Cisco TDM Gateways

Delivering PSTN, PBX and Analog Device Connectivity

Cisco TDM Gateways offer a variety of different voice network modules to deliver IP connectivity to the PSTN, a PBX, or an analog device. They also provide toll bypass services within an enterprise network. Cisco TDM Gateway modules are deployed on Cisco 2900, 3900 and 4000 Series Integrated Services Routers (ISRs).

Features and Capabilities

Modular Cisco ISRs support a wide variety of gateway interface cards, and services. These gateway services can also coexist with other Cisco ISR routing, switching, security, or unified communications services, such as Cisco Unified Survivable Remote Site Telephony (SRST). The Cisco TDM Gateway family includes:

Analog and digital voice and fax interface cards and modules
T1, E1, and G.703 Multiflex trunk voice and WAN interface cards
Digital signal processors for voice and video
Cisco Unified Communications Gateway Services API

Benefits of using Cisco TDM Gateways include:

Broad deployment support: voice, video, and voice and fax over IP, Frame Relay, and ATM
Ability to deploy globally and support a wide range of CODECs, protocols, all key interfaces
Enhanced user experience, reducing background noise and preventing acoustic shock
Proven interoperability with Cisco products, third-party PBXs, and service providers
Flexibility, providing multiple services on one platform and using router features for improved interworking