Cisco Small Business SPA509G - Chapter 5: Configuring Security, Quality, and Network Features; Setting Security Features

5
Cisco Small Business SPA300 Series, SPA500 Series, and WIP310 IP Phone Administration Guide 133
Configuring Security, Quality, and Network
Features
This chapter describes how to configure security, quality, and network features for
the phone. It contains the following sections:
• Setting Security Features, page 133
• Ensuring Voice Quality, page 136
• Configuring Voice Codecs, page 142
• Configuring Domain and Internet Settings, page 146
• Setting Optional Network Parameters, page 149
• Configuring VLAN Settings for IP Phones, page 151
• Configuring SSL VPN on the Cisco SPA525G/525G2, page 161
Setting Security Features
The following features help ensure that calls are secure and authenticated.
• SIP Initial INVITE and MWI Challenge, page 134
• SIP Over TLS, page 134
• SRTP and Securing Calls, page 135