Cisco SPA942 - Cisco - IP Phone User Manual

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

Cisco SPA942 - Cisco - IP Phone Specifications

General

Brand	Cisco
Model	SPA942 - Cisco - IP Phone
Category	IP Phone
Language	English