and Add SIP Phones

Mansfield, Mass., (ANTARA News/PRNewswire-AsiaNet) - Vanguard Networks
announces new SIP (session initiation protocol) gateway to allow
customers to reap the benefits of IP Telephony.

With the addition of SIP functionality Vanguard customers who subscribe
to VOIP services from an IP telephony service provider will now be able
to save on monthly charges, while keeping high quality and reliability.
Customers can continue to use existing phones connected to a Vanguard
Gateway router to keep initial expenses low, and also add SIP phones to
lower administrative costs.
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