Features; Dt-24+ And De-30+ Digital Gateway Modules; Dt-30+ Digital Gateways - Cisco ICS-7750 Description

DT-24+ and DE-30+ Digital Gateway Modules

Features

Cisco ICS 7750 System Description
8-6
encoding (A-law or mu-law), dual tone multifrequency (DTMF) detection,
generation, and signaling, and line echo cancellation. Thirty simultaneous
channels of G.723.1 encoding/decoding are also supported.
DT-24+ and DT-30+ digital gateways include the following features:
• A single PCI-based card (PCI bus for power only) with the following
components on board:
– Integrated DSPs
T1 (RJ-48C female) interface (DT-24+) or E1 (RJ-48C female)
–
interface (DT-30+)
10BASE-T Ethernet network interface (RJ-45 female)
–
Control processor with communications software to connect to
–
Cisco CallManager (required) over TCP/IP/Ethernet link
Remote boot procedure with DHCP (for IP address) and TFTP software
–
download (downloadable and upgradable)
T1/E1 PRI ISDN Layer 3 protocols, including National ISDN-2 (NI-2),
–
5 Electronic Switching System (5ESS), 5ESS custom, DMS100,
DMS250, and other protocol support
• Both user-side and network-side ISDN signaling support to emulate terminal
equipment and switching equipment, respectively
• Supports Skinny Gateway protocol communications with Cisco CallManager
to provide supplementary services (such as hold and transfer) under control
of IP telephony clients
For more information about the DT-24+ and DE-30+ modules, refer to the Cisco
publication DT-24+ or DE-30+ Module Installation and Configuration Note.
Chapter 8 Features of Other Compatible Cisco Devices
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