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VWIC3-1MFT-T1/E1
Cisco Voice/WAN Card VWIC3-1MFT-T1/E1
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VWIC3-1MFT-T1/E1 is a high-performance WAN interface module designed to integrate T1/E1 services into Cisco Integrated Services Routers. Built specifically for deploying leased-line voice and data connectivity, this module efficiently converts traditional T1/E1 circuits into digital packets and vice versa, ensuring seamless and reliable communications in both enterprise and carrier environments.
Engineered for versatility, the VWIC3-1MFT-T1/E1 supports standard T1 speeds of 1.544 Mbps and E1 speeds of 2.048 Mbps, and it connects via an RJ-48 port. Its modular form factor allows for straightforward installation in router slots, making it ideal for expanding network capacity, upgrading existing WAN infrastructures, and integrating legacy telephony with modern IP-based networks.
VWIC3-1MFT-T1/E1 price is $633.00, a 74% saving from the Cisco list price of $2,434.00. VWIC3-1MFT-T1/E1 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for VWIC3-1MFT-T1/E1 for additional pricing. Browse the full Router Vwic2 Vwic3 Cards series or explore all Cisco products.
In a multi-site enterprise environment, IT teams deploy the VWIC3-1MFT-T1/E1 Cisco Voice/WAN Card on ISR routers to terminate T1/E1 trunks directly into the branch network. This consolidates voice and data on a single platform, reduces hardware footprint by 30%, and delivers carrier-grade PSTN connectivity with sub-50 ms jitter for clear, reliable voice calls.
Large organizations transitioning from legacy T1/E1 PBX systems to Cisco Unified Communications Manager leverage the VWIC3-1MFT-T1/E1 as a hybrid gateway. By supporting both TDM and IP voice, it enables incremental cutovers without service disruption, accelerates migration timelines by up to 40%, and defers costly forklift upgrades while maintaining 99.99% voice uptime.
In banking or trading environments where voice uptime is critical, dual VWIC3-1MFT-T1/E1 cards installed on redundant Cisco ISRs provide active/standby T1/E1 failover across diverse carriers. This architecture ensures automatic switchover in under 300 ms, meets stringent SLAs for sub-0.5% annual downtime, and safeguards compliance with financial-sector regulatory requirements.
To get the detailed certification, please go to the Compliance Center.
 VWIC3-1MFT-T1/E1 |  VWIC2-2MFT-T1/E1 |  VWIC3-2MFT-T1/E1 |  VWIC2-1MFT-T1/E1 |  VWIC2-1MFT-G703 | |
|---|---|---|---|---|---|
| Product Type | WAN Module | WAN Module | Network Module / Network Card | WAN Module | WAN Module |
| Module Type | T1/E1 WAN Module | T1/E1 WAN Module | WAN | T1/E1 Module | WAN |
| Data Rate | 1.544Mbps (T1) / 2.048Mbps (E1) | 1.544 Mbps / 2.048 Mbps | T1: 1.544 Mbps / E1: 2.048 Mbps | 1.544 Mbps / 2.048 Mbps | N/A |
| Connector Type | RJ-48 | RJ-48 | RJ-48 | RJ-48 | N/A |
| Supported Protocols | T1/E1 | T1/E1 Framing | T1/E1 Framing | HDLC, T1/E1 framing | N/A |
| Form Factor | Modular | Modular (EHWIC) | Modular | Modular | Modular |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Storage Temperature | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Input Voltage | N/A | 3.3V | 3.3V | 3.3V | N/A |
| Compatibility | Cisco Integrated Services Routers | Cisco Routers | Cisco Routers | Cisco | Cisco |
| Max Speed | 1.544Mbps (T1) / 2.048Mbps (E1) | N/A | T1/E1 | 1.544 Mbps / 2.048 Mbps | N/A |
| Supported Features | T1/E1 Framing, Clock Recovery, Signaling (CAS, FDM) | Digital Voice, Loopback Testing, Framing Conversion | Multi-Frame Trunking, Alarm Reporting | Framing configuration | N/A |
| Power Consumption | N/A | 5W | N/A | N/A | N/A |
| Interface Ports | T1/E1 | 2 x T1/E1 | T1/E1 | T1/E1 | E1/T1 |
| Expansion Slots | VWIC Slot | EHWIC | VWIC Slot | N/A | EHWIC |
| Product Name | VWIC3-1MFT-T1/E1 | VWIC2-2MFT-T1/E1 | VWIC3-2MFT-T1/E1 | VWIC2-1MFT-T1/E1 | VWIC2-1MFT-G703 |
| Height | N/A | N/A | N/A | N/A | N/A |
| Width | N/A | N/A | N/A | N/A | N/A |
| Depth | N/A | N/A | N/A | N/A | N/A |
| Weight | N/A | N/A | N/A | N/A | N/A |
The VWIC3-1MFT-T1/E1 is perfect for handling voice and data traffic in our network. It provides reliable T1/E1 connections with great stability.
This WAN card is reliable and provides fast, uninterrupted service. It integrates well into our network for efficient voice and data handling.
The VWIC3-1MFT-T1/E1 works flawlessly. It supports our voice and data traffic needs efficiently, ensuring smooth communication across the network.
We've been using the VWIC3-1MFT-T1/E1 for several months, and it performs great. It provides stable connections and supports our network's growth.
The VWIC3-1MFT-T1/E1 is a solid choice for our network. It ensures seamless voice and data communication with reliable performance.
The Cisco VWIC3-1MFT-T1/E1 is a multifunction interface card that provides one T1/E1 port for voice and data connectivity on supported Cisco ISR and ASR routers.
The VWIC3-1MFT-T1/E1 is compatible with Cisco 2900, 3900, 4000 and ASR 1000 Series routers that include a modular interface card slot.
Yes. The VWIC3-1MFT-T1/E1 automatically negotiates and supports both T1 (1.544 Mbps) and E1 (2.048 Mbps) schemes on a single port.
The card supports up to 24 voice channels on E1 and up to 24 DS0 channels on T1, enabling high-density voice connectivity.