D/42D-SL
Switch integration board

Features:

• Voice board with four independent four-wire interfaces to Nortel's SL-1 PBX enables tight application integration with the SL-1 System
• Calling number and called number identification enable calls to be intelligently transferred and forwarded from the PBX
• Activates/deactivates message waiting indicators to provide message notification
• Allows supervised (recommended) or nonsupervised transfers for automated attendant applications
• Positive disconnect supervision immediately detects when a caller has hung up
• Channel-selectable voice encoding at 24 and 32 Kb/s ADPCM, and 48 and 64 Kb/s µ-law PCM minimizes disk space usage by selecting optimum encoding for application
• SpringWare downloadable signal and call processing firmware provides easy feature enhancement and field-proven performance based on over two million installed ports
• Unified API enables development of both generic and switch-specific applications

Applications:

• Voice mail/voice messaging
• Interactive voice response
• Call screening
• Call treatment based on ANI
• LAN-PBX connections
• Auto dialing
• Telecomputing servers
• ACD (Automatic Call Distributor)

The D/42D-SL board can access the calling and called number identification for calls forwarded or transferred from within the PBX, access trunk identification for calls originating outside the PBX, and control SL-1 message waiting indicators for message notification. The D/42D-SL board also features positive disconnect supervision to immediately detect when a caller has hung up.