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Cisco SPA 303 User Guide

Cisco SPA 303
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Getting Started
Overview of the Cisco Small Business IP Phones
Cisco Small Business IP Phone SPA 303 User Guide (SIP) 6
1
Overview of the Cisco Small Business IP Phones
The Cisco Small Business IP Phones are full-featured VoIP (Voice over Internet Protocol)
phones that provide voice communication over an IP network. The phones provide traditional
features, such as call forwarding, redialing, speed dialing, transferring calls, conference calling
and accessing voice mail. Calls can be made or received with a handset, headset or over a
speaker.
IP phones also have special features not available in traditional phones. The Cisco Small
Business IP phones contain Ethernet ports, or ports that allow them to be linked to the
computer network. They also have additional Ethernet ports that allow a computer to be
connected to the network through the IP phone. Unlike traditional phones, Cisco Small
Business IP phones require a separate power source. This power adapter is included with the
phone.
TheCisco SPA 303 has the following features:
128 X 64 monochrom LCD
3 lines
4 dynamic softkeys
4-way navigations key
Caring for Your Phone
The Cisco Small Business IP phones are electronic devices that should not be exposed to
excessive heat, sun, cold or water. To clean the equipment, use a slightly moistened paper or
cloth towel. Do not spray or pour cleaning solution directly onto the hardware unit.

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Cisco SPA 303 Specifications

General IconGeneral
Keypad number of keys12
Display resolution128 x 64 pixels
Call waitingYes
Lines quantity3 lines
Phonebook capacity60 entries
Do not disturb functionNo
Voice codecsG.711, G.722
Supported network protocolsIPv4 (RFC 791), ARP, DNS (RFC 1706), SRV (RFC 2782), DHCP (RFC 2131), ICMP (RFC 792), TCP (RFC 793), UDP (RFC 768), RTP (RFC 1889, 1890), RTCP (RFC 1889), RTCP-XR (RFC 3611), DiffServ (RFC 2475), ToS (RFC 791, 1349), SNTP (RFC 2030)
Headphone outputs1
Ethernet LAN (RJ-45) ports2
Suitable for use in country/locationEurope
Input voltage100 - 240 V
Dimensions (WxDxH)220 x 30 x 198 mm
Storage temperature (T-T)-20 - 70 °C
Operating temperature (T-T)0 - 40 °C
Operating relative humidity (H-H)5 - 95 %
Product typeIP Phone
Product colorGray
CertificationFCC (15, B), UL, CE, A-Tick
Compliance industry standardsIEEE 802.1p/Q, IEEE 802.3
Weight and Dimensions IconWeight and Dimensions
Weight680 g

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