Nortel DMS-100 Series General Description Manual page 36

1-20 DMS-100 ringing overview
Figure 1-17 LME/LCE coded ringing patterns with immediate ring enabled
Distinctive ringing
Distinctive ringing is used by Meridian Digital Centrex (MDC) subscribers to
distinguish different types of incoming calls. It is also used for message
waiting (MWT) and custom local area signaling services (CLASS) message
waiting indicator (CMWI) features. Ringing codes are used to distinguish:
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•
•
•
297-1001-131 Standard 06.01 October 2000
Ring party, 1R, 2FR
Tip party, 2FR
Multiparty, code 1
Multiparty, code 2
Multiparty, code 3
Distinctive ringing
Multiparty, code 4
Multiparty, code 5
Rev splash ring party
Rev splash tip party
ANI/coin
Teen ringing, code 1
Teen ringing, code 2
Teen ringing, code 3
station calling
ring again and call back queuing
Scopedial precedence ringing
ring splash for call forwarding
6 s
2 s
0 1 2 3 4 5
0 1 2 3 4 5
6 7 8 9 10 11
6 7 8 9 10 11