Installation guide

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Ring Patterns Programming Code
Long ring 1
Short ring + long ring 2
Long ring + short ring 3
Three short rings 4
Ring Patterns Meaning
Double ring An outside line/internal extension is free.
(Heard only when Camp On feature is set)
Short ring A call has been forwarded to another phone.
Long ring Internal call (default setting)
Short ring + long ring External call (default setting)
Long ring + short ring See “Distinctive Ringing”
Three short rings See “Distinctive Ringing”
Guide To Ring Patterns
System Ringging - Tones
Chapter 4 - IPS System Used With Ordinary Telephones