308 DBS 576 (USA), issued January 1999 576-20-700Chapter 7. SLT Features Section 700 - Operation• FF5-2: MCO Trunk Group (Outbound)• FF7: ARS/TRSConsiderations• The System supports up to 576 outside lines in a six-cabinet configuration. These lines can bedivided into 99 different trunk groups.• Each trunk group can support up to 50 outside lines.• Each MCO Tenant Group can have up to 5 MCO trunk access codes. System defaults for MCOtrunk access codes are displayed in the following table.• MCO1 can have up to 5 trunk groups assigned by the Advanced Trunk Group feature.• MCO1 access code is used for Automatic Route Selection (ARS) access code.Table 24. MCO Trunk Access CodesTrunk QueuingCPC-96, CPC-288, and CPC-576 All VersionsDescriptionWhen you try to originate a call by MCO (enter 9) and all outside lines in a trunk group are busy, theSystem can call you when a line becomes free. Simply pick up the handset and dial the telephonenumber when the Trunk Callback alert tone rings.OperationTo set Trunk Queuing:MCO Group Trunk Access CodeMCO1 9MCO2 81MCO3 82MCO4 83MCO5 84Action Result1. Lift the handset. Intercom dial tone2. Enter a trunk access code. Busy tone3. Enter the Callback Request code (default = 3).4. Replace the handset.5. Wait for the Trunk Callback alert tone.
