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Product
Description
Supported Platforms
and Minimum Cisco
IOS Versions
Comments
NM-HD-1V
1-slot IP communications
voice/fax network module
Provides a one-slot
voice/fax network module
with an integrated digital
signal processor (DSP),
enabling voice and fax
traffic to be routed over
data networks. The user-
configurable expansion
slot accommodates a
Cisco voice interface card,
which allows four analog
ports or two BRI ports
to standard telephony
equipment such as PBXs,
key systems, phones, and
fax machines.
Modular Router Solutions
Voice and Fax Integration
3800 Series – 12.3(11)T
3700 Series – 12.3(4)T
3660 Series – 12.3(4)T
3640 – 12.3(4)T
2811, 2821, and
2851 – 12.3(8)T4
2691 – 12.3(4)T
2600XM Series – 12.3(4)T
Not supported on 12.3
Mainline; only 12.3(4)T
and later. Requires voice
interface card.
ANALOG AND ISDN BASIC RATE VOICE NETWORK MODULES
NM-HD-2V
2-slot IP communications
voice/fax network module
Provides a two-slot
voice/fax network module
with an integrated digital
signal processor (DSP),
enabling voice and fax
traffic to be routed over
data networks. The user-
configurable expansion
slot accommodates two
Cisco voice interface
cards, which allows up
to eight analog ports or
four BRI ports to standard
telephony equipment such
as PBXs, key systems,
phones, and fax machines.
Modular Router Solutions
Voice and Fax Integration
3800 Series – 12.3(11)T
3700 Series – 12.3(4)T
3660 Series – 12.3(4)T
3640 – 12.3(4)T
2811, 2821, and
2851 – 12.3(8)T4
2691 – 12.3(4)T
2600XM Series – 12.3(4)T
Not supported on 12.3
Mainline; only 12.3(4)T
and later. Requires voice
interface card.
NM-HD-2VE
2-slot IP communications
enhanced voice/fax
network module
Provides a two-slot
voice/fax network module
with an integrated digital
signal processor (DSP),
enabling voice and fax
traffic to be routed over
data networks. The user-
configurable expansion
slot accommodate the
addition of up to four
Cisco voice interface cards
or voice/WAN interface
cards. The interface cards
allow up to eight analog
ports, 4 BRI ports, 24
medium complexity, or
48 G7.11 digital T1/E1
voice channels. Connects
to standard telephony
equipment such as PBXs,
key systems, phones, and
fax machines.
Modular Router Solutions
Voice and Fax Integration
3800 Series – 12.3(11)T
3700 Series – 12.3(4)T
3660 Series – 12.3(4)T
3640 – 12.3(4)T
2811, 2821, and
2851 – 12.3(8)T4
2691 – 12.3(4)T
2600XM Series – 12.3(4)T
Not supported on 12.3
Mainline; only 12.3(4)T
and later. Requires voice
interface card.
NM-HDA-4FXS
High-density analog voice/
fax network module with
4 FXS
This base board is always
required for any configu-
ration of NM-HDA. It
comes with four built-in
FXS ports. Onboard DSP
resources can service
eight voice calls using
high-complexity codecs:
G.711 a/u; G.726 @ 32k,
24k and 16k; G.728; G.729,
A, B, AB; G.723.1 @ 5.3k
and 6.3k; clear channel
codec, fax relay. Also
supports 16 voice calls
using medium-complexity
codecs: G.711 a/u, G.726 @
32k, 24k, and 16k; G.729A
and AB; clear channel
codec, fax relay. Supports
two expansion modules
and one DSP module.
Modular Router Solutions
Voice and Fax Integration
3800 Series – 12.3(11)T
3700 Series – 12.2(8)T1
3660 Series – 12.2(4)XT
3640 – 12.2(4)XT
3620 – 12.2(4)XT
2811, 2821, and
2851 – 12.3(8)T4
2691 – 12.2(8)T1
2600XM Series – 12.2(8)T1
2650 Series – 12.2(4)XT
2620 Series – 12.2(4)XT
2610 Series – 12.2(4)XT
Prior to Cisco IOS 12.3
Mainline, requires a Cisco
IOS “Plus” feature set.
12.3 Mainline and forward
supported in “IP Voice”
feature set.
No reliance on other
network modules, WICs,
voice interface cards, or
advanced integration
modules.
Product
Description
Supported Platforms
and Minimum Cisco
IOS Versions
Comments
ANALOG AND ISDN BASIC RATE VOICE NETWORK MODULES
EVM-HD-8FXS/DID
High-Density Analog and
Digital Extension Module for
Voice and Fax
With support for up to 24
total voice and fax sessions,
the Cisco High-Density
Extension Module is ideal
for networks with high
analog (foreign exchange
station [FXS], direct inward
dialing [DID], and foreign
exchange office [FXO]) and
digital (Basic Rate Interface
[BRI]) call-capacity require-
ments. Components:
Baseboard with 8 ports
that can be configured
individually for FXS or DID
signaling. Add up to two
expansion modules in any
combination to increase
voice and fax session
capacity: EM-HDA-8FXS,
EM-4BRI-NT/TE, EM-HDA-
6FXO, EM-HDA-3FXS/4FXO.
Packet voice DSP modules
(PVDM2s) are used in
combination with the Cisco
High-Density Extension
Module baseboard and
its expansion modules.
PVDM2s are purchased
separately and installed in
the digital signal processor
(DSP) module slots located
inside the Cisco 2821, Cisco
2851, Cisco 3825, and Cisco
3845 integrated services
routers.
Modular Router Solutions
Voice and Fax Integration
Extension Voice Module
(EVM) slot only:
2821 – 12.3(8)T4
2851 – 12.3(8)T4
Any Network Module Slot:
3825 (1 per router)
– 12.3(11)T
3845 (1 or 2 per router)
– 12.3(11)T
Not supported on 12.3
Mainline; only IP voice
on 12.3T.
Cisco Network Modules
Cisco Network Modules
102