Panasonic KX-NS500 Features Manual page 201

10.9 PBX Configuration—[2-9] System—System Options—Option 2—
Conference
10.9 PBX Configuration—[2-9] System—System Options—Option 3
→ Confirmation Tone—Tone 4-1 : Start Conference
→ Confirmation Tone—Tone 4-2 : Finish Conference
→ Echo Cancel—Conference
10.9 PBX Configuration—[2-9] System—System Options—Option 8—
Number of Speakers During a Conference Group Call
12.1.4 PBX Configuration—[4-1-4] Extension—Wired Extension—Flexible Button—
12.2.3 PBX Configuration—[4-2-3] Extension—Portable Station—Flexible Button—
Feature Guide References
2.21.2 Flexible Buttons
6.1 Capacity of System Resources
User Manual References
1.4.5 Multiple Party Conversation
2.14.2 Conference
CO - CO Call Limitation—After
Conference Group—Maximum
Type
Type
Feature Guide 201