AC International MTA128ST-USB manual S60, S61, S62

Chapter 4 - AT Commands, S-Registers, and Result Codes

scheme to drop a channel due to analog calls.

Note: Using the DBA scheme on the host-side requires that you specify a Data Directory Number or MSN. Refer to your TA Owner’s Manual for information on how to specify a Data Directory Number or MSN.

S-register:	S60
Function:	Bandwidth-on-Demand (BOD) High Threshold
	Sampling Period
Unit:	Seconds
Range:	n=0	(BOD completely disabled)
	n=1	1–255
Default:	10 (10 seconds)

Description:Sets the Bandwidth-on-Demand High Threshold Sampling Period. Refer to

	Bandwidth-on-Demand description and how the High Threshold Sampling
	Period (S60) and High Throughput Threshold (S61) are used to determine
	when a second channel should be added. With Dynamic Bandwidth
	Allocation enabled and BOD enabled, the client TA always has the ability to
	utilize BOD. The host TA, however, only has the ability to utilize BOD if MP+
(S59=1) was negotiated successfully by both the client and the host.
	A short sampling period causes the TA to respond to an increase in
	the throughput sooner than a long sampling period. By default, the average
	throughput is determined over 10 seconds of time.
S-register:	S61
Function:	Bandwidth-on-Demand High Throughput Threshold
Unit:	Kbps
Range:	n=0–64 (Kbps)
Default:	52 (52 Kbps)
Description: Sets the Bandwidth-on-Demand High Throughput Threshold, which
	determines whether a second channel should be added due to high
	throughput. Refer to the Bandwidth-on-Demand description and how High
	Throughput Threshold (S61) and High Threshold Sampling Period (S60)
	determine when a second channel should be added. By default, the average
	throughput during the High Threshold Sampling Period (S60) must exceed
	52 Kbps.
S-register:	S62
Function:	Bandwidth-on-Demand (BOD) Low Threshold
	Sampling Period
Unit:	Seconds
Range:	n=0	Second channel will not disconnect
	n=1–255
Default:	10 (10 seconds)

Description: Sets the BOD Low Threshold Sampling Period. Refer to BOD description and how the Low Threshold Sampling Period (S62) and Low Throughput Threshold (S63) determine when the second channel should be disconnected. Setting S62=0 causes the TA to not disconnect second channel when it is added unless Call Bumping is enabled and an analog call bumps the data call on the second channel. Setting S62 to a value other than 0 causes the TA to take an average of throughput. A short sampling period causes the TA to respond to a decrease in the throughput sooner than a long sampling period. By default, average throughput is determined over 10 seconds of time.

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