Table of Contents
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Secondary COS. However, either one of them is valid at a time. The Manager and the
Operators can change the COS level of any extension including their own.
Programming Guide References
• 2.4 Class of Service (COS)
• 4.3 Extension Line
– [COS No.] Primary
– [COS No.] Secondary
• 4.7 ISDN Extension Line
– [COS No.] Primary
– [COS No.] Secondary
Features Guide References
1.6 Originating Features
• Walking COS
User Manual References
• 3.1.5 Changing Service Level of Extensions (Switching COS)
Features Guide
1.3 System Features
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Table of Contents
