Cisco SPA525G2 Brochure - Page 4
Data Sheet, Automated provisioning and upgrade via HTTPS, HTTP, or Trivial File Transfer Protocol TFTP - vpn configuration
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Data Sheet Feature Data features Security Provisioning, administration, and maintenance Benefit ● Voice algorithms: ◦ G.711 (A-law and µ-law) ◦ G.726 (32 kbps) ◦ G.729 AB ◦ G.722, Wideband Audio ● Dynamic payload support ● Adjustable audio frames per packet ● Dual-tone multi-frequency (DTMF): in-band and out-of-band (RFC 2833), SIP INFO (RFC 2976) ● Flexible dial plan support with inter-digit timers ● IP address/Uniform Resource Identifier (URI) dialing support ● Call progress tone generation ● Jitter buffer - adaptive ● Frame loss concealment ● Voice activity detection (VAD) with silence suppression ● Attenuation/gain adjustments ● VMWI via NOTIFY, SUBSCRIBE ● Caller ID support (name and number) ● MAC address (IEEE 802.3) ● IPv4 (RFC 791) ● Address Resolution Protocol (ARP) ● DNS A record (RFC 1706), SRV record (RFC 2782) ● Dynamic Host Configuration Protocol (DHCP) client (RFC 2131) ● Point-to-Point Protocol over Ethernet (PPoE) client (RFC 2516) ● Internet Control Message Protocol (ICMP) (RFC 792) ● TCP (RFC 793) ● UDP (RFC 768) ● Real Time Protocol (RTP) (RFC 1889, 1890) ● Real Time Control Protocol (RTCP) (RFC 1889), RTCP-XR (RFC 3611) ● Differentiated Services (DiffServ) (RFC 2475), type of service (ToS) (RFC 791, 1349) ● VLAN tagging 802.1p/Q ● Simple Network Time Protocol (SNTP) (RFC 2030) ● Password-protected system reset to factory default ● Password-protected administrator and user access authority ● HTTPS with factory-installed client certificate ● HTTP digest - encrypted authentication via MD5 (RFC 1321) ● Up to 256-bit Advanced Encryption Standard (AES) encryption ● SIP over TLS for signaling encryption ● AnyConnect SSL VPN ● SRTP for media encryption ● Web browser administration and configuration via integrated web server ● Automated provisioning and upgrade via HTTPS, HTTP, or Trivial File Transfer Protocol (TFTP) ● Asynchronous notification of upgrade availability via NOTIFY ● Nonintrusive, in-service upgrades ● Report generation and event logging ● Stats in BYE message ● RTP media loopback for quality of service (QoS) monitoring ● Syslog and debug server records - per-line configurable © 2010 Cisco and/or its affiliates. All rights reserved. This document is Cisco Public Information. Page 4 of 6