CISCO VOICE GATEWAY

The Cisco Integrated Services Router is the ideal platform for delivering IP Communications in enterprise branch offices, commercial offices, and small or medium-sized business offices. Through the integration of security, voice gateway, call processing, voice mail, automated attendant, conferencing, and transcoding capabilities Cisco Integrated Services Router platforms deliver a complete office IP Communications solution.

With Cisco Integrated Services Router platforms, enterprise branch, commercial offices and small or medium-sized offices can use the industry's broadest, most comprehensive voice and security services, directly embedded and integrated inside the industry's leading routing platform for maximum performance and resiliency. Cisco Integrated Services Router platforms (Cisco 2801, 2811, 2821, 2851, 3825, and 3845) provide the appropriate-sized solution for the smallest to largest customers, scaling to meet the most demanding enterprise environments while providing the performance and architecture for services available today and in the future.

Cisco Integrated Services Router platforms embed voice and security functions directly inside the router, enabling customers to deploy advanced services simply by installing digital signal processors (DSPs) and advanced integration modules (AIMs) for IP telephony conferencing, voice gateways, Cisco Unity Express voice mail and automated attendant, as well as industry-standard security.

NM-HDV2 IP Communications High-Density Digital Voice or Fax Network Module
The NM-HDV2 IP Communications High-Density Digital Voice or Fax Network Modules combines WAN Interface Card (WIC) and Voice Interface Card (VIC) functionality to provide unparalleled flexibility and power. The NM-HDV2 is able to support up to an optimal maximum of 256 voice channels. The actual ceiling on voice and fax capability set by the combination of physical digital and physical analog Telephony interfaces, codec complexity operation desired, and transcoding or conferencing requirements.

Cisco VIC-4FXS/DID 4-Port High-Density FXS/DID Analog Voice Interface Card
Analog DID Voice Interface Cards (VICs) service analog public switched telephone network (PSTN) DID trunks with the use of analog voice or fax. They have dual working modes, DID and FXS. These two modes are mutually exclusive.

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