C2901-VSEC/K9

Product Code

C2901-VSEC/K9

Bundle

Cisco 2901 Voice Sec. Bundle, PVDM3-16, UC and SEC License PAK

Rack Units

1U

Interfaces

2 integrated 10/100/1000 Ethernet ports

Expansion Slot(s)

2 onboard digital signal processor (DSP) slots

4 enhanced high-speed WAN interface card slots

1 onboard Internal Service Module for application services

RAM

512 MB (installed) / 2 GB (max)

Flash Memory

256 MB (installed) / 8 GB (max)

Dimensions

43.9 cm x 43.8 cm x 4.5 cm

?

SYS

?

On/Off switch

?

ACT

?

AC power connector

?

POE

?

EHWIC 0,1,2 and 3 (0, far right)

?

USB 0 and 1 (1, top)

?

Compact flash 0 and 1

?

AUX

?

USB serial port

?

10/100/1000 Ethernet port (GE 0/0)

?

RJ-45 serial console port

?

Ground

?

10/100/1000 Ethernet port (GE 0/1)

Authentication and
Encryption Features

• Media encryption of voice RTP streams using SRTP
• Exchange of RTP Control Protocol (RTCP) information using secure RTCP
• SRTP to RTP fallback for calls between secure and insecure endpoints
• Secure calls supported in Cisco Unified Survivable Remote Site Telephony (SRST) mode during WAN failover
• Compressed RTP (CRTP) supported with media encrypted calls using SRTP

Authentication and
Encryption Algorithm

• Supports AES-128 encryption algorithm
• Supports the HMAC secure hash authentication algorithm (SHA 1)

Signaling Authentication and Encryption Features

• Gateway to Cisco Unified Communications Manager signaling and encryption uses IPSec for Media Gateway Control Protocol (MGCP), H.323 and SIP gateways
• IP phone to Cisco Unified Survivable Remote Site Telephony router signaling and encryption uses TLS 
   (Transport Layer Security)

Protocol Support

• MGCP 0.1 (supports MGCP gateways with Cisco Unified Communications Manager)
• H.323 (supported on H.323 gateways and CUBE; Cisco Unified Communications Manager interoperability is optional)
• Session Initiation Protocol (SIP)
• SCCP (Cisco Unified IP Phone) in SRST mode

Module Support

• Any module that has PVDM2, PVDM3 and/or built-in DSP

Codec Support

• G.711, G.729A, and G.729

Models

Description

HWIC-2T

2-Port Serial WAN Interface Card Cisco Router High-Speed WAN Interface card

EHWIC-1GE-SFP-CU

Cisco 1900, 2900, 3900 Router EHWIC WAN Card vb 
EHWIC-1GE-SFP-CU

EHWIC-4ESG

Four port 10/100/1000 Base-TX Gigabit Ethernet switch interface card for Cisco 1900 2900 3900 Routers

ISM-SRE-300-K9

Internal Services Module (ISM) with Services Ready Engine

MEM-CF-256U1GB

256MB to 1GB Compact Flash Upgrade for Cisco 1900,2900,3900

MEM-CF-256U2GB

256MB to 2GB Compact Flash Upgrade for Cisco 1900,2900,3900

MEM-CF-256U512MB

256MB to 512MB CF Upgrade for Cisco 1900,2900,3900 ISR

MEM-CF-256U4GB

256MB to 4GB Compact Flash Upgrade for Cisco 1900,2900,3900

MEMUSB-1024FT

1GB USB Flash Token

Model

CISCO2901/K9

C2901-VSEC/K9

Bundle

N/A

Voice Security Bundle

Interface

2GE

2GE

EHWIC slot

4

4

SIM Slot

0

0

SFP

0

0

Memory

512MB (installed) / 2 GB (max)

512MB (installed) / 2 GB (max)

Flash Memory

256 MB (installed) / 8 GB (max)

256 MB (installed) / 8 GB (max)

Rack Unit

1U

1U