Hello, The function init_sock at pjlib-util/src/pjlib-util/resolver.c should check if the IPv6 is available instead of return an error. Regards, Alexei _______________________________________________ Visit our blog: http://blog.pjsip.org pjsip mailing list pjsip@xxxxxxxxxxxxxxx http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org