1.1 General FeaturesFeatures Guide 157Least Cost Routing (LCR)DescriptionLeast Cost Routing (LCR) is a system programmable feature that automatically selects theleast expensive route available at the time a long distance call is made. Previous programmingeliminates the necessity for the user to dial the access code of the least expensive carrier. Theappropriate CO port is selected and an appropriate access code is added before the number isoutpulsed.General DescriptionThe dialling plan for long distance call is as follows:01NX-NXX-XXXX01NXX-NXXXXX(N=2-9; X=0-9)The charged fee is decided by three digits (NXX) following "0" of the area codes and time zoneper carrier. For example, if charged fee by a carrier is as follows, program the carrier's fee intime zones. The system compares each carrier's charged fee and selects the least expensivecarrier for the call.London 01710181Birmingham 0121Edinburgh 0131Glasgow 0141Liverpool 0151Manchester 0161Tyneside 0191Wearside 0191Other Areas 01NXXExample of Charged Fee for CarrierArea Area 1 Area 2 ••• Area 8Area Code 021,0333,04440555, 0666031,0344,04550566,0677••• 061,091,03550577, 0588Peak Rate(9 a.m.–1 p.m., Mon.–Fri.)1.00 2.00 ••• 5.00