This function available in some telephone networks allows redirecting the incoming call to another telephone, for example, a mobile phone, a box of voicemail or another telephone number where the called subscriber is situated. In such a way the subscribers can, for instance, receive calls that have arrived at their work number from their home or mobile phone.
Virtual phone numbers provider with free advanced phone system included. Can connect VoIP phones in for incoming/outgoing. Multiple other forwarding options available.