The PBX can be used to make calls with your mobile phone using the cheaper fixed network tariffs. An external subscriber (A) dials a number of the system with the mobile phone. The system recognises the subscriber by the transferred number. If the number is set in the system as authorised for Call Through the PBX accepts the call and waits for the dialling of the number of the target subscriber (B). After the input of the number on the mobile phone the PBX establishes the connection between A and B using two free B channels. If Least Cost Routing is activated for this connection the cheapest possible provider will be selected. The cost savings could be up to 80%! Using the Call Through feature internal subscribers or groups not included in the call distribution can be reached as well.
