data exchange application_number US 201615157476 A description referring to fig1 and 2 a dynamic voip location system which could be a private or commercial server 100 voip location server in any location in the world which uses internet services and which includes one or more databases voip location database and an external internet access c 2 to the system 100 additional external access means to the system can also be present additional external databases 101 voip location database may be accessible to the system 100 the system server 100 could host the u2018 software module u2019 voip location software module u2018 sm u2019 downloadable into a wireless device for example the u2018 software module u2019 as shown in fig1 and 2 in each wireless device wd_x 1 and wd_y 1 and wd_wn and wd_zn and so forth in fig1 to use the u201c dynamic voip location system u201d service the device users must connect to the voip location server and subscribe to the service in some very specific cases where the information of a specific database accessible to the system consists explicitly and only of public information without any legal restriction on disclosure of any form from any third party whatsoever only in this last case potentially no subscription would be required if so decided by such 3 rd party the dynamic voip location system consisting of at least one voip location server u2018 100 u2019 and at least two or more devices that incorporate a u2018 sm u2019 voip location software module the voip location server preferably keeps a record of the subscribers with their express consent in a database 101 preferably resident within the same server 100 and stores.