Cisco 521SG Administration Guide - Page 317

Cisco SPA IP Phone Field Reference Attendant Console Tab (Cisco SPA500 Series) A Parameter Description LCD Contrast Enter a number value from 1 to 30. The higher the number, the greater the contrast on the IP phone screen. Back Light Enable Select yes to enable the IP phone screen back light. Back Light Timer (sec) Enter the number of seconds before the back light should turn off. Attendant Console Tab (Cisco SPA500 Series) General Parameter Subscribe Expires Subscribe Retry Interval Unit 1 Enable Subscribe Delay Unit 2 Enable Server Type Description Specifies how long the subscription remains valid. After the specified period of time, elapses, the Cisco Attendant Console initiates a new subscription. Defaults to 1800. Specifies the length of time to wait to try again if subscription fails. Enables or disables the first Cisco Attendant Console unit (each IP phone can have up to two Cisco Attendant Consoles attached). Length of delay before attempting to subscribe. Defaults to 1. Enables or disables the second Cisco Attendant Console unit (each IP phone can have up to two Cisco Attendant Consoles attached). Selects the type of server used (Cisco SPA9000, BroadSoft, or Asterisk). Cisco Small Business SPA300 Series, SPA500 Series, and WIP310 IP Phone Administration Guide 316