Voice API Programming Guide — June 2005 181
R2/MF Signaling
Table25. Meanings for R2/MF Group II Forward SignalsTone
Number Intel Define Meaning
1 SIGII_1 National: Subscriber without priority
2 SIGII_2 National: Subscriber with priority
3 SIGII_3 National: Maintenance equipment
4 SIGII_4 National: Spare
5 SIGII_5 National: Operator
6 SIGII_6 National: Data transmission
7 SIGII_7 International: Subscriber, operator, or maintenance equipment (without
forward transfer)
8 SIGII_8 International: Data transmission
9 SIGII_9 International: Subscriber with priority
10 SIGII_0 International: Operator with forward transfer facility
11 SIGII_11 Spare for national use
12 SIGII_12 Spare for national use
13 SIGII_13 Spare for national use
14 SIGII_14 Spare for national use
15 SIGII_15 Spare for national use