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Cisco Small Business SPA 300 Series, SPA 500 Series, and WIP310 IP Phone Administration Guide 116
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 116
• Ensuring Voice Quality, page 120
• Configuring Voice Codecs, page 125
• Configuring Domain and Internet Settings, page 128
• Setting Optional Network Parameters, page 131
• Configuring VLAN Settings, page 133
• Configuring SSL VPN on the Cisco SPA 525G/525G2, page 135
Setting Security Features
The following features help ensure that calls are secure and authenticated.
• SIP Initial INVITE and MWI Challenge, page 117
• SIP Over TLS, page 117
• SRTP and Securing Calls, page 118
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