Polycom SoundPoint IP 550 User Manual

User Guide for the SoundPoint IP 550/560 Phone
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Changing the Backlight Intensity
Backlight intensity on the SoundPoint IP 550/560 phone has three
components:
• Backlight On
• Backlight Idle
• Maximum Intensity
You can modify the Backlight On intensity and the Backlight Idle intensity
separately. You can select high, medium, low, and off levels for both.
When you modify the Maximum Intensity, you are modifying the entire
backlight intensity scale. For example, if you decrease the Maximum Intensity,
the low, medium, and high values for both Backlight On intensity and the
Backlight Idle intensity decrease.
The Backlight On intensity applies for the following events:
• Any key press
• Hookswitch release
• Incoming calls
• Ending a call, holding a call, resuming a call by the other party
• A voice or instant message received
If you do not press any keys on the phone after 20 seconds of the backlight
turning on, the backlight dims (or changes) to medium in the following cases:
• A call is in progress
• A call is on hold
• There is an incoming call (ringing)
• There is an outgoing call (ringing back)
• Any menu shows on the display
In all other cases, the Backlight Idle intensity applies.
To modify the backlight intensity:
1. Press .
2. Select Settings > Basic > Backlight Intensity.

Polycom SoundPoint IP 550 Specifications

General

Full duplex	Yes
Camera included	No
Frequency range	150 - 7000 Hz
Base station keys	26 + 4
Channels quantity	2 channels
Dimensions (WxDxH)	265 x 150 x 190 mm
Networking features	DHCP/Static IP
Ethernet LAN (RJ-45) ports	2
Supported network protocols	FTP, TFTP, HTTP, HTTPS
Supported data transfer rates	10/100 Mbit/s
Product color	Gray
Storage temperature (T-T)	-40 - 70 °C
Operating temperature (T-T)	10 - 40 °C
Operating relative humidity (H-H)	20 - 85 %
Power requirements	48V DC
Volume control	Digital
Voice codecs	G.722
Backlight color	-
Display resolution	320 x 160 pixels
Safety	UL/C-UL; CE Mark-1; EN 60950-1; IEC 60950-1; AS/NZS 60950
Certification	- FCC Part 15 (CFR 47) Class B - ICES-003 Class B - EN55022 Class B - CISPR22 Class B - AS/NZS CISPR 22 Class B - VCCI Class B - EN55024 - EN61000-3-2; EN61000-3-3 - ROHS - Anatel - GOST - C-tick - CCC
Compliance industry standards	IEEE 802.3af; IEEE 802.1p;IEEE 1329; RFC 1889

Weight and Dimensions

Weight	2045 g