Message Waiting And Call Status Indicator (Mwi) - Nortel Meridian SL-100 Reference Manual

Table 6-1 shows the key numbers and locations for the M3903 set illustrated
in figure 6-1.
Table 6-1 Key numbers
Key number
key 1
key 2
key 3
key 4
keys 5-16
key 17
key 18
key 19
key 20
key 21
key 22
key 23
key 24
key 25
key 26-27
key 28
key 29
key 30-32
Note: Keys 18-25 are the keys labeled as the four context-sensitive soft
keys.

Message Waiting and Call Status Indicator (MWI)

The MWI LED lights to show a message is waiting. This indicator visually
alerts that a call is holding. The LED flashes to indicate an incoming call. It
winks when a call is holding.
Location
labeled as Prime DN (shown as 5000)
labeled as second Line/Feature (shown as 5001)
labeled as Prime DN, accessed by using the Shift key
(shown as 5000)
labeled as second Line/Feature, accessed by using the Shift
key (shown as 5001)
blocked
key labeled as Message
Transfer (CXR)
6-party Conference (CNFC06)
Call Forward (CFU)
Ring Again (RAG)
Call Park (CPK)
Call Pick-up (CPU)
configure as: speed call short (SCS), long (SCL), or user
(SCU)
Privacy release (PRL)
null
Callers List
Redial List
null
MSL-100 M3900 Meridian Digital Telephones Reference Guide MSL15
M3903 enhanced telephone 6-3