Instruction on how to hold calls for the 7841 and 8851 Cisco VoIP phones
You can put an active call on hold and then resume the call when you're ready.
Procedure
Step 1 Press Hold.
Step 2 To resume a call from hold, press Hold again.
When you've left a call on hold too long, you'll be notified with these cues:
Procedure
Press the flashing amber line button or Answer to resume the held call.
You can easily switch between active and held calls.
Procedure
Press Swap to switch to the held call.