3 Line IP Phone with Display and PC Port

Description Specification Data networking • 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) • Internet Control Message Protocol (ICMP) (RFC 792) • TCP (RFC 793) • User Datagram Protocol UDP (RFC 768) • Real Time Protocol RTP (RFC 1889, 1890) • Real Time Control Protocol (RTCP) (RFC 1889) • Real Time Control Protocol - Extended Report ( RTCP-XR) ( RFC 3611 ) • Differentiated Services (DiffServ) (RFC 2475) • Type of service (ToS) (RFC 791, 1349) • VLAN tagging 802.1p/Q: Layer 2 quality of service (QoS) • Simple Network Time Protocol (SNTP) (RFC 2030) Voice gateway • SIP version 2 (RFC 3261, 3262, 3263, 3264) • SPCP with the Cisco Unified Communications 500 Series • SIP proxy redundancy: dynamic via DNS SRV, A records • Re-registration with primary SIP proxy server • SIP support in NAT networks (including STUN) • SIPFrag (RFC 3420) • Highly secure (encrypted) calling via Secure Real-Time Transport Protocol (SRTP) • SIP/TLS • Codec name assignment • Voice algorithms: • G.711 (A-law and μ-law) • G.726 (16/24/32/40 kbps) • G.729 AB • G.722 • Dynamic payload support • Adjustable audio frames per packet • Dual-tone multifrequency (DTMF), in-band and out-of-band (RFC 2833) (SIP INFO) • Flexible dial plan support with interdigit timers • IP address/URI dialing support • Call progress tone generation • Jitter buffer: adaptive • Frame loss concealment • Voice activity detection (VAD) with silence suppression • Attenuation/gain adjustments • Message waiting indicator (MWI) tones • Voicemail waiting indicator (VMWI), via NOTIFY, SUBSCRIBE • Caller ID support (name and number) • Third-party call control (RFC 3725) Provisioning, administration, and maintenance • Integrated web server provides web-based administration and configuration • Telephone keypad configuration via display menu/navigation • Automated provisioning and upgrade via HTTPS, HTTP, TFTP • Asynchronous notification of upgrade availability via NOTIFY • Nonintrusive in-service upgrades • Report generation and event logging • Statistics transmitted in BYE message • RTCP-XR • Syslog and debug server records: configurable per line Power supply • Switching type (100-240V) automatic • DC input voltage: +5 VDC at 1.0A maximum Physical interfaces • Two 10/100BASE-T RJ-45 Ethernet ports (IEEE 802.3) • Handset: RJ-9 connector • Built-in speakerphone and microphone • Headset 2.5-mm port Indicator lights/LED • Speakerphone on/off button with LED • Headset on/off button with LED • Mute button with LED • Message waiting indicator LED • LED test function Dimensions (W x H x D) 8.66 x 7.80. x 1.18 in. (220 x 198 x 30 mm) Unit weight 1.50 lb ( 0.68kg) Operating temperature 32º ~ 113ºF (0º ~ 40ºC) Storage temperature -13º ~ 185ºF (-20º ~ 70ºC) Operating humidity 5% to 95% noncondensing Storage humidity 5% to 95% noncondensing