Hi all, PJSIP version 2.5.5 is just released with the main focus on: - IPv6 support in PJNATH - IPv6 support in PJLIB-UTIL DNS SRV and DNS AAAA resolution, and - IPv6 support for hostname resolution (with and without nameserver) in PJSIP and PJSUA-LIB As usual the release also includes several enhancements and bug fixes, please see the Release Notes page for more info and grab the source code from the Download page. Best regards, PJSIP team