ROF1575018/1 Ericsson MD110 PBX Expansion Card

The Ericsson ROF1575018/1 is a BTU-P Indial Card designed for use within Ericsson’s MD110 private branch exchange (PBX) systems. This card provides inward dialling functionality, enabling direct inward dialling (DID) capabilities that allow external callers to reach specific extensions without operator assistance.

The BTU-P Indial Card is deployed within MD110 systems to interface with public telephone networks, processing incoming trunk signals and routing calls to the appropriate internal extensions. This functionality is essential for businesses requiring efficient call handling across multiple departments or users.

The Ericsson MD110 is a legacy PBX platform that was widely deployed in enterprise environments. While this system has been superseded by newer IP-based solutions, many MD110 installations remain in active service, creating ongoing demand for replacement and expansion cards to maintain these systems.

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