https://community.fortinet.com/fortivoice-38/technical-note-370i-470i-registration-with-b-series-fortivoice-or-talkswitch-pbx-95584
Technical Note: 370i/470i registration with B Series FortiVoice or TalkSwitch PBX | Community
DescriptionThis article explains how to register a 370i or 470i phone to a first generation B series FortiVoice unit or older TalkSwitch phone system.No...