DIN ETS 300516:2001 Digital cellular telecommunications system (Phase 2) - Call Waiting (CW) and Call Holding (HOLD) supplementary services - Stage 1 (Endorsement of the English version ETS 300516:1996-05 as German standard)
The document describes Call Waiting (CW) and Call Holding (HOLD) supplementary services, stage 1, at the digital cellular telecommunications system (phase 2).
DIN ETS 300516:2001 history
2001DIN ETS 300516:2001-04 Digital cellular telecommunications system (Phase 2) - Call Waiting (CW) and Call Holding (HOLD) supplementary services - Stage 1 (Endorsement of the English version ETS 300516:1996-05 as German standard) / Note: Endorsement notice
2001DIN ETS 300516:2001 Digital cellular telecommunications system (Phase 2) - Call Waiting (CW) and Call Holding (HOLD) supplementary services - Stage 1 (Endorsement of the English version ETS 300516:1996-05 as German standard)