Cisco VIC-4FXS/DID 4 Ports Voice Interface Card
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VIC-4FXS/DID Cisco 7700 4 Ports Voice Interface Card Refurbished

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Part Number#: VIC-4FXS/DID
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Short Description:
VIC-4FXS/DID 7700 4x FXS WAN, 4x RJ-11 FXS WAN Plug-In Module 4 Ports High-Density Analog Voice Interface Card | Made by Cisco | Refurbished
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days

Product Overview of the Cisco 7700 Voice Interface Card

The Cisco VIC-4FXS/DID 7700 is a high-density analog voice interface card designed to provide connectivity for voice communication in networking environments. Featuring 4 ports supporting FXS (Foreign Exchange Station) and RJ-11 connectors, this interface card is suitable for integrating analog phones, fax machines, and other analog devices into IP-based networks. The VIC-4FXS/DID Cisco 7700 4 Ports Voice Interface Card is a hardware component that is used to add voice capabilities to Cisco 7700 series routers. It allows the router to connect to and communicate with traditional telephone systems, such as PSTN (Public Switched Telephone Network) or ISDN (Integrated Services Digital Network). The Product has four FXS (Foreign Exchange Subscriber) ports, which are used to connect to telephone handsets or other devices that support analog signals. It also has a DID (Direct Inward Dialing) port, which allows the router to receive incoming calls from the PSTN or ISDN.

In addition to providing voice capabilities, the model can also be used for fax and modem communication, as well as for voice messaging applications. It is compatible with a range of Cisco 7700 series routers, including the 7604, 7606, and 7613.

Understanding Voice Interface Cards and Connectivity

Voice interface cards, like the Cisco VIC-4FXS/DID 7700, serve as interfaces between analog devices and digital networks. With 4 FXS ports and RJ-11 connectors, this card enables connectivity for analog devices, converting their signals into a format suitable for transmission over digital networks.

Features of Cisco VIC-4FXS/DID 7700 Voice Interface Card

4 Ports Supporting FXS

The interface card offers 4 ports supporting FXS, allowing connectivity for analog devices like phones and fax machines.

RJ-11 Connectors

Using RJ-11 connectors, the card facilitates standard analog phone connections, ensuring compatibility with various devices.

High-Density Analog Voice Interface

Designed for high-density analog voice connectivity, suitable for integrating multiple analog devices into IP-based networks.

Importance of Voice Interface Cards in Networking

Voice interface cards offer several advantages in networking environments:

Analog Device Integration

These cards enable the integration of analog devices into modern IP-based networks, preserving the functionality of legacy devices.

Voice Communication Support

Voice interface cards facilitate voice communication over IP networks, allowing analog devices to communicate seamlessly.

Flexibility and Compatibility

They provide flexibility by supporting various analog devices and ensuring compatibility within diverse network setups.

Benefits of Using Cisco VIC-4FXS/DID 7700 Voice Interface Card

Multiple Port Support

The card's 4 FXS ports support connectivity for multiple analog devices, accommodating diverse communication needs.

Standard RJ-11 Connectivity

Using RJ-11 connectors ensures compatibility with standard analog phone cables and devices.

High-Density Voice Connectivity

Designed for high-density analog voice connectivity, suitable for environments requiring multiple analog device integrations.

Use Cases for Cisco VIC-4FXS/DID 7700 Voice Interface Card

Office Environments

Ideal for offices integrating analog phones or fax machines into IP-based communication systems.

Call Centers

Suitable for call centers requiring connectivity for multiple analog devices to operate within an IP network.

Small Businesses

Useful for small businesses transitioning to IP-based communication while retaining existing analog devices.

Performance of VIC

The VIC-4FXS/DID is a voice interface card that provides 4 ports of Foreign eXchange Station (FXS) and Direct Inward Dialing (DID) interface capabilities for the Cisco 7700 Series routers. The card is designed to support a range of voice protocols, including Primary Rate Interface (PRI), Basic Rate Interface (BRI), and FXS/FXO. It can be used to provide connectivity for analog phones, fax machines, and other devices that require an FXS or DID interface. The card supports a range of voice compression algorithms, including G.711, G.723.1, G.729, and G.726, to help optimize the use of available bandwidth. It is an ideal solution for businesses that need to connect their analog voice systems to a digital IP network.

High Compatibility

The VIC-4FXS/DID Cisco 7700 4 Ports Voice Interface Card is a versatile and reliable device designed to provide voice connectivity in Cisco 7700 series routers. It features four Foreign Exchange Station (FXS) ports and one Digital Interface (DID) port, allowing it to connect to a variety of telephony devices such as traditional analog phones and PBX systems.

One of the key features of the model is its compatibility with a wide range of Cisco IOS software versions and hardware platforms. It is compatible with Cisco 7700 series routers running IOS versions 15.1 and higher, as well as Cisco Catalyst 6500 series switches running IOS versions 12.2 and higher.

In terms of hardware compatibility, the part can be installed in any slot on a Cisco 7700 series router or Catalyst 6500 series switch. It is also compatible with a variety of voice protocols such as ISDN, SIP, and H.323, making it a versatile and flexible solution for a wide range of voice connectivity needs.

General Information about this Cisco VIC-4FXS/DID

  • Manufacturer: Cisco
  • Model Number or SKU# VIC-4FXS/DID
  • Product Name: 4-Port FXS or DID VIC Voice Interface Card (VIC)
  • Product Type: Telephony Equipment

Technical Information of Voice Interface Card

  • Application/Usage: Data Networking
  • Equipment Type: Voice Interface Card (VIC)
  • Enclosure Type: Plug-In Module

Interfaces/Ports for Telephony Equipment

  • Isdn Interface: Fxs
  • Interfaces/Ports: 4 x FXS WAN
  • Interfaces/Ports Details: 4 x RJ-11 FXS WAN

Environmental Conditions of 4 Ports Voice Interface Card

  • Temperature: 32 degrees F (0.0 degrees C) to 104 degrees F (40.0 degrees C) Operating
  • Temperature: -13 degrees F (-25.0 degrees C) to 158 degrees F (70.0 degrees C) Storage
  • Humidity: 5% to 95% Non-condensing Relative Humidity Non-operating
  • Humidity: 5% to 85% Non-condensing Relative Humidity Operating


  • Additional Information Voice & Fax Integration
  • Cisco CallManager version 3.3(3) for MGCP support
  • Supported Platforms & Minimum IOS Versions:
  • 3745 - 12.2(15)ZJ
  • 3725 - 12.2(15)ZJ
  • 3660 series - 12.2(15)ZJ
  • 2691 - 12.2(15)ZJ
  • 2600XM Series - 12.2(15)ZJ
  • 1760 - 12.2(8)YN
  • 1751 - 12.2(15)ZL


  • Supported Platforms:
  • 3745
  • 3725
  • 3660 Series
  • 2691
  • 2600XM Series
  • 1760
  • 1751

Certifications & Standards

  • Compliance FCC Class B device CE
  • Safety Conformance: UL1950

In summary, the Cisco VIC-4FXS/DID 7700 Voice Interface Card, featuring 4 FXS ports with RJ-11 connectors, stands as a reliable solution for integrating analog voice devices into IP-based networks. Its multiple port support, standard RJ-11 connectivity, and high-density voice interface make it suitable for various applications, including office environments, call centers, and small businesses. The Cisco VIC-4FXS/DID 7700 facilitates the seamless integration of analog voice devices into modern IP networks, preserving legacy equipment while enabling enhanced communication capabilities.

Product Condition:
Warranty provided by ALLHDD.COM:
90 Days

About Refurbished Products

Refurbished products are typically refurbished by an Original Manufacturer or an affiliate of the manufacturer or 3rd party facility. This product may have minor blemishes due to normal product usage and doesn't necessarily come with documentation and software unless indicated, but has been well tested and generally has never had any defects.


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What does ALLHDD.Com warranty cover?

30-days to 3 years warranty:

Replacement or refund. In the case of material defects, we will try to replace the product first. The product will be replaced before the expiration of the original warranty. For any failure of hardware, if we cannot process the replacement of the product(s)/model(s), we will refund the original selling/invoiced price. The shipping costs and sales tax, if any, are non-refundable. ALLHDD retains the right to decide whether the item(s) will process for replacement or refund.

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(b) any misuse outside the instructions in the user manual for any specific product;

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In general, a manufacturer's warranty service/support is a written guarantee to the buyer of a product. Its terms assure the replacement or repair of the product, if necessary, within a specified period after the purchase (2-5 years depending on the brand/manufacturer). It is typically included in the price of the product. Products are brand new and sealed and the original manufacturer box is complete with the Manufacturer's genuine warranty. For most of the brand new/retail products that come with the manual and box, exceptions may apply (i.e., Cisco, Juniper Networks).

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