30th January 2003 at 03:05
#23438
Richard Kim
Guest
hi
simply
1) Gateway
2) gatekeeper
3) Billing
if you want IVR System
it’s more expensive
1) IVR
2) Gateway
3) Billing
–Gateway : Lucent, cisco, anyother.
Gatekeeper : Lucent,cisco … anyother..
good luck