C
Cancelling (all)
1
2
3
4
your MSN + #
5
Programming References
• System Programming — Installation Manual
[518] CFU / CFB / CFNR Assignment
16
6.2
SLT and ISDN Telephone Features
1. Lift the handset.
2. Dial the feature number (710).
3. Dial 90.
4. Dial your multi subscriber number (MSN) and press #.
• You hear a confirmation tone and then a dial tone.
5. On-hook.