7/19/2010 iSip 4.6 release, support IOS 4 background tasking.
6/28/2010 Private push server vmware image avaliable for downloading. Please make sure you set network to bridge mode in order to let your iPhone to conect this server.
6/18/2010 Private push server virtualbox image avaliable for downloading. You can run this push server inside virtualbox on any platform: Windows, Linux or Mac. Please make sure you set network to bridge mode.
iSip 4.5 has made further bug fixes:
(1) Fixed push call crash with VAD disabled
(2) Fixed account with username has '*' character can't register
(3) Allow private push server use self signed ssl certificate
iSip 4.4 has improved the push notification and some other service! Let's enjoy it!
4/10/2010 iSip 4.2 is launched! New designed push service! Now support private push server !! Run push server inside your network, you keep your accounts! No need to open firewall ports!