To start with, is there any third party BlackBerry apps than can do recording? This is an indication that developers can access the microphone input API to record, which is an essential part of VoIP, of course! On Sun, Jan 3, 2010 at 11:40, nir elkayam <nir.elkayam at gmail.com> wrote: > has anyone has any idea on how to start? > sip? full duplex audio? codecs? > > thanks, > nir > > _______________________________________________ > Visit our blog: http://blog.pjsip.org > > pjsip mailing list > pjsip at lists.pjsip.org > http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org > > -- Perry Ismangil