AMT/PTD/PBX/0058/4/6/EN Installation and Maintenance Manual - Aastra 5000
Page 290 01/2011 Description des sous-ensembles
• Voice transmission and conversion:
- in digital form, from the UCV card to the analogue sets.
The PCM TSs exchanged with the UCV card are the medium for voice carried over
a tie line.
• in analogue form, from the analogue sets to the UCV card.
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