The documents about iphone OS 4, mentioned about voip in this way: " In order for your application to maintain a persistent connection while it is in the background, you must configure the sockets used to communicate with your VoIP service. In iPhone OS, most sockets are managed using higher-level constructs such as streams. As a result, configuration of a socket to support VoIP occurs through the higher-level interfaces. The only thing you have to do beyond the normal configuration is add a special key that tags the interface as being used for a VoIP service. Table 4-1 lists the interfaces that you can configure for VoIP usage and the keys you assign. ... " how can I let pjsip work well under this? -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/attachments/20100609/1caf2bda/attachment.html>
