Voice, data and electronic mail will continue to be accessible. The widespread adoption of the GSM standard played a significant part in creating that constant communication. Businesses would like to make contracts for global mobile telecommunications services. However, the market and the underlying regulatory structures make that impossible. It is necessary to buy these country by country and patch them together.
Mobile operators do the same, through their roaming agreements.
It is far from satisfactory and not at all efficient. When an employee moves to a different site then the full functionality of the VPN is available with no increase in cost. A similar level of functionality is expected of mobile telecommunications. The objective is the integration of mobile telecommunications with VPNs, together with the elimination of roaming charges. There are ever growing numbers of people travelling across national borders for holidays, often more than once a year.