Cisco SPA303 Brochure - Page 5

Data Sheet Description Voice gateway Provisioning, administration, and maintenance Power supply Physical interfaces Indicator lights/LED Dimensions (W x H x D) Unit weight Operating temperature Storage temperature Operating humidity Storage humidity Specification ● 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) ● 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 ● Switching type (100-240V) automatic ● DC input voltage: +5 VDC at 1.0A maximum ● 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 ● Speakerphone on/off button with LED ● Headset on/off button with LED ● Mute button with LED ● Message waiting indicator LED ● LED test function 8.66 x 7.80. x 1.18 in. (220 x 198 x 30 mm) 1.50 lb ( 0.68kg) 32º ~ 113ºF (0º ~ 40ºC) -13º ~ 185ºF (-20º ~ 70ºC) 5% to 95% noncondensing 5% to 95% noncondensing © 2010 Cisco Systems, Inc. All rights reserved. This document is Cisco Public Information. Page 5 of 7