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2.5 Installation of the Other Cards
Installation Manual 75
2.5.3 ECHO8 Card
Function
8-channel card for echo cancellation in the Conference Mode.
Accessory and User-supplied Items
Accessory (included): Extension Bolt × 1
User-supplied (not included): none
Notes
• One Hybrid IP-PBX supports a maximum of 16 simultaneous calls that are engaged
in conference calls (e.g., 2 eight-party conferences, 4 three-party conferences + 1
four-party conferences, 5 three-party conferences).
• To establish a conference call involving 6 to 8 parties, install an ECHO8 card and
enable the echo cancellation for conference using the KX-TDA Maintenance Console
(refer to "3.3.3 Hybrid IP-PBX Configuration").