Panasonic KX-TD1232E Installation Manual page 639

Features
2.2 TIE-to-CO Transfer
The system transfers TIE calls to a CO line of the other PBX
through the TIE line. The following patterns are available.
Outside call through the other PBX
<Example>
KX-TD816/1232
TIE Line
E&M
7-952
PBX Code 951
Ext. 1011
Explanation
Extension 1011 dials as follows:
1. TIE line access code "7", PBX code "952" and CO line access
code "9". A special dial tone is heard.
2. The TIE user code (if required) and desired phone number.
Extension 1011 is connected to the desired outside party through
the other PBX which has PBX code "952".
Note: The TIE user code (assigned in program [811]) is required
when the CO line security mode is selected in program
[455].
Call Forwarding / Call Transfer to CO line
<Example>
KX-TD816/1232
TIE Line
E&M
7-952-1011
PBX Code 951
Ext. 1011
TIE Line Network
Other PBX
E&M
9-(TIE User Code)
PBX Code 952
TIE Line Network
Other PBX
E&M
Forwarded / Transferred
PBX Code 952
Ext. 1011
CO Line
CO
-phone no.
Outside party
CO Line
CO
to CO line
Outside party
7