
NM-HDA-4FXS
High-density Analog Voice/
Fax Network Module with
4 FXS
This base board is
always required for any
conguration of NM-HDA
It comes with four built-in
FXS ports Onboard DSP
resources can service
eight voice calls using
high-complexity codecs:
G711 a/u; G726 at 32k, 24k
and 16k; G728; G729, A,
B, AB; G7231 at 53k and
63k; clear channel codec,
fax relay Also supports 16
voice calls using medium-
complexity codecs: G711
a/u, G726 at 32k, 24k, and
16k; G729A and AB; clear
channel codec, fax relay
Supports two expansion
modules and one DSP
module
Modular Router Solutions
Voice and Fax Integration
3800 Series–123(11)T
2811, 2821, and
28 51–12 3 (8)T4
Prior to Cisco IOS 123
Mainline, requires a Cisco
IOS “Plus” feature set
123 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 continued
NM-HD-2VE
Two-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 trafc to be routed
over data networks
The user-congurable
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, four BRI ports, 24
medium complexity, or
48 G711 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–123(11)T
2811, 2821, and
28 51–12 3 (8)T4
Requires voice interface
card and voice feature set
The VWIC2-1MFT-G703
and VWIC2-2MFT-G703
are not supported on the
NM-HD-2VE
Cisco Voice Network Modules
Product
Description
Supported Platforms
and Minimum Cisco
IOS Versions
Comments
Analog and ISDN Basic Rate Voice Network Modules continued
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 ofce
[FXO]) and digital (Basic
Rate Interface [BRI])
call-capacity requirements
Components: Baseboard
with eight ports that
can be congured
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:
28 21–12 3 (8)T4
28 51–12 3 (8)T4
Any Network Module Slot:
3825 (1 per router)–123(11)
T
3845 (1 or 2 per
ro ut er ) –12 3(11)T
Requires a Cisco IOS voice
feature set
EM-4BRI-NT/TE
Four-port Voice and Fax
Expansion Module
Adds support for BRI
(NT and TE) for use with
the Cisco High-Density
Extension Module
(EVM-HD-8FXS/DID)
baseboard This module
allows connection to an
ISDN S/T network by
replicating either the
network side or the terminal
side This module provides
four
on-premises S/T BRI trunk
connections to the ISDN
PBX
Modular Router Solutions
Voice and Fax Integration
3800 Series–123(11)T
28 51–12 3 (8)T4
28 21–12 3 (8)T4
Requires a Cisco
high-density analog and
digital extension module
(EVM-HD-8FXS/DID)
Requires voice feature set
Cisco Voice Network Modules
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