Page 3 - Telecom Reseller End User Overview
P. 3
The Multivendor Platform Enterprise
Avaya and Avaya/Legacy
16,923
Avaya Red 10,404
Avaya Blue 6,522
Cisco Call Manager
10,314
Lync
9,547
Most enterprise readers operate a variety of
concurrent platforms.
Cisco and Avaya dominate the
installed base, but Lync is growing in presence
while NEC and Mitel have found markets.