| # | Acquired | Date | Type | Status | Price | |
|---|---|---|---|---|---|---|
| 1 |
Callisma
Callisma Inc., a network architecture services company.
|
2004-01-06 | Acquisition | Complete | — | Deal → |
| 2 |
AT&T Teleholdings
AT&T Teleholdings (formerly known as Ameritech Corporation) was a U.S. telecommu…
|
1999-10-08 | Acquisition | Complete | — | Deal → |
| 3 |
Pacific Telesis
Pacific Telesis
|
1997-04-01 | Acquisition | Complete | $16.5M | Deal → |