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Cisco SX with an ISDN box connected to an ISU 512 - no 2-way audio video
by
mongvoc
on
06-16-2016
08:32 AM
Latest post on
06-16-2016
09:11 AM
by
patrick
1
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2169
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0
1
can not call out solid TR light on front panel in unsecured mode
by
azbaseball
on
09-25-2015
10:58 AM
Latest post on
09-25-2015
12:05 PM
by
patrick
1
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2332
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0
1
ISU 512 Keeps Dialing Local CODEC non-stop
by
hongkgi
on
06-10-2014
09:47 AM
Latest post on
07-10-2014
04:28 PM
by
Anonymous
4
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2168
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0
4
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