User guide

4 RealCT Direct API Developer Guide
Chapter 1: Architecture
Computer Telephony Boards
Voice processing (VP) boards, such as the Prelude, RDSP, or
Vantage products, provide the voice processing and telephony
hardware for your computer telephony system.
The RTNI series boards provide either analog or digital line
capabilities that combine with a voice processing board to
expand and enhance the versatility of the voice processing
system. The PRI-ISALC boards provide single or dual span E1
and T1 digital line capabilities.
The RealBLOCs series board features modules that provide
analog trunk, analog station, or passive tap lines on a single
board.
The DST-16 provides digital station passive tap capability for
call recording applications when combined with a Vantage VRS
board. Different versions of the board provide support for the
following PBXs:
Nortel M1
Nortel Norstar
NEC
Aspect
Lucent/Siemens 2 wire
Lucent 4 wire
Panasonic