Allow an incoming call to a called party, which would be otherwise unavailable, to be redirected to a mobile telephone or other telephone number where the desired called party is situated. It can be forwarded on different conditions such as “When Busy”, “No Answer”, or “Always”.
You can choose different conditions to your call forwarding feature. So “When Busy”, you can choose to ask the caller to leave a voice message or just automatically transfer to another extension. When “No answer”, maybe you are out of office, you can situated to ring the desk phone and your mobile phone simultaneously. So you won’t miss a call. And if you are in a holiday, which means that you are “Always” unavailable, just let your colleague to help you deal with your stuff and enjoy your holiday.