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which PBX best? For Voip?
Can anyone tell me which is the best PBX that can be used for developing a call center application
and whhich is affordable for a small company using ISDN lines and 50 agents in India.
Avaya, Nortel or siemens...?
Is PBX a necessity for VoIP based call center . If PBX is not used, how voice quality can be made better.?
-sukhbinder
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