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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.
It supports all standard framing formats (ESF, SF, CRC4) and line coding schemes (AMI, B8ZS) for both T1 and E1 networks.
Yes. The multifunction design allows concurrent voice and data services over a single T1/E1 link with channelized interface support.
No. For safe operation, the router must be powered down before installing or removing the VWIC3-1MFT-T1/E1 card.
It supports standard WAN protocols including PPP, HDLC, Frame Relay, ISDN PRI (Q.931), and Voice over IP signaling.
Power off the router, slide the card into an available VIC slot until it clicks, secure the retention screw, power on, and configure via CLI.
You need the router’s Performance on Demand or Unified Communications license to activate voice and WAN features on the VWIC3-1MFT-T1/E1.
Operating temperature is 0–40°C, storage temperature is ‑20–70°C, with relative humidity of 10–90% non-condensing.
Use the Cisco IOS MQC framework: define class-maps for voice/data, create policy-maps with priority and bandwidth guarantees, then apply to the T1/E1 interface.
Yes. It supports SNMP, Cisco IOS Embedded Event Manager, and standard MIBs for real-time monitoring and OAM functions.
The card features a green link LED (online), yellow activity LED (traffic), and red alarm LED (fault) for quick diagnostics.
Authorized Cisco partners and online distributors sell the VWIC3-1MFT-T1/E1. Verify Cisco certification to ensure genuine hardware.
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