Hello, I want FS on listen on IPv6 address but facing issue. =======FS CLI output =========== 2017-08-24 17:25:44.786068 [ERR] sofia.c:3146 Error Creating SIP UA for profile: register (sip:mod_sofia@[fe80::e063:e1a0:4d41:6a50]:5070;transport=udp,tcp) ATTEMPT 2 (RETRY IN 5 SEC) 2017-08-24 17:25:49.786024 [ERR] sofia.c:3146 Error Creating SIP UA for profile: register (sip:mod_sofia@[fe80::e063:e1a0:4d41:6a50]:5070;transport=udp,tcp) ATTEMPT 3 (RETRY IN 5 SEC) 2017-08-24 17:25:49.786024 [ERR] sofia.c:3156 Error Creating SIP UA for profile: register (sip:mod_sofia@ [fe80::e063:e1a0:4d41:6a50]:5070;transport=udp,tcp) The likely causes for this are: 1) Another application is already listening on the specified address. 2) The IP the profile is attempting to bind to is not local to this system. ================================================= ==========IFCONFIG output============================ [root@localhost ~]# ifconfig enp0s3: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 inet 192.168.1.89 netmask 255.255.255.0 broadcast 192.168.1.255 inet6 fe80::e063:e1a0:4d41:6a50 prefixlen 64 scopeid 0x20<link> ether 08:00:27:dc:70:f7 txqueuelen 1000 (Ethernet) RX packets 68251 bytes 9598853 (9.1 MiB) RX errors 0 dropped 28 overruns 0 frame 0 TX packets 46138 bytes 12084174 (11.5 MiB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 ====================================================== There is no other application using 5070 port. Please help me understand issue here.