GSM/3G User Manual
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Table 2-1 Description of System Status
Number of GSM ports. GSM ports begin with "gsm-", such as gsm-
1.1; 3G ports begin with "umts-", such as umts-2.1.
Display the signal strength of in each channels of GSM.
Display the network carrier of current SIM card.
Indicates the registration status of current GSM module.
Post Dial Delay (PDD) is experienced by the originating customer as
the time from the sending of the final dialed digit to the point at which
they hear ring tone or other in-band information.Where the originating
network is required to play an announcement before completing the
call then this definition of PDD excludes the duration of such
announcements.
The Average Call Duration (ACD) is calculated by taking the sum of
billable seconds (bill sec) of answered calls and dividing it by the
number of these answered calls.
Answer Seizure Ratio is a measure of network quality. Its calculated
by taking the number of successfully answered calls and dividing by
the total number of calls attempted. Since busy signals and other
rejections by the called number count as call failures, the ASR value
can vary depending on user behavior. GSM Status Show the status
of port, include blank space and “READY”. Black space means it is
unavailable here and “Ready” means the port is available
This value is multiplied by to step length is a rest call time.
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