أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
Between Cisco, Avaya, Microsoft The answer has to be based on actual numbers, and also you can put beside it your own opinion if it different than the numbers based on your experience.
Thanks Guys for sharing your thoughts
according to gartner research it will lync
from my point of view i can see that Microsoft LYNC will be the leader in the next days.