Panasonic DBS 576 Manual Técnica

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Section 700 - Operation
Chapter 3. System Features
576-50-700
DBS 576 (USA) issued September 2001
3-51
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.
Inbound calls can be directed to desired normal daytime locations by setting the system into a Day 
mode. By having a second day mode (Day 2) alternative call handling is available during day 
operation. For instance, during lunch, calls can be directed to an alternative position.