Operating instructions

- Contents -
34
6 Using with private exchanges ............................................57
6.1 Consultation....................................................................... 57
6.2 Consultation and forwarding ................................................ 57
6.3 Direct forwarding................................................................ 57
6.4 Forwarding via the menu ..................................................... 58
7 Troubleshooting ..............................................................59
8 Important information......................................................60
8.1 Changing the telephone cable .............................................. 60
8.2 Dialling code for international and national calls ..................... 60
8.3 DTMF transmission or keypad protocol .................................. 60
8.4 Technical data .................................................................... 60
8.5 Warranty ........................................................................... 60
8.6 Declaration of conformity..................................................... 61