Which Implementations Fit Which Architectures?

Model

ITSP

Integrated

Voice/Data

Workstation-to-

workstation

Any-to-any

Carrier

Equipment

IAD / Switch

IP/FR/ATM

switch

(none)

Signaling

Gateway /

Conversion

Enterprise

Equipment

(none)

Frad/Gateway

(IAD) & PBX

Workstations

Optional

Frad/Gateway

(IAD)