As varun told you, the registrar url is wrong, the Sip prefix on the registrar is missing. I needs to be like this: sip:192.168.2.158 Mit freundlichen Gr??en Dr.-Ing. Andreas Ahland CTO Technischer Leiter Telefon : +49 251 6183-196 Telefax : +49 251 6183-197 Von: pjsip [mailto:pjsip-bounces at lists.pjsip.org] Im Auftrag von Karishma Barot Gesendet: Mittwoch, 16. M?rz 2016 12:01 An: pjsip at lists.pjsip.org Betreff: [pjsip] Fwd: solve troble in account registration Please find a snap in attachment so that you get my issue properly. Thanks. ________________________________ From: "Karishma Barot" <karishma.barot@xxxxxxxxxxxxx<mailto:karishma.barot at panamaxil.com>> To: "pjsip" <pjsip at lists.pjsip.org<mailto:pjsip at lists.pjsip.org>> Sent: Wednesday, March 16, 2016 4:14:47 PM Subject: Fwd: solve troble in account registration Hello I am karishma Barot. I am new to pjproject. I want to use softphone developed by you. But problem is that I am having trouble in account registration. I am using fedora 22 and have installed pjproject-2.4.5 . When I input fields required to register an account such as SIP URL , URL of the registrar , Auth Realm , Auth Username , Auth Password , I am getting error as following : 12:04:54.884 pjsua_acc.c Adding account: id=192.168.2.158 12:04:54.884 pjsua_acc.c .Invalid local URI: Invalid URI (PJSIP_EINVALIDURI) [status=171039] 12:04:54.884 pjsua_acc.c .Error adding account: Invalid URI (PJSIP_EINVALIDURI) [status=171039] 12:04:54.884 pjsua_app_lega Error adding new account: Invalid URI (PJSIP_EINVALIDURI) [status=171039] Can you please help me to solve this so that I can use calling functionality of pjsip. Keen to hear from your side. Thanks. -- (Regards) Karishma P. Barot Graduate Engineer Trainee - C Language Panamax Infotech Ltd Skype - karishma-panamax-c Contact no. - 9737176067 __________________________________________________________________________________ SELECTRIC Nachrichten-Systeme GmbH Haferlandweg 18 48155 Muenster Internet: www.selectric.de --- Sitz der Gesellschaft (Company Premises): Muenster | Registergericht (Register Court): Amtsgericht Muenster | HRB-Nr. 1264 Geschaeftsfuehrer (General Managers): Michael Heussner, Hendrik Pieper -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/attachments/20160316/d3493651/attachment.html>