Operation and Maintenance
225
Mitel SMB Controller
syd-0657/2.0 – R6.0 – 09.2018
If the system issues an event message, the event message opens a PPP communica-
tion channel from the public network of the communication server to a terminal adapter
or modem. Once the event message has been confirmed, the system clears down the
PPP connection.
Signalling an event message to an external signal destination
Fig. 77
Flowchart of the signalling of an event message to an external signal destination
J
J
J
N
N
N
Output event
message
External event
message destina-
tion not available
Dialling
attempts
< 2
Cannot be
reached / blocked
Dialling
attempts
< 5 / 2
Busy
Wait for 30 s
Delay 40 sec.
Dialling
attempts
< 5 / 2
Connection established
Cannot be reached / blocked
State
external event
message
destination
?
Busy
Connection established
Wait for 30 s
Call external
event message
destination
Signalling delayed
up to 5/240 min.
Event message
Alternative
external
event message
destination?
State
external event
message
destination
?