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TechSpec
Category:
22.001
B.3 General attributes
C.1 Scope
C.2 Network Determined User Busy (NDUB) condition
C.3 User Determined User Busy (UDUB) condition
C.4 Mobile subscriber busy
D.1 Scope
D.2 Mobile Originated Call Set-up
D.3 Mobile Terminated Call Set-up
F.1 General
F.2 Supervisory tones
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