Cisco SPA303 Administration Manual page 46

Configuring Lines and Extensions
Configuring Extensions
STEP 3
STEP 4
Cisco Small Business SPA300 Series, SPA500 Series, and WIP310 IP Phone Administration Guide
Click the Ext <number> tab for the extension you want to configure.
In the General section, make sure that Line Enable is set to yes.
You can configure many parameters differently for different extensions. These
parameters are grouped on the Ext <number> tab. These parameters are
explained in other sections of this document:
• NAT, Network, and SIP
NAT."
• Call Feature Settings—Chapter 3, "Customizing Cisco SPA and Wireless
IP Phones."
• Proxy and Registration—Chapter 4, "Configuring SIP, SPCP, and NAT."
• Subscriber Information—Chapter 4, "Configuring SIP, SPCP, and NAT."
• Audio (Codec)
and Network Features."
• Dial Plan—Chapter 3, "Customizing Cisco SPA and Wireless IP Phones."
Settings—Chapter 4, "Configuring SIP, SPCP, and
Configuration—Chapter 5, "Configuring Security, Quality,
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