Cisco SPA303 User Manual download pdf (Page 5)

Data Sheet

Description Specification

Voice gateway

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SIP version 2 (RFC 3261, 3262, 3263, 3264)

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SPCP with the Cisco Unified Communications 500 Series

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SIP proxy redundancy: dynamic via DNS SRV, A records

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Re-registration with primary SIP proxy server

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SIP support in NAT networks (including STUN)

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SIPFrag (RFC 3420)

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Highly secure (encrypted) calling via Secure Real-Time Transport Protocol (SRTP)

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SIP/TLS

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Codec name assignment

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Voice algorithms:

G.711 (A-law and µ-law)

G.726 (16/24/32/40 kbps)

G.729 AB

G.722

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Dynamic payload support

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Adjustable audio frames per packet

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Dual-tone multifrequency (DTMF), in-band and out-of-band (RFC 2833) (SIP INFO)

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Flexible dial plan support with interdigit timers

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IP address/URI dialing support

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Call progress tone generation

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Jitter buffer: adaptive

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Frame loss concealment

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Voice activity detection (VAD) with silence suppression

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Attenuation/gain adjustments

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Message waiting indicator (MWI) tones

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Voicemail waiting indicator (VMWI), via NOTIFY, SUBSCRIBE

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Caller ID support (name and number)

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Third-party call control (RFC 3725)

Provisioning, administration,

and maintenance

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Integrated web server provides web-based administration and configuration

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Telephone keypad configuration via display menu/navigation

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Automated provisioning and upgrade via HTTPS, HTTP, TFTP

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Asynchronous notification of upgrade availability via NOTIFY

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Nonintrusive in-service upgrades

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Report generation and event logging

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Statistics transmitted in BYE message

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RTCP-XR

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Syslog and debug server records: configurable per line

Power supply

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Switching type (100–240V) automatic

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DC input voltage: +5 VDC at 1.0A maximum

Physical interfaces

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Two 10/100BASE-T RJ-45 Ethernet ports (IEEE 802.3)

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Handset: RJ-9 connector

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Built-in speakerphone and microphone

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Headset 2.5-mm port

Indicator lights/LED

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Speakerphone on/off button with LED

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Headset on/off button with LED

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Mute button with LED

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Message waiting indicator LED

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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

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Cisco SPA303 User Manual Page 5

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