Aastra 470 - Page 262

Operation and Maintenance
262
Aastra 470 ab R3.0
syd-0337/1.5 – R3.0 – 05.2013
Signalling an event message to an external signal destination
Fig. 89 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
?