Contents
Cisco SPA and Wireless IP Phone Administration Guide
4
Configuring SDP Payload Types
98
Configuring SIP Settings for Extensions
101
Configuring SPCP on the SPA525G
109
Network Address Translation (NAT) and Cisco IP Phones
109
NAT Mapping with Session Border Controller
110
NAT Mapping with SIP-ALG Router
110
Configuring NAT Mapping with a Static IP Address
110
Configuring NAT Mapping with STUN
111
Determining Whether the Router Uses Symmetric or
Asymmetric NAT
113
Chapter 6: Configuring Security, Quality, and Network Features
115
Setting Security Features
115
SIP Initial INVITE and MWI Challenge
115
SIP Over TLS
116
SRTP and Securing Calls
117
Ensuring Voice Quality
118
Supported Codecs
118
Bandwidth Requirements
120
Factors Affecting Voice Quality
121
Configuring Voice Codecs
123
Configuring Domain and Internet Settings
126
Configuring Restricted Access Domains
126
Configuring DHCP, Static IP, and PPPoE Information
126
Setting Optional Network Parameters
129
Configuring VLAN Settings
131
Using the IP Phones in a VLAN
131
Chapter 7: Provisioning Basics
133
Provisioning Capabilities
134
Provisioning Configuration from Phone Keypad
134