Support of the main PBX on the market
| PBX | Protocol |
|---|---|
| Aastra/Ericsson MX-ONE/MD-Evolution | CSTA phase I |
| Aastra Nexspan/5000 | CSTA phase II |
| Aastra OpenCom | CSTA phase III |
| Alcatel-Lucent Omni PCX Entreprise | CSTA phase II / SIP TelServer v2.6 is AAPP certified from OXE R11 |
| Alcatel-Lucent Omni PCX Office | CSTA phase I TelServer v2.6 is AAPP certified from OXO R10 |
| Asterisk | Asterisk Manager API Enhanced support for Aastra, Snom SIP phones... |
| Avaya AES | JTAPI |
| Cisco Call Manager | JTAPI |
| Cisco Communications Manager Express | SIP/CSTA ECMA TR/87 |
| Siemens Hipath | CSTA phase II or III |
| Tadiran Coral | CSTA phase I |
| Unify Openscape Office | CSTA phase III |
| Unify Openscape Business | CSTA phase III |