DIVA T/A ISDN Modem User’s Guide 114
DIVA T/A Firmware Specifications

Software

Feature

Supported on the DIVA T/A
WAN
Protocols
•PPP (Point-to-Point Protocol)
• Multilink PPP
• Always On/Dynamic ISDN (AO/DI)
•ISDN (Q.921/Q.931: NI-1, AT&T 5ESS Custom, Euro-
ISDN, TPH1962/TS.013, and INS-Net64)
•V.120 Rate Adaption
• V.110 Rate Adaption
• HDLC Framing
Voice Call
Support
•Call Bumping (DBA)
•µ-law or A-law Encoding
•Internal Ring Generation
•DTMF and Pulse Dialing
•Caller ID Delivery
• Calling Features: Call Forward, Call Waiting, Caller ID,
and 3-Way Conference
Async-to-Sync
Conversion
•Single- and multi-link PPP async-to-sync conversion
Bandwidth
Optimization
•Multilink PPP
• Always On/Dynamic ISDN (AO/DI)
•Bandwidth Allocation Control Protocol
(BACP)/Bandwidth on Demand (BOD)
•Data Compression (MPPC, STAC, Ascend compression)
Authentication
•PAP/CHAP
•MS-CHAP compatible
•SPAP compatible (Shiva Password Authentication
Protocol) in PPP and Multilink PPP modes.
•SecurID PPP-Token / CHAP