Cisco SPA 303 User Guide

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Cisco Small Business IP Phone SPA 303 User Guide (SIP) 25
Using Basic Phone Functions
This chapter provides instructions on using your phone’s basic functions. It includes the
following sections:
• Using Phone Hardware and Accessories, page 26
• Adjusting Call Volume and Muting, page 27
• Placing or Answering a Call, page 28
• Using Hold and Resume, page 28
• Using Mute (Cisco SPA 303), page 29
• Ending a Call, page 29
• Transferring Calls, page 30
• Redialing a Number, page 31
• Viewing and Returning Missed Calls, page 31
• Using the Intercom, page 32
• Forwarding Calls — Online Setup, page 32
• Forwarding Calls — Phone-based Setup, page 33
• Setting Do Not Disturb, page 33
• Placing a Three-Way Conference Call, page 34
• Using Conference Bridges, page 35

Cisco SPA 303 Specifications

General

Keypad number of keys	12
Display resolution	128 x 64 pixels
Call waiting	Yes
Lines quantity	3 lines
Phonebook capacity	60 entries
Do not disturb function	No
Voice codecs	G.711, G.722
Supported network protocols	IPv4 (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 outputs	1
Ethernet LAN (RJ-45) ports	2
Suitable for use in country/location	Europe
Input voltage	100 - 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 type	IP Phone
Product color	Gray
Certification	FCC (15, B), UL, CE, A-Tick
Compliance industry standards	IEEE 802.1p/Q, IEEE 802.3

Weight and Dimensions

Weight	680 g