NEC SL1000 Features And Specifications Manual page 10

SL1000 ISSUE 1.0
• Lift the handset or press Speaker, then press a line key for trunk dial tone.
Port Assignments
Port Calculation for Trunks:
The system detects the type of unit (trunk or extension) and assigns the required extension or trunk
ports to the slot. The system will use the next available port numbers - it will not reserve any
1-2 Features