Topcom SOLOGIC B921 User Manual page 297

5.1
OK
OK
OK
OK
OK
OK
OK
OK
5.2
OK
OK
OK
OK
5.3
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1
2 "BASE"
3 "RING TONE"
4
1
2 "BASE"
3 "RING VOLUME"
4
1
2 "BASE"
3 "DIAL MODE"
4 "TONE"
PIN
"PULSE"