Panasonic KX-TD1232E Installation Manual page 638

Features
6
2. TIE Line and CO Line Connection
To connect the TIE line with a CO line, the following patterns are
available.
2.1 CO-to-TIE Transfer
The system transfers incoming outside calls to the other PBX
through the TIE line.
Call Forwarding / Call Transfer to the TIE line
<Example>
CO Line
CO
phone no.
Outside party
Explanation
The outside caller dials the phone number, and the call is
forwarded or transferred to extension 1011 of the other PBX which
has PBX code "952".
Note: Setting the destination of Call Forwarding to the TIE line is
the same as Call Forwarding to a CO Line.
Transferring a call to the TIE line is the same as a Call
Transfer to a CO Line.
KX-TD816/1232
TIE Line
E&M
Forwarded / Transferred
PBX Code 951
to 952-1011
Ext. 1011
TIE Line Network
Other PBX
E&M
PBX Code 952
Ext. 1011