Polycom CX5500 Unified Conference Station Administrator’s Guide 1.1.0
Polycom, Inc. 227
To capture the phone’s current screen:
1 Modify your configuration file to enable the screen capture feature.
2 Open your configuration file in an XML editor and add the following line:
3 Save the configuration file and update your phone’s configuration.
4 On the phone, turn on the screen capture feature from the Screen Capture menu (Settings >
Basic > Preferences > Screen Capture).
Turn the screen capture on again (repeat this step) each time the phone restarts or reboots.
5 In a Web browser, enter http://<phoneIPaddress>/captureScreen as the browser address.
To find your phone’s IP address, navigate to Settings > Status > Platform > Phone.
The Web browser displays an image showing the phone’s current screen. The image can be saved
as a BMP or JPEG file.
LLDP and Supported TLVs
The Link Layer Discovery Protocol (LLDP) is a vendor-neutral Layer 2 protocol that allows a network
device to advertise its identity and capabilities on the local network.
Web Info: Using the LLDP Protocol
The protocol was formally ratified as IEEE standard 802.1AB in May 2005. Refer to section 10.2.4.4
of the LLDP-MED standard.
The LLDP feature supports VLAN discovery and LLDP power management, but not power negotiation.
LLDP has a higher priority than CDP and DHCP VLAN discovery.
Settings: Enabling VLAN Using Multiple Method
There are four ways to obtain VLAN on the phone and they can all be enabled, but the VLAN used
is chosen by the priority of each method: 1. LLDP; 2. CDP; 3. DVD (VLAN Via DHCP); 4. Static
(the VLAN ID is entered through the phone’s user interface).
The following mandatory and optional Type Length Values (TLVs) are supported:
Mandatory:
● Chassis ID—Must be first TLV
● Port ID—Must be second TLV
● Time-to-live—Must be third TLV, set to 120 seconds
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