VoIP Phones - Yealink DECT: Difference between revisions

 
Features -> General Information -> Accept SIP Trust Server Only --> Set to Enabled (This stops direct 'ghost calls' from the internet, and only allows calls from the registered SIP server)
<gallery widths=500px mode=nolines>
Yealink-ghost-call.png|thumb|To disable Ghost calls
</gallery>
 
Features -> General Information -> Call Waiting --> set to Disabled