Ericsson iPECS-100 Feature Description And Operation Manual page 125

iPECS-LIK
Feature Description & Operation Manual
SMDI Protocol
There are three types of SMDI messages. Within each message is an "Action Code", which
defines the function or required action of the AA/VM system. Fields within the messages also
define the called/calling station and station status. The various message types and definition of
the fields are shown in the chart below.
Type I message
cr lf MD ggg mmmm a xxxxxxxxx sp yyyyyyyyy sp cr lf^Y
Type II message
cr lf MD ggg mmmm a xxxxxxxxx sp sp cr lf^Y
Type III message
cr lf MD ggg mmmm a sp yyyyyyyyy sp cr lf^Y
Field
cr
lf
MD
ggg
mmmm
a
xxx...x
yy...y
sp
^Y
The following table provides detailed information on the meaning and function of the various
SMDI messages used.
Action
Code
A Unconditional forward to VM
B Called Station busy
C Disconnect, connected party
D Direct Fwd to VM group
E Error, invalid number
H Two-way Record
I DND
N No Answer
R Direct CO/IP ring to VM group
Description
carriage return
line feed
Message Desk
Message desk number, AA/VM system, default
001
Message Desk terminal, 0001-9999, VM port
action code
called station number or station calling the VM
group
calling station number
ASCII space character
end of SMDI message, control + Y (0x19)
Table 2.38.3-1 SMDI Messages
Reason Purpose In-band code
Put Mail P#
Busy Mail P#3P
disconnect *****
Get Mail P##
Error P#*5P
record None
DND P#*6P
No Answer P#*4P
AA None
105
Issue 6.1
Message SMDI
Type Message MD
001 0001-
II A xxxxx yyyyy
II B xxxxx yyyyy
II C xxxxx yyyyy
II D xxxxx yyyyy
II E xxxxx yyyyy
II H xxxxx yyyyy
II I xxxxx yyyyy
II N xxxxx yyyyy
III R xxxxx yyyyy