IP setting - How to register the gateway on domain name instead of IP address?

1) Setup correctly DNS server

• It is recommended to setup DNS1 and DNS2 as well as a backup. You can use globally known Google DNS server 8.8.8.8

2) Setup Domain name in SIP registration

• As described on the picture, setup domain name of SIP proxy, to which you want to register the gateway
• For correct SIP registration continue with settings of Caller ID or Username and Password if SIP proxy requires authentication

3) SIP Registrar

• For registration to SIP proxy domain name, you need to fill 0.0.0.0 as an IP address for SIP Registrar