Mid-Call Signalling

The purpose of Mid-call Re-INVITE Consumption is to ensure smooth interoperability of supplementary services like audio Hold/Resume and call transfer. This feature …

Call Features

Call Park

The Call Park feature allows you to place a call on hold, so it can be retrieved from another phone in …

DynDNS Setup

you will have to press ctrl+v then ? to add the question mark Tested

ip ddns update method DynDNS
 HTTP
  add http://username …