The following is an abbreviated list of the features supported in the PX3230S H.323 stack.
For a comprehensive list, please contact Agora Labs directly.
| Stack Features | |
| H.225 Call Signaling | H.225 Version 2 February 1998 |
| H.225 Annex G (Administrative Domains) | Yes |
| H.235 | H.235 Version 1 January 1998 |
| H.245 Control Signaling | H.245 Version 10 May 2003 |
| H.323 | H.323 Version 3 September 1999 |
| H.323 Annex D (Real-time FAX) | Yes |
| H.323 Annex E (Multiplexed call signaling over UDP) | Yes |
| H.450.1 - H.450.10 (Supplementary Services) | Yes |
| IPv4 | Yes |
| Windows 2000, XP, Vista | Yes |
| Desktop/Embedded Linux | Yes |
| Sun Solaris | Yes |