Agilent Technologies 8960 10 Series Reference Manual page 523

Configuring the Traffic Channel (TCH)
Traffic channel loopback type cannot be set to type C if the traffic channel band is PGSM.
The Max Frames Allowed for Assignment parameter, is used to specify the maximum number of TDMA frames
the mobile station is allowed to take for a channel assignment. This is only applicable to changes in TCH band,
traffic channel, or TCH timeslot. Changes to any other TCH parameter will not cause an error to be generated
if, the number of frames taken to perform the change exceeds the setting of the maximum frames allowed for
assignment. If the mobile station does not complete the channel assignment within the specified number of
frames, the test set will generate an error message, but this will not cause a call to drop. If the mobile DTX
state (discontinuous transmission) parameter is on (see "CALL:MS:DTX[:STATe]" on page 256), the error is
not generated, because when a mobile station is in discontinuous transmission mode, it is not required to
transmit on the new channel, at least not until a SACCH, FACCH, or SID frame is ready. In this case, the
mobile station may actually have changed channels in the correct time, but had nothing to transmit.
Related Topics
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"Configuring the Broadcast Channel (BCH)" on page 511
"Configuring Mobile Station Operating Parameters" on page 517
"Receiver Control" on page 518
"Traffic Band Parameter" on page 502
"CALL:TCHannel" on page 286
"Fast Bit Error Measurement Description" on page 69
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