Polycom CX5500 Administrator's Guide

Polycom CX5500 Unified Conference Station Administrator’s Guide 1.1.0
Polycom, Inc. 152
When the static DNS cache is used, the site.cfg configuration will look as follows:
Settings: Forcing NAPTR Lookups
The reg.1.server.1.port, reg.1.server.2.port, reg.1.server.1.transport, and
reg.1.server.2.transport values in this example are set to null to force NAPTR lookups.
Web Info: Using a Static DNS Cache
For more information about using a static DNS cache, see Technical Bulletin 36033: Using a Static
DNS Cache with SoundPoint IP and SoundStation IP Phones.
Displaying SIP Header Warnings
The warning field from a SIP header may be configured to display a three second pop-up message on the
phone, for example, that a call transfer failed due to an invalid extension number. For more information,
see Header Support.

Polycom CX5500 Specifications

General

Field of View	360 degrees
Camera Resolution	1920 x 1080
Microphone Range	12 feet (3.6 meters)
Connectivity	USB
Audio Bandwidth	160 Hz to 22 kHz
Speaker	Built-in speaker
Compatibility	Microsoft Lync, Microsoft Skype for Business