The AVM ISDN-Controller C4 is the right hardware for server installations with more than one basic-rate ISDN line. Equipped with a StrongARM SA-110 processor for 270 MIPS and 16 MB of on-board memory, the C4 supports all the ISDN communication services. Its design affords exclusive digital and analog communication features. The controller software for the C4 is available for Windows NT, Windows 2000, Novell NetWare and Linux.

Technical specifications
AVM ISDN-Controller for BRI lines; PCI bus interface
One to four BRI lines
Active ISDN-Controller with on-board CPU and memory
High-performance StrongARM SA-110 CPU with 270 MIPS at 233 MHz
16 MB of SDRAM
State-of-the-art technologies, including BGA devices, SDRAM, 3.3 V supply voltage, and more
Low power consumption: about 3 W
PCI bus-mastering DMA: minimum system load and maximum throughput

Suitable for all ISDN services:
Internet access
Internetworking
Remote access
File transfer
Fax
Voice
Video
Digital communication with other networks

Application interface Common ISDN API 2.0
Digital protocols: X.75, HDLC transparent, bit-transparent, X.25, ISO 8208 (X.25 DTE-DTE), X.31 Case a/b, T.70, T.90, Mobile ISDN (ISO 3309), V.110, V.120
CAPI SoftCompression X.75/V.42bis and channel bundling in conformance with CAPI specification
CAPI SoftFax: fax at 2400, 4800, 9600 and 14400 bit/s, including ECM and MR/MMR; CAPI SoftModem: analog modem connections at 1200/75, 2400, 4800, 9600 and 14,400 bit/s

Analog protocols:
Group 3 fax (T.30, V.17, V.29, V.27ter), Group 3 Annex A (Error Correction Mode) and two-dimensional data compression (MR/MMR)
Modem connections with V.2, V.21, V.22bis, V.22, and V.32bis
DTMF detection, support for point-to-point lines and leased lines
Supplementary Services (such as Hold & Retrieve, Suspend & Resume (TP), 3PTY, ECT, and more)
All protocol software downloaded to the controller
AVM CoNDIS WAN, AVM TAPI, and AVM ISDN CAPI Port Driver for all supported Windows operating systems
Up to four ISDN-Controller C4s in one system
International approvals

Package contents
AVM ISDN-Controller C4
CAPI 2.0 driver Software for Windows XP (64-Bit Edition), Server 2003/XP/2000/NT, Linux (inklusive 64-Bit), OS/2, and Novell NetWare 4.x/5.x/6x
ISDN cables with RJ-45 plugs, 6 m
CAPI 2.0 drivers for Windows XP, 2000, NT; NetWare and Linux
Configuration and diagnostics software
AVM ISDN CAPI Port Driver
AVM NDIS WAN CAPI Driver
AVM ISDN Tools (file transfer programs)

C4 ISDN Controller Manual
C4 ISDN Controller Datasheet