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digital cellular telecommunications system (phase 2+); in-band control of remote transcoders and rate adaptors for half rate traffic channels (gsm 08.61 version 6.0.1 release 1997) (v6.0.1e uitgave)
digital cellular telecommunications system (phase 2+); in-band control of remote transcoders and rate adaptors for half rate traffic channels (gsm 08.61 version 6.0.1 release 1997) (v6.0.1e édition)