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02.53
A001
-
F
R1998
to GSM 02.53 Modifications to Annex A (informative): Limitations of initial in-band TFO implementations
273/97
agreed
97-950
approved
SMG11
TFO
02.53
0002
-
C
Rel-4
Extension of TFO to AMR
S4-010256
agreed
SA4-#16
SP-010098
approved
SA-#11
S4
TFO
02.53
0000
-
F
R1998
Tandem Free Operation Stage 1
172/97
agreed
97-739
approved
SMG11