Avaya 1220 用户指南

You can use the following features during a call:

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Use the Hold feature to retain your current call and answer another call. 

Place the original call on hold and then answer the second call.

3. Dial the DN of the IP Deskphone that is 

ringing (and does not belong to your call 

pickup group). If the pickup DN or group 

number is invalid (you hear an overflow 

burst tone and the screen displays 
Goodbye and try again)

; press the 

key.