The Benefits of IP

Free Calls to any other IP Handset from any location.
Cheaper calls to any other dialled destination bespoke rates available (Ivory Billing).
Personal Voicemail.
Mobile Twinning (mobile will ring when DDI number is called) ability to transfer from IP Phone to mobile and vice versa.
Web server to administer individual handsets and features.
Conferencing at preferential call tariffs between any IP handset.
High Quality Mitel Handset.
No impact on home telephone usage (Works through Internet connection).
No need for PC to be switched on to be contactable.
Telephone can be plugged into ANY Internet connection worldwide to provide service.