Cisco SPA301 - Configuring Security, Quality, and Network Features; Setting Security Features

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Cisco Small Business SPA300 Series, SPA500 Series, and WIP310 IP Phone Administration Guide 146

Configuring Security, Quality, and Network

Features

This chapter describes how to configure security, voice quality, and optional

network features for the phone:

• Setting Security Features

• Configuring Voice Codecs

• Setting Optional Network Servers

• Configuring VLAN Settings

• Configuring SSL VPN on the Cisco SPA525G or Cisco SPA525G2

Setting Security Features

The security features ensure that calls are secure and authenticated.

Configuring Domain and Internet Settings

Configuring Restricted Access Domains

If you enter domains, the Cisco IP phones respond to SIP messages only from the

identified servers.

To configure restricted access domains, navigate to Admin Login > advanced >

Voice > System. Under System Configuration in the Restricted Access Domains

field. Enter fully-qualified domain names (FQDNs) for each SIP server you want the

phone to respond to. Separate FQDNs with semicolons. For example,

voiceip.com;voiceip1.com.

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