Panasonic KX-TD500 User Manual page 148

4.3 Station Features and Operation
Programming References
• System Programming — Installation Manual, Section 4
4.2.3 System - Class of Service
4.2.4 System - System Timer
4.2.6 System - Trunk to Trunk Restriction
— Time Limit of Outside Calls
— Call FWD to CO
— Trunk Group Setting
— Extension-to-CO Line Call Duration Time (1-64 min.)
— CO-to-CO Line Call Duration Time (1-64 min.)
Station Features and Operation
C
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