Voice Interface Card

A voice interface card can range all the way from a few hundred dollars all the way up to many thousands of dollars. The voice technology strides that have been made recently are outstanding. A person using this technology in one country can talk via the internet to a person in another country without the other person being able to detect that a landline is not being used. If you have never heard of this technology, you may be wondering what a voice interface card is.

Voice interface card (VIC) technology is hardware interface that simulates a FXS on a router. It will also simulate a FXS on a network switch. VICs interface voice or other audio FXS devices. A voice interface card has RJ-11 ports that are used to connect basic telephone equipment, keysets and PBXes.

The interface card will integrate both voice and data on your network so you can take advantage of VoIP service providers without losing voice quality. There are no frustrating sound delays when talking to people in other countries when using this technology. There are many suppliers of voice interface cards. Cisco is the number one manufacturer.

Cisco has a 4-port FXO voice interface card that is universal. The VIC2-4FXO interface card can be configured to software to work in all countries. It can connect to PBX or key system via the FXO port. It also supports caller ID and battery reversal detection.

The card provides the ability to connect existing Cisco 2600XM Series, Cisco 2691, 3640, and 3660, and Cisco 3700 Series voice gateway routers to public switched telephone networks as well as tradition telephone equipment through managed and other service providers and enterprises. The Cisco voice interface card gives the best combination of analog and digital voice and data capabilities by using a single network module.

Cisco also manufactures the 4-Port FXS/DID voice interface card. It is a high density VIC that will support as many as four FXS ports. This allows direct connection to up to four fax machines or telephones. It also provides the alternative option of connecting up to four direct-inward-dial (DID) analog trunks. You can select each port to use either the FXS or DID mode. This interface card is the same size as an existing 2-port voice/WAN VWIC cards and can be installed in a slot on the MRP card. If you install two Cisco VIC-FXS/DID cards in a single MRP card, you will have up to eight FXS or DID ports supported. You could also use the voice interface card to support complex analog DSP software images. Cisco’s 4-Port FXS/DID voice interface card will support caller ID for Canada and the U.S. Its platforms are Cisco ICS 7750 and Cisco 1751 and 1760 series routers.

You can get a plug-in module Cisco 1 or 2-port T1/E1 Voice/WAN Interface Cards known as “Multiflex VWICs.” People who want to combine WAN interface cards and voice interface cards should choose to integrate them in steps. Getting professional advice on integrating the cards is advised if you have never done this before. Cisco has other voice interface cards. You can purchase them on line if you have the part number of the VIC you need.

Cisco is not the only manufacturer of voice interface cards. The ADTRAN Quad POTS (RT) is another voice interface card that is very popular. Paradyne 4800 Express (4821-A2-447) Voice Interface Card (4821A2447) is another one. Sangoma makes one too that you can find for sale on the internet. It is the Sangoma A108D voice interface card. You can find out more information about these cards by searching for them online.

This Voice Interface Card Review is Written/Updated on Jul 21st, 2009 and filed under Computer Hardware. Both comments and pings are currently closed.

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