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Technical Specifications A-1
Appendix A
Technical Specifications
This appendix provides the technical specifications for the Model XM128 ISDN Digital Modem.
General Specifications
Network Protocols and Standards Compatibility
WAN Protocols: Multilink PPP, BACP, PPP V.120, V.110, X.75
ISDN Standards: National ISDN-1 (North America)
AT&T 5ESS Custom (North America)
1TR6 (Europe)
Nortel DMS-100 (North America)
EURO ISDN ETSI/NET-3/CTR3 (Europe)
NTT INS-Net64 (Japan)
Compatibility: AT Command Set with ISDN extensions
DTR Dialing Supplementary Services
Calling Line Identification
Security
PAP, CHAP, Caller ID, Callback, Call blocking