Panasonic KX-TDA15 Features Manual page 170

1.13 Conference Features
→ Unattended Conference—Disconnect Timer
3.8.11 [2-7-1] Class of Service—COS Settings—TRS—Transfer to CO
3.8.17 [2-9] System Options—Option 3
→ Confirmation Tone—Tone 4-1 : Start Conference
→ Confirmation Tone—Tone 4-2 : Finish Conference
→ Echo Cancel—Conference
3.10.5 [4-1-4] Wired Extension—Flexible Button—Type
3.10.13 [4-2-3] Portable Station—Flexible Button—Type
3.10.17 [4-3] DSS Console—Flexible Button—Type
PT Programming Manual
None
Feature Guide References
1.18.2 Flexible Buttons
3.1 Capacity of System Resources
User Manual References
1.4.5 Multiple Party Conversation
170 Feature Guide