ALE M3-M5-M7-M8 DeskPhones Administrator Guide   
It configures the IPv6 prefix.  
Note: It works only if “DeviceNetworkIpStackMode” is set to IPv6, and 
"DeviceNetworkIpv6DhcpMode " is set to Static. 
Menu → Advanced (default password: 123456) Setting → Network → IP Config → IPv6 
Settings → Prefix6 
Network → IP Parameters → IPv6 → IPv6 Prefix (0~128) 
Note: Only the M8 phone supports the IPv6 configuration in phone web. 
It configures the IPv6 default gateway. 
Note: It works only if “DeviceNetworkIpStackMode” is set to IPv6, and 
"DeviceNetworkIpv6DhcpMode" is set to Static. 
Menu → Advanced (default password: 123456) Setting → Network → IP Config → IPv4 
Settings → Router 
Network → IP Parameters → IPv6 → Gateway 
Note: Only the M8 phone supports the IPv6 configuration in phone web. 
It configures the primary IPv6 DNS server. 
Note: It works only if “DeviceNetworkIpStackMode” is set to IPv6, and 
"DeviceNetworkIpv6DhcpMode" is set to Static. 
Menu → Advanced (default password: 123456) Setting → Network → IP Config → IPv6 
Settings → DNS1 
Network → IP Parameters → IPv6 → DNS1 
Note: Only the M8 phone supports the IPv6 configuration in phone web. 
It configures the secondary IPv6 DNS server. 
Note: It works only if “DeviceNetworkIpStackMode” is set to IPv6, and 
"DeviceNetworkIpv6DhcpMode" is set to Static. 
Menu → Advanced (default password: 123456) Setting → Network → IP Config → IPv6 
Settings → DNS2