Polycom, Inc. 175
Set Up User and Phone Security
Features
After you set up your CX5500 system on your network with the default configuration, users can place and
answer calls. Polycom’s Open SIP UC software enables you to make custom configurations to optimize
security settings.
This section shows you how to update your configuration for the following security features:
● Local User and Administrator Passwords Several local settings menus are protected with two
privilege levels—user and administrator—each with its own password.
● Incoming Signaling Validation Levels of security are provided for validating incoming network
signaling.
● Configuration File Encryption Confidential information stored in configuration files can be
protected (encrypted). The phone can recognize encrypted files, which it downloads from the
provisioning server, and it can encrypt files before uploading them to the provisioning server.
● Digital Certificates The CX5500 system supports digital certificates and associated private keys.
● Generate a Certificate Signing Request Create a request to obtain a device certificate.
● TLS Profiles Configure your phone with a profile that specifies trusted digital certificates. You can
also install and specify custom certificates.
● Support Mutual TLS Authentication Support phone authentication of the server and server
authentication of the phone.
● Configurable TLS Cipher Suites Control which of cipher suites will be offered/accepted during
TLS session negotiation.
● Secure Real-Time Transport Protocol Encrypting audio streams to avoid interception and
eavesdropping. Encrypting audio streams to avoid interception and eavesdropping.
● Lock the Phone Prevent access to the phone menu and to key presses.
● Support 802.1X Authentication Authenticate devices connecting to a local area network (LAN) or
a wireless local area network (WLAN).
● Set User Profiles Access your personal phone settings from any phone in your organization’s
network.
To troubleshoot any problems with your CX5500 system on the network, see Troubleshoot Your CX5500
System.
For more information on the configuration files, see Use the Centralized Provisioning Method -
Configuration Files.
For more information on the Web Configuration Utility, see Provision with the Web Configuration Utility.
For instructions on how to read the parameter tables for features listed in this section, see Read the
Feature Parameter Tables.
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