Dialogic DISI32 Switching Board


DThe Dialogic® DISI32 Switching Board is a next-generation building block for converged communications systems. This board is a single-slot PCI solution that connects analog telephone devices directly to converged communications platforms to create affordable, small- to mid-size, server-based Private Branch Exchanges (PBXs), telemarketing systems, and call centers. This product is highly reliable and cost effective, offering an optimized mix of analog station interfaces and resources on which to build highly scalable systems.

DISI32 is a full-size, single-slot PCI board, which is based on DM3 architecture. It provides connectivity for up to 32 station interfaces and includes conferencing, voice play/record, tone detection and generation, and Caller ID capabilities. DM3 architecture allows access to independent, high-performance, firmware-based network protocol and media processing resources that can be operated and integrated on compatible hardware platforms.

Key Features

Single-slot PCI solution

Can connect up to 32 analog telephone devices directly to converged communications platforms

Conferencing resources

Supports up to 16 conferees in flexible configurations of 2 to 16 parties per conference

Enhanced conferencing features

Includes coach-pupil mode, volume controls, and active-talker identification

Frequency Shift Keying (FSK) station signaling

Enables Caller ID delivery and message-waiting-indicator control

Off-hook FSK signaling

Allows messaging implementations to Caller ID Type 2 devices, such as Caller ID or Call Waiting

Available with Universal PCI edge connector

Universal PCI form factor compatible with 3.3 V and 5.0 V bus signals enabling deployment in a wide variety of PCI chassis from popular manufacturers


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Ordering Information

Use the Purchase page linked below to find partners to purchase Dialogic products. The order codes below are for your reference when making a purchase.

Where to Buy
ProductOrder CodeDescription



32-port Analog Station, PCI



DISI32 POWER SUPPLY, Connects to a pre-wired power cable attached to the DISI32W



DISI breakout box and cable, Includes a 68-pin SCSI cable to connect the DI/SI boards to a 32-port RJ-11 patch panel



DISI telco adapter cable, 12-inch (30.5 cm) cable with a 68-pin SCSI connector to attach to the DISI32 board at one end and two RJ-21X male amphenol-style connectors at the other end - carrying 16 stations each