Datasheet

Series Features Overview continued
Features Details
IP Telephony Features continued
Digital Voice Support
Up to 192 calls
DSP (PVDM) Slots on
Motherboard
Up to three DSP slots on motherboard
Local Conferencing and Transcoding
Cisco CallManager Express (CCME)
Up to 96 phones
Cisco SRST
Up to 96 phones
Voice Mail and Automated Attendant
Up to 250 mailboxes with up to 16 concurrent sessions using Cisco
Unity™ Express Network Module
Voice Interfaces
FXS, FXO, Direct Inward Dial (DID), E&M, Centralized Automated
Message Accounting (CAMA), Cisco Unity Express (CUE), Basic Rate
Interface (BRI), T1, E1 Primary Rate Interface (PRI), Q.SIG, Channel
Associated Signaling (CAS)
Network Example
When To Deploy
Application Example
Cisco 2800 Series
Models NME EVM AIM HWIC PVDM*
Fixed LAN
Ports
DRAM (MB)
Default Max
Compact
Flash (MB)
Default
Max
Power
Supply
Cisco 2801
0*** 0 2 2** 2 2 FE 128 384 64 128 AC,
AC-IP
Cisco 2811
1 0 2 4 2 2 FE 256 768 64 256 AC,
AC-IP,
DC
Cisco 2821
1 NME or
NME-X
1 2 4 3 2 GE 256 1024 64 256 AC,
AC-IP,
DC
Cisco 2851
1 NME,
NMD,
NME-X, or
NME-XD
1 2 4 3 2 GE 256 1024 64 256 AC,
AC-IP,
DC
Platform Overview
* Number of PVDM slots on the motherboard, additional DSP resources can be added using a network module
** Four interface card slots total are supported on the Cisco 2801 router; two slots support HWIC, WIC, VIC,
or VWIC modules; one slot supports WIC, VIC, or VWIC modules; one slot supports VIC or VWIC modules
(in voice mode only)
*** Cisco 2801 router does not support network modules
Cisco 2800 Series
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Deploy the Cisco 2800 Series when you need:
• Performance and densities for concurrent data,
security, voice, and advanced services up to
multiple T1/E1/xDSL connections
• VPN connections, or plan to migrate to them over
time
• Integrated security services as part of the
Cisco Self Defending Network, which enable
network device protection, threat defense, secure
connectivity, and endpoint protection
and control
• Ability to upgrade the internal power supply to
support integrated 10/100 switching with PoE
support for up to 64 ports with inline power
• High-availability features such as an integrated
Redundant Power Supply (RPS) connector for
quick connections to an external redundant power
supply, Error Correction Code (ECC) Double
Data Rate (DDR) SDRAM memory to detect and
correct SDRAM errors without user intervention,
and Cisco IOS Software warm reboot support for
reduced downtime caused by system reboots
(Note: Cisco 2801 does not support ECC DDR
DRAM.)
• Secure integrated call processing, voice mail and
automated attendant, flexible telephony interfaces,
redundancy for centralized call processing, or
robust DSP support, including local conferencing
and transcoding
• Advanced management for security, routing,
Quality of Service (QoS), and switching services
with Cisco SDM Version 2.0
Options
• Complete Cisco IP Communications and voice
gateway capabilities
• Cisco Survivable Remote Site Telephony (SRST)
• Cisco Communications Express and Cisco
Unity™ Express
• Integrated stateful firewall
Site-to-Site VPN using technologies such as
EasyVPN, GET VPN, DMVPN
• Network admission control (NAC), and intrusion
prevention
• Wide Area Application Services Acceleration
• Wireless WAN Backup (3G CDMA and GSM)
• Network Analysis
• Circuit Emulation over IP (CEoIP)
• Integrated low-density switching with PoE support
• Video Surveillance, Management and Storage
• Application Performance Assurance
• Application eXtensions Platform (AXP)
IP
PSTN
WAN
Internet
Local Phone and
PBX Connections
Fully Integrated
Security Services
Support for Local
Legacy Systems
Integrated IPsec,
Firewall, IPS,
IP Communications,
QoS, and Content
Networking
Comprehensive
IP Connectivity
and Services
Broad Range of Connectivity Options
to Corporate WAN, Internet, and PSTN
for Primary and Backup Data
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