Cisco SPA 502G Administration Guide

Cisco Small Business SPA 300 Series, SPA 500 Series, and WIP310 IP Phone Administration Guide 5
Contents
NAT Mapping with Session Border Controller 112
NAT Mapping with SIP-ALG Router 112
Configuring NAT Mapping with a Static IP Address 112
Configuring NAT Mapping with STUN 113
Determining Whether the Router Uses Symmetric or Asymmetric NAT 114
Chapter 5: Configuring Security, Quality, and Network Features 116
Setting Security Features 116
SIP Initial INVITE and MWI Challenge 117
SIP Over TLS 117
SRTP and Securing Calls 118
Secure Call Indication Tone 119
Ensuring Voice Quality 120
Supported Codecs 120
Bandwidth Requirements 121
Factors Affecting Voice Quality 122
Configuring Voice Codecs 125
Configuring Domain and Internet Settings 128
Configuring Restricted Access Domains 128
Configuring DHCP, Static IP, and PPPoE Information 129
Setting a Static IP Address 130
Configuring PPPoE Settings (Cisco SPA 525G/525G2 only) 131
Setting Optional Network Parameters 131
Configuring VLAN Settings 133
Using the IP Phones in a VLAN 133
Configuring SSL VPN on the Cisco SPA 525G/525G2 135
Configuring the VPN on the Security Appliance 136
Configuring the VPN on the Cisco SPA 525G/525G2 136
Chapter 6: Provisioning Basics 139
Provisioning Capabilities 140
Provisioning Configuration from Phone Keypad 140

Cisco SPA 502G Specifications

General

Brand	Cisco
Model	SPA 502G
Category	IP Phone
Language	English