Datasheet

Data Sheet
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Security features
Secure connectivity
Site-to-site IPsec VPN
Hardware-accelerated Data Encryption Standard (DES), 3DES
IPsec tunnels (5 on SRP 520 models, 10 on SRP 540 models)
NAT transparency
Stateful inspection routing firewall
Secure HTTP (HTTPS) support for remote access management
Multi-level password-protected configuration for web
Denial-of-service (DoS) prevention
Web filtering for Java, ActiveX, proxy, and cookie blocking
VPN pass-through for IPsec, Point-to-Point Tunneling Protocol (PPTP), and L2TP
64- and 128-bit Wired Equivalent Privacy (WEP)
Service Set Identifier (SSID) broadcast disable
Access restriction by MAC and IP address
Wi-Fi Protected Setup (WPS), Wi-Fi Protected Access (WPA), WPA2
Security key bits: 64, 128
QoS features
Weighted Fair Queuing (WFQ) - four queues
Low-Latency Queuing (LLQ)
Class of service (CoS)/DSCP traffic classification and queuing by LAN port, VLAN, MAC address or
application
Traffic shaping
Provisioning, administration,
and maintenance
TR-069
Automated provisioning and upgrade via Cisco XML profile, HTTP, TFTP, HTTPS
Asynchronous notification of upgrade availability via NOTIFY
Web browser administration and configuration via integral web server
Event logging
Stats in BYE message
Syslog and debug server records
Per-line and purpose configurable syslog and debug options
Simple Network Management Protocol (SNMP) versions 1 and 2
High-availability features Automatic failover and recovery of WAN connection enabled by supported USB mobile broadband modem or
by second WAN interface (SRP 540 models)
Table 3. Voice Features of the Cisco SRP 500 Series
Feature Description
Voice gateway
SIP version 2 (RFC 3216)
Sending SIP messages via UDP/TCP
Echo cancellation (G.167 and G.168)
Dynamic jitter buffer
Simple traversal of UDP through NAT Serial Tunnel (STUN) (RFC 3489)
SDP (RFC 2327)
RTP/ RTCP over UDP, RTCP-XR (RFC 3611)
3-way conferencing
Remote firmware upgrade
Dual-tone multifrequency (DTMF) tone detection and generation
Voice activity detection (VAD)
Silence suppression
Comfort noise generation (CNG)
Caller ID generation and detection (frequency shift keying [FSK] and DTMF)
Media loopback
SIP Transport Layer Security (TLS)
Support for 2 simultaneous voice or fax calls
T.38 fax relay, including V.17, V.21, V.27ter, and V.29 and fax pass-through (pulse code modulation [PCM])
(T.38 support is dependent on fax machine and network/transport resilience)