Protocols
Multilink PPP (RFC 1990).
PPP (RFC 1661).
Always On/Dynamic ISDN (AO/DI).
V.120 rate adaptation.
Asynchronous 128K (3Com proprietary).
Advanced Asynchronous 128K (3Com proprietary).
ISDN Standards and Interface
Complete digital network termination (Basic Rate ISDN U
interface with built-in NT1).
Compatible with Lucent, Northern Telecom, and Siemens
switches.
Security
Password Authentification Protocol (PAP) and Challenge
Handshake Protocol (CHAP) support on both single-channel and
Multilink PPP calls.
Microsoft Encrypted Password (MS-CHAP) support.
ISDN Call Logging displays the five latest outgoing and incoming
phone numbers dialed for both voice and data calls.
Voice Features
Dynamic Voice Override allows you to place or receive voice
calls while a Multilink PPP or Advanced Asynchronous 128 K
transmission is active.
Two analog ports for attaching telephone equipment, such as
touch-tone telephones, fax machines, or analog modems, to the
ISDN line.
Support for a variety of supplementary voice services, such as
Call Waiting, Call Forwarding, Caller ID, three-way conference
calling options, and message waiting indicator.
Cost Saving Features
Dynamic Bandwidth Allocation manages the data flow on your
ISDN line’s B-channels.
Always On/Dynamic ISDN optimizes the use of your ISDN line
by taking better advantage of your ISDN line’s D-channel.
TollMizer™ places data calls over a voice connection saving you
the additional charge for a data call.