•Serial packet. The PBX may send a serial packet that signifies a disconnect event.
Included in this serial packet would be the port or channel number corresponding to
the disconnect event. Unity’s serial integration parsing configuration would contain a
packet definition to match the serial disconnect packet.
•DTMF packet. A digit sequence representing a disconnect event may be sent from
the PBX to Unity. Unity’s analog integration parsing configuration would contain a
packet definition to match the DTMF disconnect packet.
•DTMF tone (4
th
column). The PBX may send a single DTMF 4
th
column tone (A,
B, C, ...
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