Cisco 850 Series Manual page 86

Cisco Voice Network Modules
Analog and ISDN Basic Rate Voice Network Modules
Product Description
NM-HD-2VE Provides a two-slot
voice/fax network module
Two-slot IP Communications
with an integrated digital
Enhanced Voice/Fax
signal processor (DSP),
Network Module
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, four BRI ports, 24
medium complexity, or
48 G . 7 11 digital T1/E1
voice channels . Connects
to standard telephony
equipment such as PBXs,
key systems, phones, and
fax machines .
Modular Router Solutions
NM-HDA-4FXS This base board is
always required for any
High-density Analog Voice/
configuration of NM-HDA .
Fax Network Module with
It comes with four built-in
4 FXS
FXS ports . Onboard DSP
resources can service
eight voice calls using
high-complexity codecs:
G . 7 11 a/u; G . 7 26 at 32k, 24k
and 16k; G . 7 28; G . 7 29, A,
B, AB; G . 7 23 . 1 at 5 .3k and
6 .3k; clear channel codec,
fax relay . Also supports 16
voice calls using medium-
complexity codecs: G . 7 11
a/u, G . 7 26 at 32k, 24k, and
16k; G . 7 29A and AB; clear
channel codec, fax relay .
Supports two expansion
modules and one DSP
module .
Modular Router Solutions
Voice and Fax Integration
166
continued
Supported Platforms
and Minimum Cisco
IOS Versions Comments
Voice and Fax Integration Requires voice interface
card and voice feature set .
3800 Series–12 .3(11)T
The VWIC2-1MFT-G703
2811, 2821, and
and VWIC2-2MFT-G703
2851–12 .3(8)T4
are not supported on the
NM-HD-2VE .
3800 Series–12 .3(11)T Prior to Cisco IOS 12 .3
Mainline, requires a Cisco
2811, 2821, and
IOS "Plus" feature set .
2851–12 .3(8)T4
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 .
Analog and ISDN Basic Rate Voice Network Modules
Product Description
EVM-HD-8FXS/DID With support for up to 24
total voice and fax sessions,
High-Density Analog and
the Cisco High-Density
Digital Extension Module
Extension Module is ideal
for Voice and Fax
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 requirements .
Components: Baseboard
with eight 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
EM-4BRI-NT/TE
Adds support for BRI
(NT and TE) for use with
Four-port Voice and Fax
the Cisco High-Density
Expansion Module
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
Cisco Voice Network Modules
continued
Supported Platforms
and Minimum Cisco
IOS Versions Comments
Extension Voice Module Requires a Cisco IOS voice
(EVM) slot only: feature set .
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
3800 Series–12 .3(11)T Requires a Cisco
high-density analog and
2851–12 .3(8)T4
digital extension module
2821–12 .3(8)T4
(EVM-HD-8FXS/DID) .
Requires voice feature set .
167