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Chapter 4 - Troubleshooting
MT128ISA/PCI
Q: Is it possible to build a point to point (end to end) videophone system based on the ISDN
card?
A: Yes, for versions after V2.24, a point to point videophone system is possible to set up. Youll
need the following devices: ISDN Adapter, Sound Card with speaker and microphone, Video
Capture Card, Camera, CPU:P-133, RAM 32M, VDOPhone.
Youll need to add a virtual modem (ISDN Videophone adapter) which runs HDLC at 512 bytes
per-packet (equal to ATB0S39+512). This string can also be added in the Extra Setting field
of the ISDN Universal-1 or Universal-2 adapter if you do not have the new MDMASU.INF file.
You may configure the VDOPhone application by selecting Setup>Modem, select the virtual
modem defined above. Use Setup>Advanced and place a mark in the check box for Use non
H.324 compliant Modem. Complete the other fields according to the requirements of the
specific hardware you are using.
Q: I would like to use G3Fax, a voice answering machine and telephony with my ISDN card in a
Windows environment. How can I do this?
A: Before using these functions youll need to install a CAPI compliant application such as RVS-
COM.
Q: Can I use the MultiModemISDN adapter in a dual processor machine?
A: Yes, In version 2.52, dual processors are supported in Windows NT and Windows 2000.
LINETest
Initiate the line test utility in Windows 2000 by clicking on the icon on the taskbar. Select Line Test. Enter your
ISDN telephone number and click Start. The adapter will establish a test call. The status of the ISDN B and D
channels between the terminal adapter and the ISDN switch network will display.
Note: Before using Line Test, make sure your ISDN line is not in use.
LineTest Error Messages (CAPI 2.0)
0x3301 protocol error layer 1
0x3302 protocol error layer 2
0x3303 protocol error layer 3
0x3304 another application got that call
0x3401 unsigned number
0x3402 no route to specified transmit network
0x3403 not route to destination
0x3406 channel unacceptable
0x3411 user busy
0x3412 no user responding
0x3413 no answer from user
0x3415 call reject
0x3416 number changed
0x341a non-selected user clearing
0x341b destination out of order
0x341c invalid number format
0x341d facility rejected
0x341e response to status inquiry
0x341f normal, unspecified