Panasonic DBS 576 Technical Manual

							Section 700 - Operation Chapter 3. System Features
576-50-700 DBS 576 (USA) issued September 2001 3-13
Table 3-1.   Trunk COS
Hardware Requirements
•N/A
Related Programming
•N/A
Considerations
•N/A
Class of Service - Ext/Ext Restriction
Ext/Ext Restriction COS allows or restricts calls placed to other extensions based upon the Extension 
COS. Each Extension COS is programmed to either originate or not originate calls to another 
Extension COS.
Hardware Requirements
•N/A
Related Programming
• FF1-0-03: Class of Service - Extension
• FF1-0-10: Ext - Ext Restriction
• FF2: Extension COS Assignment
Considerations
•N/A
Class of Service - Extension Feature
Extension COS allows or restricts access to certain extension features. (The extension features are 
described later in this manual.) Each extension is assigned to one of 16 classes of service (00-15).  Number Feature
1 Intercom Ringing Tone (CO or intercom ring tone)
2 Dial Tone to Tie Lines (Enable/Disable)
3 Forced Recover on Fast-Busy Tone (Send fast busy or disconnect line)
4 DID/DDI Dialed Number Conversion Table (DID/DNIS Table A or B)
5 Paging on DISA/Tie-Line Call (Allow/Restrict)
6 DISA Security Code Verification
7 Network Flash Forwarding (Version 2.0 or higher)
8 Network Flash Receive (Version 2.0 or higher)
9 Brokers Hold for Network Calls (Version 2.0 or higher)
10 Priority Message-Waiting Set/Cancel (Version 2.0 or higher)
11 Network-to-Network Transfer (Version 2.0 or higher)
12 Camp-On for Tie-Lines (Version 2.0 or higher)
13 T1 Trunk Ring Back Service Tone (Version 3.5 or higher) 
						

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Chapter 3. System Features Section 700 - Operation
The following table shows the features that can be enabled/disabled for each Extension COS.
Table 3-2.   Extension COS
Class of Service Features
Number Feature
1Intercom Call Type (Tone/Voice)
2Onhook Transfer at Ringback (Allow/Restrict)
3Onhook Transfer at Talk (Allow/Restrict)
4On-Hook Transfer at Camp-On (Allow/Restrict)
5Exclusive Hold for Non-Appearing CO (System/Exclusive)
6Exclusive Hold on SLTs (System/Exclusive)
7Brokers Hold on SLTs (3-Party Conference/Brokers)
8Hookflash During Talk on SLTs (Allow/Restrict)
9SSD Assignment (Allow/Restrict)
10SSD Assignment to MCO Tenant Groups (Allow/Restrict)
11SSD Dialing (Allow/Restrict)
12Intercom Redialing (Allow/Restrict)
13Direct Trunk Access (Allow/Restrict)
14MCO Incoming Call Answer (Allow/Restrict)
15Paging (Allow/Restrict)
16Auto Repeat Dial (Allow/Restrict)
17DND Set/Clear (Allow/Restrict)
18DND Set/Clear (Other) (Allow/Restrict)
19Call Forward/All Calls (Allow/Restrict)
20Call Forward/No Answer (Allow/Restrict)
21Call Forward-Busy (Allow/Restrict)
22Call Forward (Other) (Allow/Restrict)
23User Maintenance Log-in (Allow/Restrict)
24Priority Message Waiting Send (VM) (Allow/Restrict)
25Message Waiting Send (Allow/Restrict)
26System Mode Switch (Allow/Restrict)
27Busy Override Send (Allow/Restrict)
28Manual Camp-On Send (Allow/Restrict)
29Manual Camp-On Receive (Allow/Restrict)
30Callback Request Send (Allow/Restrict)
31Callback Request Receive (Allow/Restrict) 
						

							Section 700 - Operation Chapter 3. System Features
576-50-700 DBS 576 (USA) issued September 2001 3-15
Hardware Requirements
•N/A
32Trunk Queuing (Allow/Restrict)
33Manual DND Override Send (Allow/Restrict)
34Forced DND Override (Allow/Restrict)
358-Party Conference (Allow/Restrict)
36Voice Call Send (Allow/Restrict)
37Voice Call Receive (Allow/Restrict)
38 Dial Tone Stop (Allow/Restrict)
39Dial Tone Pre-Pause Check (Check/No check)
40Long Talk Alarm for Outgoing CO Calls (Enable/Disable)
41Recall Timer Apply (Recall to Extension/Recall to Attendant)
42Forced ARS (Not Forced/Forced)
43API Event Reporting (No/Yes)
44Call Forward/Outside (Allow/Deny)
45Onhook Trunk-to-Trunk Transfer (Allow/Deny)
46Station Call Park Answer (Allow/Deny)
47Station Call Park Transfer (Allow/Deny)
48OHVA (Allow/Deny)
49OHVA Answer (Allow/Deny)
50Call-Waiting Answer at HOLD
51On-Hook Park
52-54Not Used
55Station Lockout (Own)
56Station Lockout (Other)
57Absence Message Set
58UNA Pickup
59Intercom Ring Tone at CO (Version 2.0 or higher)
60BGM Access
61CFD Setting For a PDN By Pressing the NPDN
62Busy Override
63Silent Monitor Initiate
64Silent Monitor Receive
65Transfer RecallClass of Service Features 
						

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Chapter 3. System Features Section 700 - Operation
Related Programming
• FF2: Trunk COS 
• FF3: Extension COS Assignments
Considerations
•N/A
Class of Service - T1 Trunk Ring Back Service Tone
With Version 3.5 and higher, the system can be programmed to send a simulated ring back tone to T1 
trunks when the CO does not provide a ring back tone. 
Hardware Requirements
•N/A
Related Programming
• FF1-0-04: Trunk COS
Considerations
• Supports Ground Start/Loop Start Trunks
Class of Service - Trunk to Trunk Restriction
Trunk to Trunk COS allows or restricts call transfers from one trunk to another trunk based on the 
originating and receiving trunk COS.
Hardware Requirements
•N/A
Related Programming
• FF1-0-04: Class of Service Trunk/Tie
• FF1-0-11: Trunk-Trunk Restriction
Considerations
•N/A
Class of Service - Extension (Station) Timers
Prior to CPC Version 2.0, timers related to certain extension functions such as the Hold Recall Timer 
were only available on a system-wide basis. Beginning with CPC Version 2.0 these extension 
functions may continue to use the same system-wide timers or a newly added Station Timer Class 
settings. Up to eight Station Timer Classes may be specified. Then an extension may be assigned a 
Station Timer Class.
The following table shows the extension timers that may be assigned on a class basis. 
						

							Section 700 - Operation Chapter 3. System Features
576-50-700 DBS 576 (USA) issued September 2001 3-17
Table 3-3.   Station Timer Class
Hardware Requirements
•N/A
Related Programming
• FF1-1-05: Station Timer Class Definitions
• FF3-0 (Extensions): Station Timer Class Assignments
Considerations
•N/A
CO Ringing Types
Description
Several types of CO ringing are available for the System including the following:
• Direct Inward Dialing (DID) Ringing
• Direct In Line (DIL) Ringing
• Direct Inward System Access (DISA) Ringing
• Multiple Ringing
These ringing types may be used in any combination in the System.
DID Ringing
DID Ringing allows calls on a common CO to be directed to ring to a specific extension or group of 
extensions, etc. based upon the final digits dialed. These final digits are received from the DID trunk 
and compared to a DID Table that determines where the calls should ring. Depending on the 
assignments in the DID Table, names or trunk numbers are displayed. (Names can be up to 10 digits 
long.)
DID Ringing can be very useful by sending calls directly to a specific extension, hunt group, etc. 
based upon the number dialed. Since a relatively small number of trunks handle the DID calls, this 
can be more cost efficient than DIL trunks or attendant group answering and transfer. (DID may send Number Station Timer
1 Hold Recall Timer (KTEL)
2 Hold Recall Timer (SLT)
3 Transfer Recall Timer (KTEL and SLT)
4 Hold/Transfer Recall Ringing Timer
5 Call Park Recall Timer
6 Call Forward No Answer Timer (Day 1)
7 Call Forward No Answer Timer (Day 2)
8 Call Forward No Answer Timer (Night)
9 Floating Hold Recall Timer 
						

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Chapter 3. System Features Section 700 - Operation
a call to a group using the Virtual Extension feature.) DID Busy/Delayed Ringing is also available 
with DID Ringing. (See “DID Day/Night Busy/Delayed Ringing” on page 3-52.)
For more information on DID CO Trunk Interface, see “CO Trunk Interface - DID” on page 3-21.
Hardware Requirements
•N/A
Related Programming
•N/A
Considerations
• Caller ID takes priority over the DID name assignment.
• Only one of the two DID tables may have name assignments.
• If the DID/DIL destination is a Directory Number (DN), the call goes to an extension that has a 
destination key even if the Primary Directory Number extension is busy or does not answer.
• If the DID/DIL destination is an UNA extension, the UNA will ring depending on DID number 
tenant group/ DIL incoming CO tenant group.
DIL Ringing
DIL Ringing allows calls on a specific CO line to be directed to ring a specific extension, System 
Speed Dial (SSD) number (for redirecting calls out), and hunting group.
This can be very useful when a trunk is dedicated to a specific person or purpose. However, this can 
be a more expensive use of the line since it has a more limited use.
Prior to Version 3.0, it was impossible to distinguish between Private Line incoming calls and 
Directory Number incoming calls. Version 3.0 and higher allows the person receiving the call to 
easily distinguish between these types of incoming calls. 
Hardware Requirements
•N/A
Related Programming
•N/A
Considerations
• If the DID/DIL destination is a Directory Number (DN), the call goes to an extension that has a 
destination key even if the Primary Directory Number extension is busy or does not answer.
• If the DID/DIL destination is an UNA extension, the UNA will ring depending on DID number 
tenant group/ DIL incoming CO tenant group. 
						

							Section 700 - Operation Chapter 3. System Features
576-50-700 DBS 576 (USA) issued September 2001 3-19
DIL Delayed Incoming Ring Enhancement
Prior to Version 3.0, a DIL call that was not answered by the Immediate Ringing extension was 
simultaneously passed to all other extensions in the MCO if Delayed Ringing was set. Beginning with 
Version 3.0, an incoming DIL call that is not answered can be passed to a single Delayed Ring 
destination or to all extensions with an MCO key that includes the incoming trunk. If the Delayed 
Ringing extension is not answered, the call is forwarded the extension’s preprogrammed location 
(e.g., Voice Mail, Call Forwarding, etc.) For example:
Note:The program settings in the previous figure can also be used for the following Delayed 
Ringing extension destinations:
- Speed Dial
- Hunt Group Number
- Attendant Group Number
- ERA Number
Hardware Requirements
•N/A
Related Programming
• FF2-0-BSSC-03 (Ring Assignment)
• FF2-0-BSSC-04 (Delayed Ring Assignment)
• FF1-0-02-0027 (DIL Delayed Ringing Pattern)
Considerations
•N/ADIL Immediate
(DIL Destination = 300)DIL Delayed
(DIL Delayed Destination = 301)
Both Versions Version 2.6 Version 3.0
FF2-0-BSSC-031 (DIL Dest. = 300)
1. Call rings on Ext. 300 onlyFF2-0-BSSC-0441 (DIL Dest. = 300)
1. Call rings on Ext. 300
2. Call rolls over to Ext. 301, 302 and 
303 simultaneously because they have 
an MCO key that includes the trunk.FF2-0-BSSC-041 (DIL Dest. = 300)
1. Call rings on Ext. 300
2. System can be programmed to ring 
Ext. 301 only, or to ring all three
extensions. 
						

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Chapter 3. System Features Section 700 - Operation
DISA Ringing
DISA Ringing (which is related to the DISA feature) allows a CO trunk specified as a DISA CO trunk 
to ring and give off-site users dial-in access to the System. Once the DISA trunk is accessed, the user 
receives dial tone and may dial an extension. 
For more information on DISA, see “Direct Inward System Access” on page 3-28.
Hardware Requirements
•N/A
Related Programming
•N/A
Considerations
•N/A
Multiple Ringing
Description
Multiple Ringing allows CO calls into the System to be directed to ring multiple extensions in the 
System. This can be very useful when anyone in a group may answer a call. This can also be very 
useful at night when only a selected number of people are available to handle calls.
Hardware Requirements
•N/A
Related Programming
•N/A
Considerations
•N/A
CO Trunk Interface
Description
The System supports several types of CO Trunk Interfaces including the following:
• Direct Inward Dialing (DID)
• Integrated Services Digital Network (ISDN) - Basic Rate Interface (BRI)
• ISDN - Primary Rate Interface (PRI)
• Loop Start and Ground Start
Each trunk type supports various features such as Delayed Ringing, Night Ringing, etc. 
						

							Section 700 - Operation Chapter 3. System Features
576-50-700 DBS 576 (USA) issued September 2001 3-21
CO Trunk Interface - DID
The DID feature allows an extension to have a dedicated direct number. The dedicated number allows 
calls to be made directly to the extension, without the caller going through the attendant.
The DID number may have from 1 to 4 digits (typically 4).
Each DID Trunk Interface card (VB-44520) supports up to 8 DID trunks.
Hardware Requirements
• The -48V power supply is required.
Related Programming
•N/A
Considerations
• The DID Trunk card supports 1 to 4-digit dial-pulse (10 pps) or Dual Tone Multifrequency 
(DTMF) signaling. 
• DID numbers must be between 0 and 9999.
CO Trunk Interface - Ground Start
Ground start trunks are supported in the System with the VB-44511 Loop Start/Ground Start trunk 
interface. Each card supplies 8 circuits that can be individually configured for either loop start or 
ground start operation.
Ground start trunks are useful in preventing call collision.
Hardware Requirements
• When ground start trunks are used, the -48V power supply is required.
Related Programming
•N/A
Considerations
•N/A
CO Trunk Interface - ISDN BRI
The System supports ISDN BRI with the VB-44530 ISDN BRI interface unit. The VB-44530 is a T-
Point ISDN-BRI that supports 2 B (bearer) channels and 1 D (data) channel (2B + D; 192kbps). This 
unit connects to an ISDN Data Service Unit (DSU). Point-to-point and point-to-multi operations are 
selectable.
The ISDN-BRI supports enblock setting and enblock setting at the sub-address.
Hardware Requirements
•N/A
Related Programming
•N/A 
						

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Chapter 3. System Features Section 700 - Operation
Considerations
• A DSU is required (not available from Panasonic).
CO Trunk Interface - ISDN-PRI
The System supports ISDN-PRI with the VB-44540 ISDN PRI Interface unit. The VB-44540 is a T/S-
Point ISDN-PRI that supports 23 B (bearer) channels and 1 D (data) channel (23B + D; 1544kbps). 
This unit connects to an ISDN DSU.
Up to 3 units may be installed in a cabinet if you use full channel (23B + D or 24 B). A maximum of 
18 units may be utilized in a fully equipped system. When all 24 channels on a unit are utilized, 3 slot 
positions are required. 
Hardware Requirements
•N/A
Related Programming
•N/A
Considerations
•N/A
CO Trunk Interface - Loop Start
The VB-44510 Loop Start interface unit supplies 8 loop start analog trunks circuits. In addition, the 
VB-44511 Loop Start/Ground Start interface unit may alternatively be used to connect to loop start 
trunks.
Hardware Requirements
• VB-44510 Loop Start Card
Related Programming
•N/A
Considerations
•N/A
Computer Telephony Integration Capability
Description
Computer Telephony Integration (CTI) coordinates communications between computers and the 
telephone system. This is accomplished by using a Telephony Application Programming Interface 
(TAPI) server to connect the DBS 576 with a Local Area Network. 
LAN TAPI is designed to enhance the DBS 576’s performance by supporting both standard and 
custom computer telephony applications. A TAPI Service Provider (TSP) resides on a host computer 
running Windows NT Server/Version 4.0 or greater. Beginning with Version 3.0 and higher, CTAPI 
has been added to support LAN TAPI. (See LAN TAPI on p. 3-36 for additional information.)