V.150 Overview
The V.150 Minimum Essential Requirements feature allows you to make secure calls in a modem over IP network. The feature uses a dial-up modem for large installed bases of modems and telephony devices operating on a traditional public switched telephone network (PSTN). The V.150.1 recommendation specifically defines how to relay data from modems and telephony devices on a PSTN into and out of an IP network through a modem. The V.150.1 is an ITU-T recommendation for using a modem over IP networks that support dial-up modem calls.
The Cisco V.150.1 Minimum Essential Requirements feature complies with the requirements of the National Security Agency (NSA) SCIP-216 Minimum Essential Requirements (MER) for V.150.1 recommendation. The SCIP-216 recommendation has simplified the existing V.150.1 requirements.
Cisco V.150.1 MER feature supports the following interfaces:
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Media Gateway Control Protocol(MGCP) T1(PRI and CAS) and E1(PRI) trunks
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Session Initiation Protocol (SIP) trunks
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Skinny Client Control Protocol (SCCP) for analog gateway endpoints
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Secure Communication Interoperability Protocol-End Instruments (SCIP-EI)