Mitel 5224 User Manual page 22

To leave all ACD groups:
1. Lift the handset (optional on devices that support on-hook dialing).
2. Dial the Group Presence - Join All ACD Groups feature access code.
To change another group member's presence status:
1. Lift the handset.
2. Dial the Group Presence - Join Group Third Party or Group Presence
- Leave Group Third Party .
3. Dial the directory number of the group member.
4. Dial the group directory number.
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