NMS error starting isdncta: ISDNEVN_START_PROTOCOL-ISDNERR_INVALID_OPERATOR

本文介绍了解决NMS在启动ISDN CTA过程中遇到的ISDNEVN_START_PROTOCOL-ISDNERR_INVALID_OPERATOR错误的方法。当指定的ISDN协议与ISDN线路不匹配时会出现该错误。文章详细解释了如何正确配置isdncta命令参数，包括选择正确的网络运营商变体。

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Title: NMS error starting isdncta: ISDNEVN_START_PROTOCOL-ISDNERR_INVALID_OPERATOR
Description:
NMS error starting isdncta, for example:

C:\>isdncta -a0 -b0 -o20
ISDN demon for Natural Access V.5 (May 23 2002)
Initializing and opening the Natural Access context...
Event: CTAEVN_OPEN_SERVICES_DONE, Finished
Starting ISDN stack on board 0 nai 0 TE side...
ISDNEVN_START_PROTOCOL-ISDNERR_INVALID_OPERATOR: (00072001, 00071012)
Exiting...

Resolution:
If you specify the wrong ISDN protocol (-oxx) not matching your ISDN line, you will get this error.

The options for isdncta are:

-b number CG board number (Terminal Equipment side)
or
-B number CG board number (Network Terminator side)

-a accessID Network Access Identifier

-o operator Network operator variant

Values for -o:

France Telecom VN6: 3
Northern Telecom VN6: 3
Nippon Telegraph DMS 100: 8
EuroISDN: 11
Australian Telecom 1: 15
ECMA - QSIG: 16
Hong Kong Telecom: 17
National ISDN 2: 20
AT&T 5ESS 10: 23
AT&T 4ESS: 24
Korean Operator: 25
Taiwanese Operator: 50

Products: NVP 2.0
NVP 3.0
NuanceASR 7.0
NuanceASR 8.0

NuanceASR 8.5

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