1.1 General Features
Features Guide References
• Busy Station Signalling (BSS)
• Call Waiting
• Off-Hook Call Announcement (OHCA)
User Manual References
• 2.7.3 Receiving a Call Waiting (Call Waiting/Off-Hook Call Announcement [OHCA]/
Whisper OHCA)
• 2.4.7 Answering a Call Waiting
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Features Guide