Hi, All Nokia has released long waiting VoIP Audio Service API, This API will be Builtin on future Nokia S60 device and works as plugin for 3rd Edition FP1 and FP2. they also mark "deprecated" the previous audio routing APS API ( Audio Proxy Server ) although APS also work on all 3rd Edition devices. VAS Supported codecs ? G.711 ? G.729 ? iLBC ? AMR-NB ? PCM-16 more.. http://discussion.forum.nokia.com/forum/showthread.php?t=134355 http://wiki.forum.nokia.com/index.php/SDK_API_Plug-in atik