Panasonic KX-TD308 Installation Manual page 215

3 Features
Programming References
Feature References
Operation References
—User Manual
Section 4, System Programming
[100] Flexible Numbering, System working report
[806]–[807] Serial Interface (RS-232C) Parameters
Section 3, Features
Station Message Detail Recording (SMDR)
Operator / Manager Service Features
System Working Report
S
Features 3-151