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2. Introduction to Dialogic ISDN Products
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• Multiple D Channel Configuration - this feature allows the D channel of
each line to be configured at any time, and as many times as needed. The
application can configure and reconfigure the protocol for each station
interface, allowing different protocols to be run on different stations
simultaneously. The application can also change between User side and
Network side, assign and change the Service Profile Identifier (SPID), and
change other attributes such as the generation of in-band tones. See the
cc_SetDChanCfg( ) function description in Chapter 5. ISDN Function
Reference for more information.
• 5ESS Custom Messaging - the 5ESS protocol has a custom messaging
feature, which allows the application to send requests to drop calls and to
redirect the state of calls. See the cc_SndMsg( ) function description in
Chapter 5. ISDN Function Reference for more information.
2.1.2. Typical BRI Applications
ISDN BRI technology offers call handling features, such as Automatic Call
Distribution (ACD), call waiting, call monitoring, and caller ID, that can be used
to develop BRI applications such as the following:
• Call center and business communication platforms
• Automated call rerouting applications such as debit card services,
international callback, and long distance resale
• Wireless gateway access
• Voice processing system access for the station side of ISDN PBXs
• Protocol conversion equipment, which allows the application to convert calls
from one network protocol to another network protocol, without resource
boards
2.2. The Primary Rate Interface
The Dialogic Primary Rate Interface (PRI) product line enables SCbus
applications to use the speed, power, and flexibility of ISDN. The Dialogic PRI
firmware supports both T-1 and E-1 protocols.