Dear . i installled FreeSWITCH Version 1.5.14b+git~20140827T182815Z~1dc44067cd~64bit (git 1dc4406 2014-08-27 18:28:15Z 64bit) My question is why profiles say ipv6 freeswitch@internal> sofia status Name Type DataState ================================================================================================= external-ipv6profile sip:mod_sofia@[::1]:5080RUNNING (0) external-ipv6::g4gateway sip:844953@voip.xxx.clNOREG externalprofile sip:mod_sofia@190.yy.yyy.yyy:5080RUNNING (0) external::g4gateway sip:844953@voip.xxxclNOREG ssw.foo.com alias internalALIASED internal-ipv6profile sip:mod_sofia@[::1]:5060RUNNING (0) internalprofile sip:mod_sofia@190.xx.xxx.xxx:5060RUNNING (0) ================================================================================================= Why my gateway g4 named external-ipv6::g4 ? I am confused what i doing wrong?