Panasonic KX-TD816JT Features Manual page 203

Your telephone
APT / DPT
SLT
In addition to the methods above, the system can use the TIE line for sending outside
line access number "0" through other PBX.
When you dial the outside line access number and the outside line is busy, the system
automatically sends outside line access number "0" to a TIE line so that you can access
the outside line through other PBX. <[990] System Additional Information, Area 06-Bit
8>
Features Guide
Extension no.
CO button + (PBX code) + Extension no.
TIE line access number + (PBX code) + Extension no.
CO button + PBX code (+ TIE user code) + Phone no.
TIE line access number + PBX code (+ TIE user code) +
Phone no.
Select outside line group + (PBX code) + Extension no.
Select outside line group + PBX code (+ TIE user code) +
Phone no.
Extension no.
TIE line access number + (PBX code) + Extension no.
TIE line access number + PBX code (+ TIE user code) +
Phone no.
Select outside line group + (PBX code) + Extension no.
Select outside line group + PBX code (+ TIE user code) +
Phone no.
Dialling Method
3.1 System Expansion
dial Modification
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