Article by Joe Spoto
Introduction:With the advancement of technology the old PBX systems have been replaced by the new more efficient private branch exchanges known as IP PBX. As the name predicts the IP PBX works on the principle of VoIP and PBX both. This system switches calls over to the local lines from internet. The sharing of external phone lines helps to accommodate more users in a faster and efficient way. The IP PBX serves between the VoIP user and
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