Cisco SPA 303 User Guide

Using Basic Phone Functions
Adjusting Call Volume and Muting
Cisco Small Business IP Phone SPA 303 User Guide (SIP) 27
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Adjusting Call Volume and Muting
Adjusting Call Volume
Cisco SPA 301
With the headset off the phone, press the Vol. button repeatedly to increase the volume. When
the volume reaches the maximum, the next button press reduces the volume to the minimum.
Cisco SPA 303
To adjust the volume of the handset or speaker, lift the handset or press the Speaker button.
Press + on the Volume button to increase the volume, or press - to decrease the volume. Press
OK.
Adjusting the Ringer Volume
Cisco SPA 301
To adjust the ringer volume, press the Vol . button when the handset is on the phone. When the
ringer volume reaches the maximum, the next button press reduces the volume to the
minimum.
Cisco SPA 303
To adjust the ringer volume, press the Volume button when the handset is on the phone and the
speaker button is off. Press OK.
Using Mute (Cisco SPA 303)
To mute the phone microphone, speaker, or headset microphone, press the Mute button on the
phone. The button glows red. Press the Mute button again to unmute.

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