# | Class | status | |
---|---|---|---|
1 |
S:75217724
M:SMS/800 O:AMERITECH CORPORATION, AMERITECH SERVICES, INC., Bell Communications Research, Inc., SBC KNOWLEDGE VENTURES, L.P. |
9 | Dead |
2 |
S:73535698
M:CENTREX ![]() O:AMERITECH SERVICES, INC. |
38 | Dead |
3 |
S:73477672
M:ACCESS LINE O:AMERITECH SERVICES, INC. |
16 | Dead |