Polycom CX700 User Manual

User Guide for the Polycom CX700 IP Phone
4 - 6
Making and Receiving Calls
Symptom Problem Corrective Action
There is no dial tone. Power is not correctly applied to
the Polycom CX700 IP phone.
Do one of the following steps:
• Check that the display is illuminated.
• Make sure the LAN cable is inserted
properly at the rear of the phone (try
unplugging and re-inserting the
cable).
• If using in-line powering, have your
system administrator check that the
switch is supplying power to the
phone.
Dial tone is not present on one of
audio paths.
Do one of the following steps:
• Switch between handset, headset (if
present) or speakerphone to see if dial
tone is present on other paths.
• If dial tone exists on another path,
connect a different handset or
headset to isolate the problem.
• Verify that the phone is logged in and
registered with Microsoft Lync 2010
Server.

Polycom CX700 Specifications

Power

power over Ethernet	IEEE 802.3af Class 2
maximum power consumption	13 Watts

LCD Display

display size	5.7 inches
display type	amorphous-TFT Active-Matrix Transmissive
display resolution	320x240

Audio

frequency response	30 – 20kHz
signal-to-noise ratio	78 dB (@ 1kHz)
dynamic range	>80 dB (@ 1kHz)
total harmonic distortion + noise	<0.08% (@ 1 kHz)

Operating Environment

operating temperature range	-10°C to 40°C
relative humidity	80% max (non-condensing)
operating altitude range	-304.8 meter to 3962.4 meter

Weight and Dimensions

dimensions when not tilted	252.7 x 268.6 x 91.3 mm
dimensions when tilted up	193.2 x 268.6 x 192.1 mm
unit weight	2.1 kg
handset weight	200 g
shipping weight	2 kgs