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Cisco SPA 303 User Guide

Cisco SPA 303
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Cisco Small Business IP Phone SPA 303 User Guide (SIP) 48
Where to Go From Here
Cisco provides a wide range of resources to help you and your customer obtain the full
benefits of the Cisco Small Business SPA 303 IP Phone.
Support
Cisco Small Business Support
Community
www.cisco.com/go/smallbizsupport
Cisco Small Business Support
and Resources
www.cisco.com/go/smallbizhelp
Phone Support Contacts www.cisco.com/en/US/support/tsd_cisco_small_business
_support_center_contacts.html
Cisco Small Business
Firmware Downloads
www.cisco.com/go/smallbizfirmware
Select a link to download firmware for Cisco Small
Business Products. No login is required.
Downloads for all other Cisco Small Business products,
including Network Storage Systems, are available in the
Download area on Cisco.com at www.cisco.com/go/
software (registration/login required).
Product Documentation
Cisco SPA 300 Series IP
Phones
www.cisco.com/go/300phonesresources
Cisco Small Business
Communications Systems
www.cisco.com/go/sbcsresources
Cisco Small Business
Cisco Partner Central for
Small Business (Partner
Login Required)
www.cisco.com/web/partners/sell/smb

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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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