Panasonic KX-T336 System Reference Manual page 386

Operation 1.Lift the handset or press the SP-PHONE button.
• You hear dial tone 1 or 3 or 4.
2.Dial the feature number for TIE Trunk Access "84" (default).
• You hear dial tone 1,
3.Dial the PBX code and a CO access code of the destination PBX.
4.Dial a TIE Account Code (if required).
5.Dial the telephone number of the outside party.
3-F-78
(70695)