EPBX as we all know it - has been used in our offices since last many years - lots of functionality has been added to it in last few years - but still it is using analog technology at some level - which cannot be avoided.
Where as IP_PBX is based on IP (Internet Protocol) and is fully digital. In this article we will evaluate the benefits of IP_PBX over our old EPBX system.
IP_PBX is similar to EPBX in basic functionality, however instead of normal analogue phones - you use IP_Phones or soft phones (these all are based on SIP - IP telephony protocol)
Advantages of IP_PBX:
Fully digital technology
No double wiring.
Easier to manage from web interface.
No vendor lock in (Open Protocol)
Integrate with business software.
VOIP Service providers.
Least cost routing.