The core of this thesis is to describe in detail the design of communication protocol for client/server communication and creation of a functioning server application prototype. REST design approach was used for this communication. This approach uses mainly GET and POST functions of HTTP transport protocol. The server application prototype is created in PHP with the help of Silex micro-framework. The protocol is designed for mobile clients, which are used for registering into queues and also for administrative clients, which can control and manage the queues. Testing of the designed protocol with server application prototype is described at the end of this thesis