Common Channel Handler for CCIS 1 per Destination-Site (Max 8 per sys) For External CCH or Drop/Insert CCH 1 AP Time Slot with out Central Billing 1 to 9 APTS dependant on Central Billing Dependant on Position in Network: Center Office,2 APTS per CCH Link Tandem Office, 2 APTS/CCH Link + (# of CCH Links-1) End Office, 1 Link Only, 2 AP Time Slots AP Number 4-15 & 20-31 Lower AP Hwy |