Currently in new beta gsm codec is not working. Please add support of G723 and G729 codecs. Please add "connect using codec" in VOIP provider settings menu (because i unable to use external SIP provider by CODEC MISMATH erorr. Using G.711u non possible. Using G.711a possible but in the extreme situations (when G.723/G.729 refused). Using of G.723/G.729 is very needed. Codecs G.723 G.729 GSM G.711a support neded. Can you add support for external G.723/G.729 codecs? (Codecs installed on my system).