an internet protocol terminal , comprises communication means for communicating via an ip network , a processor and memory . the memory contains an operating software for the ip terminal and the processor is configured to execute the operating software . the operating software comprises a normal mode logic for implementing a normal mode operation and a restricted mode logic for implementing a restricted mode operation . the normal mode logic comprises program code for initiating a call of a first type under control of instructions from one or more dedicated servers . the restricted mode logic comprises program code for collecting connection information of other ip terminals and for initiating a call of a second type without instructions from the one or more dedicated servers .