Hi All i have installed the symbian_ua_gui in the mobile and can make a call to sip accounts. but cant get the voice clearly and also there is some delay. Is there any codec to be installed ?. Thanks in advance Regards, Ragu Pathy -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/attachments/20100924/2bd0129f/attachment.html>