Nortel Networks 1000 - Manual (Page 458)

458 NT8D09 Analog Message Waiting Line card
Figure 120
Analog message waiting line card - block diagram
• transmission and reception of scan and signaling device (SSD)
signaling messages over a DS30X signaling channel in A10 format
• on-hook/off-hook status and switchhook flash detection
Nortel Communication Server 1000
Circuit Card Reference
NN43001-311 02.06 Standard
27 August 2008
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