Fixed calls transforming device for GSM mobile telephone, has ACTELLBOX integrated with two SIM cards, where ACTELLBOX is used as mono channel analog gateway, and casing with software for parameterizable digital communication

摘要

The device has an ACTELLBOX integrated with two SIM cards, where the ACTELLBOX is used as a mono channel analog gateway. The ACTELLBOX is equipped with a female RJ45 plug for permitting voice on an internet protocol (IP). A casing of the ACTELLBOX has software for parameterizable digital communication. The casing is installed at upstream/downstream of a PABX network.