Yealink SIP-T48G Administrator's Manual page 182

Microsoft Lync Edition Administrator's Guide for SIP-T2_Series and T4_Series IP Phones
Multiple addresses are separated by space.
5. Click Confirm to accept the change.
A dialog box pops up to prompt that the settings will take effect after reboot.
6. Click OK to reboot the IP phone.
IPv6 is the next generation network layer protocol, designed as a replacement for the
current IPv4 protocol. IPv6 is developed by the Internet Engineering Task Force (IETF) to
deal with the long-anticipated problem of IPv4 address exhaustion. IPv6 uses a 128-bit
address, consisting of eight groups of four hexadecimal digits separated by colons. VoIP
network based on IPv6 can ensure QoS, a set of service requirements to deliver
performance guarantee while transporting traffic over the network.
IPv6 Address Assignment Method
Supported IPv6 address assignment methods:
Manual Assignment: An IPv6 address and other configuration parameters (e.g.,
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