Cisco SPA301 User Manual

Cisco Small Business SPA300 Series, SPA500 Series, and WIP310 IP Phone Administration Guide 6
Contents
NAT Mapping with a Static IP Address 142
NAT Mapping with STUN 143
Determining Whether the Router Uses Symmetric or Asymmetric NAT 144
Chapter 5: Configuring Security, Quality, and Network Features 146
Setting Security Features 146
Configuring Domain and Internet Settings 146
Configuring Restricted Access Domains 146
Configuring DHCP, Static IP, or PPPoE Connection Type 147
Challenging SIP Initial INVITE and MWI Messages 149
Encrypting Signaling with SIP Over TLS 149
Securing Voice Traffic with SRTP 150
Configuring Voice Codecs 150
Setting Optional Network Servers 155
Configuring VLAN Settings 156
Configuring Cisco Discovery Protocol (CDP) 156
Configuring LLDP-MED 157
TLV Information 158
Configuring the VLAN Settings 165
Configuring SSL VPN on the Cisco SPA525G or Cisco SPA525G2 167
Configuring the VPN on the Security Appliance 168
Configuring the VPN on the Cisco SPA525G or Cisco SPA525G2 168
Chapter 6: Provisioning 171
Redundant Provisioning Servers 172
Retail Provisioning 172
Automatic In-House Preprovisioning 173
Using HTTPS 174
Server Certificates 174
Client Certificates 175
Obtaining a Server Certificate 175
Manually Provisioning a Phone from the Keypad 176

Cisco SPA301 Specifications

General

Brand	Cisco
Model	SPA301
Category	IP Phone
Language	English