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To: Dav!d who wrote (773)6/9/1999 8:15:00 AM
From: Don Johnstone  Read Replies (1) | Respond to of 1622
 
Deploying VoIP - An overview

networkcomputing.com:80/1012/1012f3side2.html
For executive summary.

networkcomputing.com:80/1012/1012f3.html
For entire article.

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

June 14, 1999

EXECUTIVE SUMMARY
Business-Quality VoIP
Voice over IP holds the promise of substantial toll savings and
increased services, but we found that only Cisco Systems is
providing all the pieces to pull off a pure VoIP system today.

Lucent Technologies and Nortel Networks, perhaps owing to their
existing lucrative PBX businesses, see the introduction of VoIP as
an evolution, not a revolution. Both support retaining existing PBX
and telephone equipment, saying that only IP interfaces to the
enterprise backbone network are needed now. This retains the
PBX's rich feature set--as well as the administrative overhead of
moves and changes.

We agree that it's a little too soon for most businesses to consider
a pure VoIP solution. However, small and medium-sized enterprises
may find it more cost-effective and productive to dump their
PBXes and existing phones in favor of all-IP telephones, gateways
and gatekeepers.

To see what's available now, we sent a VoIP RFP to 14 vendors.
Of those that responded, only Cisco offers all the pieces; Nortel
and Lucent have almost-ready, realistic solutions for most
businesses that aren't ready to toss their PBXes just yet. Finally,
Clarent and Siemens should be considered for their LAN PBX
solutions.