Panasonic KX-T336 System Reference Manual page 314

9.00 Parallel Connection of
Extensions
Description
Any Single Line Telephone can be connected
parallely with a PITS telephone.
When parallel connection is made, an extension
user can make and answer a call by using either of
both telephones.
However, the operation of parallely connected
Single Line Telephone is somewhat restricted as
follows:
Features not available are:
• External Feature Access
• Conference
• Pickup Dialing
• Account Code Entry
Cannot make a call when parallely connected PITS
telephone is:
• In the BGM mode
• Being paged through built-in speaker
• In the PITS programming mode
Will not ring if parallely connected PITS telephone
is:
• In the Intercom Automatic Answer mode
• In the Voice Alerting mode
To make parallel connection effective, assign
"Extension-Station," Parallel Connect to "Yes" at
parallely connected PITS telephone side.
Programming
System Programming
"Extension Station"
Parallel Connect
Conditions
Not only a Single Line Telephone but an
answering machine, a facsimile, or a modem
(personal computer) can be connected parallely
with certain PITS telephones.
The parallel connection of a Single Line
Telephone and a PITS telephone becomes
available under the following conditions.
— Parallely connected PITS telephones are
interfaced with HLC card.
— The number of Single Line Telephones which
can be connected parallely with PITS
telephones must be within 48 lines per shelf.
3-F-12
Reference
VT Dumb
9-G-1.01 10-C-22.00