Qsig Isdn Lines; Ringing Modes; Day 1/ Day 2/Night Ringing - Panasonic DBS 576 Technical Manual

Chapter 3. System Features

QSIG ISDN Lines

Description
QSIG is a digital signaling protocol for private-network phone systems comprised of ISDN lines.
Internationally, it is also called Private Signaling System No. 1 (PSS1).
QSIG, developed in the late 1980's and still in the process of global standardization, provides the
ability to efficiently interconnect the remote ISDN PBX sites of large organization. Panasonic
DBS 576 and DBS 576HD systems can be connected over ISDN QSIG lines to create a networked
system.
For more information on QSIG, see Section 570: QSIG Reference.
Hardware Requirements
• QSIG (PRI/23) card
Related Programming
• FF2-1: QSIG ISDN Lines
Considerations
• See Section 570: QSIG Reference

Ringing Modes

Description
The System supports multiple types of CO ringing including the following:
• Day 1/Day 2/Night Ringing
• Day 1/Day 2/Night Delayed Ringing
• Direct Inward Dial (DID) Day/Night Ringing
• DID Day/Night Busy/Delayed Ringing
• Busy Lamp Field (BLF) Ringing
• BLF Delayed Ringing
• Slide Ringing
• Alarm Ringing

Day 1/ Day 2/Night Ringing

When the System is in Day 1 mode, calls can be directed to ring at one or more extensions or at a hunt
group per the Day 1 ringing assignments.
When the System is in Day 2 mode, calls can be directed to ring at one or more extensions or at a hunt
group per the Day 2 ringing assignments.
When the system is in Night mode, call can be directed to ring at one or more extensions or at a hunt
group per the Night ringing assignments.
3-50 DBS 576 (USA) issued April 2002
Section 700 - Operation
576-51-700