METHOD FOR STATUS INQUIRY OF AT LEAST ONE CONNECTION FOR A USER GROUP AND/OR COMMUNICATION TRANSMISSION DEVICE

摘要

The present invention relates to status inquiry in communication network (PSTN) from specific communications transmitting device (VPG1), it is set as A boards and is connected to the first exchange (VST1), in order to establish and at least one connection and/or communication equipment (TLN2, the scale of construction, TLN4) user group (CXGRP) by least one second exchange (VST2). The inquiry is directed toward from first interchanger at least second exchange, is passed through signaling paths (ZK).