Hi, My account is on sip2sip.info hence tried:- sip:sip2sip.info as the 'URL of the registrar' when setting up an account on pjsua still fails to register the account. The other inputs should be ok so does anyone know why this has not worked? thanks Paul -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/attachments/20111120/f6241e2e/attachment.html>