Nortel Networks M3310 - Manual (Page 143)

Digital Telephone IP Adapter Installation and Administration Guide 143
January 2005 Using the digital telephone
What controls the online and offline modes
The online and offline modes can be controlled by one or both of the following:
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online/offline schedule configured for your site on the RLC at the host PBX
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special prefix (SPRE) codes configured on the Digital Telephone IP
Adapter unit at your site
For more information, refer to “SPRE Codes: Online” on page 119 and “SPRE
Codes: Offline” on page 119.