| ProCall Enterprise |
estos GmbH |
| ECOTEL ISDN2-1 |
|
| MARATHON EVOLUTION |
ASC Technologies AG |
| MARATHON EVOLUTION |
ASC Technologies AG |
| ECOTEL ISDN2-1 |
|
| MARATHON EVOLUTION |
ASC Technologies AG |
| SymPhone™ Enterprise VoIP System |
TeleSym, Inc. |
| Telident SiteAlert ALI Manager |
Teltronics, Inc. |
| Telident SiteAlert Digital Monitor |
Teltronics, Inc. |
| TABS.IT PHONE |
TCC GmbH |
