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Data Sheet

Cisco IP Communications Voice/Fax Network Module

Cisco IP Communications Voice/Fax Network Modules for the Cisco 2800, 2900, 3800, and 3900 Series

Uniﬁed Communications Routers

The Cisco® IP Communications voice/fax network modules provide enterprises, managed service providers, and

service providers the ability to directly connect the public switched telephone network (PSTN) and traditional

telephony equipment (private branch exchange [PBX], key system, analog telephones, fax machines, etc.) to Cisco

2800, 2900, 3800 and 3900 Series Uniﬁed Communications routers. This set of Cisco IP Communications voice/fax

network modules delivers the most versatile combination of analog and digital voice and data capabilities in a single

network module. As a completely integrated component of the Cisco Uniﬁed Communications solution including

Cisco Uniﬁed Communications Manager (UCM), Cisco IP phones, Cisco Unity

® uniﬁed messaging software, Cisco IP

Contact Center (IPCC), and the entire line of Cisco IP Communications products, the Cisco IP Communications

voice/fax network modules are a cornerstone of Cisco Uniﬁed Communications. When used in a Cisco uniﬁed

communications router with Cisco UCM, Cisco Uniﬁed Survivable Remote Site Telephony (SRST), or Cisco UCM

Express, the Cisco IP Communications voice/fax network module is a complete IP Communications solution for the

business branch.

Figure 1 shows the IP Communications voice/fax network module with one VWIC2-2MFT-T1/E1 and one VIC3-

4FXS/DID.

Figure 1. NM-HD-2VE with One VWIC2-2MFT and One VIC3-4FXS/DID

The Cisco IP Communications voice/fax network modules for the Cisco 2800, 2900, 3800, and 3900 Series uniﬁed

communications routers enable packet voice technologies including VoIP (H.323, Media Gateway Control Protocol

[MGCP], and Session Initiation Protocol [SIP]). Cisco Uniﬁed Communications solutions provide the means for

integrating voice and data within a single network, allowing users to take advantage of services such as IP

telephony, integrated services, and toll-bypass while providing an opportunity to improve productivity. By operating

on Cisco IOS Software, these solutions incorporate advanced quality-of-service (QoS) features, intelligent network

queuing, and standards-based encapsulation, providing efﬁcient direct transport of both voice and fax over IP

networks. Cisco IOS Software solutions enable time-sensitive voice traﬃc to be moved across even low-bandwidth

WAN connections with the priority and quality that voice and fax demand. Transporting voice over IP networks

continues to provide transport ﬂexibility because IP can be routed across a multitude of WAN technologies (leased

lines, Frame Relay, and ATM) along with providing direct connectivity to the desktop.

Data Sheet

Figure 2 shows an IP telephony application using Cisco UCM Express and SRST in a business branch.

Figure 2. IP Telephony Application Using Cisco UCM Express and SRST in the Business Branch

The 2900 Series and 3900 Series Integrated Services Routers support Network Modules via an adapter (part

number SM-NM-ADPTR).

The Cisco IP Communications voice/fax network modules support either one or two Cisco voice interface cards

(VICs) or Cisco voice/WAN interface cards (VWICs) and install into network module slots for the Cisco 2800, 2900,

3800, and 3900 series uniﬁed communications routers. The Cisco VICs are daughter cards that install into the

network modules and provide the interface to the PSTN and to telephony equipment (PBX, key systems, fax

machines, phones). The Cisco VWICs are daughter cards that provide the interface to the PBX, PSTN, and/or WAN.

VICs include 2-port foreign exchange station (FXS), direct inward dial (DID), foreign exchange oﬃce (FXO), and

E&M analog interface cards. Also available are 4-port FXS and 4-port FXO cards and a 2-port ISDN Basic Rate

Interface (BRI) digital interface card providing –40V phantom power. These cards cover the entire range of analog

connectivity options along with user-side and network-side digital BRI connections (Table 1). Cisco VWICs include 1-

and 2-port T1 and E1 interface cards with optional drop-and-insert capability. These cards cover a full range of digital

voice and WAN connectivity options and provide connectivity to the world’s PBXs, PSTNs, and Post, Telephone, and

Telegraph (PTT) organizations.

Cisco IP Communications voice/fax network modules provide the gateway to Cisco Uniﬁed Communications for calls

to and from the PSTN and the traditional telephony equipment. Users can deploy networks that take advantage of

investments in existing telephony equipment while also deploying and integrating IP telephony immediately or in the

future. These network modules enable users to operate at any point on the integrated voice, video, and data

infrastructure spectrum while incrementally adding connections to both traditional telephony and IP telephony.

Data Sheet

Table 1. Cisco Voice/WAN Interface Cards

The 2900 Series and 3900 Series Integrated Services Routers support Network Modules via an adapter (part number SM-NM-ADPTR).

Part Number Description Application

NM-HD-1V 1-slot IP communications voice/fax network

module.

Supports up to four channels of analog/BRI voice using any supported coder-

decoder (codec). (No support for T1/E1 or data WAN.)

NM-HD-2V 2-slot IP communications voice/fax network

module.

Supports up to eight channels of analog/BRI voice using medium complexity

codec or six channels using any supported codec. (No support for T1/E1 or

data WAN)

NM-HD-2VE 2-slot IP communications enhanced

voice/fax network module.

Supports analog/BRI/T1/E1 voice and data WAN. Supports up to 48

channels of G.711 codec, 24 channels of medium-complexity codec, or 18

channels of any supported codec. Oﬀers maximum investment protection

with support for analog/digital voice and data WAN.

VIC3-2FXS/DID 2-port FXS/DID voice/fax interface card.

FXS port is used to connect directly to phones, fax machines, and key

systems. Generates battery polarity reversal and caller ID.

DID port is used to provide oﬀ-premises DID connection from central oﬃce.

Serves only incoming calls from the PSTN. Does not support caller ID in DID

mode.

VIC3-2FXS-E/DID 2-port Enhanced FXS/DID voice/fax interface

card.

FXS port is used to connect directly to phones, fax machines, and key

systems. Generates battery polarity reversal and caller ID. VIC3-2FXS-

E/DID is designated as an “Off-Premise Extension Lite” product oﬀering.

This means that while the module addresses a subset of the oﬀ-premise

extension applications, it should be noted that the module is not in full

compliance for oﬀ-premise usage.

DID port is used to provide oﬀ-premises DID connection from central oﬃce.

Serves only incoming calls from the PSTN. Does not support caller ID in DID

mode.

VIC3-4FXS/DID 4-port FXS/DID voice/fax interface card

FXS port is used to connect directly to phones, fax machines, and key

systems. Generates battery polarity reversal and caller ID.

DID port is used to provide oﬀ-premises DID connection from central oﬃce.

Serves only incoming calls from the PSTN. Does not support caller ID in DID

mode.

VIC2-2FXO

2-port FXO voice/fax interface card

[universal card for all countries]. Also

supports analog Centralized Automated

Message Accounting (CAMA) on any port.

FXO port is used to connect to PBX or key system, or to provide oﬀ-premises

connections to PSTN or PTT. Supports battery reversal detection and caller

ID. These Cisco VICs can be software conﬁgured to work in all countries.

Also used to connect to analog CAMA trunk to provide dedicated E-911

service (North America only)

VIC2-4FXO

4-port FXO voice/fax interface card

[universal card for all countries]. Also

supports analog CAMA on any port.

FXO port is used to connect to PBX or key system, or to provide oﬀ-premises

connections to PSTN or PTT. Supports battery reversal detection and caller

ID. These Cisco VICs can be software conﬁgured to work in all countries.

Also used to connect to analog CAMA trunk to provide dedicated E-911

service (North America only)

VIC3-2E/M 2-port E&M voice/fax interface card. Used to connect to PBX or key system as tie lines.

VIC2-2BRI-NT/TE

2-port BRI voice/fax interface card

(conﬁgurable for either network or terminal

side).

Used to connect as network side or user side to PBX or key system as

oﬀ-premises connections (ISDN voice BRI). Supports patent-pending ﬂexible

Layer 2 and Layer 3 conﬁgurations.

VWIC2-1MFT-T1/E1 1-Port T1/E1 Multiﬂex Trunk Voice/WAN

Interface Card

Used to connect to PBX, PSTN, or WAN using T1/E1 standard interface and

provide channel drop-and-insert capability.

VWIC2-2MFT-T1/E1 2-Port T1/E1 Multiﬂex Trunk Voice/WAN

Interface Card

Used to connect to PBX, PSTN, or WAN using T1/E1 standard interface and

provide channel drop-and-insert capability.

VWIC2-1MFT-G703 1-Port G.703 Multiﬂex Trunk Voice/WAN

Interface Card

Used to support unstructured E1 (G.703) and all features of the other Cisco

MFT VWIC2 modules, including drop-and-insert.

VWIC2-2MFT-G703 2-Port G.703 Multiﬂex Trunk Voice/WAN

Interface Card

Used to support unstructured E1 (G.703) and all features of the other Cisco

MFT VWIC2 modules, including drop-and-insert. Additional ﬂexibility is

provided on the two port module with the capability to conﬁgure one port for

unstructured E1 (G.703) while conﬁguring the other for standard framed E1.

Table 2 shows the maximum number of Cisco IP Communications voice/fax network modules allowed per Cisco

platform.

Product specificaties

Merk:	Cisco
Categorie:	Niet gecategoriseerd
Model:	VIC3-2FXS-E/DID=
Ondersteunde netwerkprotocollen:	H.323 V1/V2/V3/V4, MGCP 0.1/1.0, SIP; T.37, T.38; T1, E1;
Quality of Service (QoS):	Ja
Bedrijfstemperatuur (T-T):	10 - 35 °C
Relatieve vochtigheid in bedrijf (V-V):	10 - 80 procent
Aansluiting type:	FXS
Aantal stemkanalen ondersteund (max):	2