A03622: CELL_SPT_GSM450_MS_NUM
This measurement provides the number of calls originated or terminated by MSs that process services in this cell and support the GSM450 band.
Integer number or integer.
When the "GSM 400 Bands Supported" field in classmark 3 is set to "0x02" or "0x03", this measurement is triggered if any of the following situations occurs: the MS sends the classmark change message; the MSC sends the classmark update message; the incoming BSC handover is complete.
This is an original counter without involving any formula.