Panasonic KX-TD816 Features Manual page 141

b) The call is received at the corresponding CO button which only flashes. (Default)
c)
The system sends a busy tone.
To select how the call is treated, refer to program [990] System Additional Information, Area
07 - Bit 13, 12.
Note
After ISDN assignments, you should reset the system so that the assignments are effective.
Connection References
• 3.2.1 Location of the Units
• 3.2.2 Installation the Unit
Programming Guide References
• [420] ISDN Ring Service Assignment
• [423] ISDN Port Type
• [424] ISDN Layer 1 Active Mode
• [425] ISDN Configuration
• [426] ISDN Data Link Mode
• [427] ISDN TEI Mode
• [453] SPID Assignment
• [454] DN Assignment
• [455-456] Extension Ringing Assignment —— Day / Night for ISDN
• [990] System Additional Information
Features Guide References
None
User Manual References
Not applicable.
Features Guide
General Features
141