I P-PBX WITH EMBEDDED GSM/UMTS INTERFACE

摘要

The invention relates to an integrated communication saving system enabling realization of different communication functions over a single equipment, the data and voice communication with respect to wired/wireless telephone (27) and/or DECT telephone (53), computer connected to the local network (34), IP telephones (33) and especially for POS equipment (28), realization of POS communication performed at a high cost over the independent fixed telephone lines (PSTN) and running unaudited by means of the control unit (15) and signal processing units (18) created within the equipment referred to, over the Internet (29), mobile network (GSM/GPRS/EDGE/3G) (35) or PSTN (22), without requirement for any configuration change on the existing PBX structure realization at a very low cost the cellular telephone (24) calls over the GSM (35) as well as over the internal lines (27) and/or DECT telephones (53) connected to the system, over the relevant/called GSM operator.