Panasonic KX-T336 System Reference Manual page 383

Operation Making a TIE call
(A) By dialing an extension number
1.Lift the handset or press the SP-PHONE button.
• You hear dial tone 1 or 3 or 4,
2.Dial the other PBX's extension number.
• You hear ringback tone.
(B) By dialing a PBX code and an extension number
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 of the destination PBX and then the
extension number of your destination party.
• You hear ringback tone.
3-F-75
(70695)