NEC NDA-30115-001 - page 49

NDA-30115 Revision 1.0 Page 39
Property Management System - Communication Interface Message Formats
MWL Status
Figure 4-8 MWL Status
Message fields are:
•Extension -- Extension number. If the e xtension n umber is le ss than si x digits ,
left justify the number and fill the remaining b ytes with s pace (20H) ch aracter s.
•Status -- Message Waiting Lamp status. The status values are:
•0 -- No messages waiting.
•1 -- Message waiting set by the NEAX.
•4 -- Message waiting set by the PMS.
•5 -- Message waiting set by both the PMS and NEAX.
•Option -- Message Waiting Lamp status o pti on. Thi s f ie ld must alw ays c ontai n
zero (‘0’).
•VMC -- This is reserved for future use. Should be filled with two space (20H)
characters.
‘5’‘3’‘1’‘5’‘1’Extension Status
Option VMC
01234 6 89 15
STX SA UA EI FTC MSC FC 6 1
02H ‘1’‘!’‘L’
ETX BCC
12
16 17 19 20
03H xx