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CMU-K20/K21/K22/K23/K24
GPRS Signalling and EGPRS
1115.6088.12 4.189
E-12
MS under test attempts a GPRS attach. The
Connection
tab contains an
additional softkey labeled
Service Selection
.
4. Press
Service Selection
and select the GPRS test mode appropriate for your
test case.
5. To establish a TBF connection proceed as outlined in Fig. 4-83 below and in
the following sections.
Signal Off
Signal
On
Signal On
Synchronized
Signal Off
Attached
TBF Established
Attach
in Progress
Connecting
TBF
Signal
Off
Disconnect
Mobile
Signal Off
Signal Off
Connect Mobile
Connect
Mobile
GSM State
(Circuit Switched)
GPRS State
(Packet Data)
Idle
Service
Selection
Alerting
Call Established
MS Attach
MS Attach
MS Detach
MS Detach
Detach
in Progress
⇔
⇔
⇔
⇔
⇔
Connect Mobile
Fig. 4-83
GPRS signalling states
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Summary of Contents for CMU-K20
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