Class Of Service - T1 Trunk Ring Back Service Tone; Class Of Service - Trunk To Trunk Restriction; Class Of Service - Extension (Station) Timers - Panasonic DBS576 Technical Manual

Chapter 3. System Features
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.
3-16 DBS 576 (USA) issued October 2000
Section 700 - Operation
576-36-700