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Joined: Mar 2008
Posts: 166
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Joined: Mar 2008
Posts: 166 |
I have a school that is saying calls are randomly being dropped. I have tried, but could never duplicate the problem myself. I checked all the basic things, such as alarm system on lines, etc. I even tried replacing the 4 port co board, and problem is still happening. According to employees, problem happens more on lines 1 and 4. Co's are bought in using a t-1 and channel bank.
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Joined: Jun 2003
Posts: 3,273 Likes: 1
Moderator-Toshiba
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Moderator-Toshiba
Joined: Jun 2003
Posts: 3,273 Likes: 1 |
If they have DKT2000 series phones, it could be a worn hookswitch which is common on those models.
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Joined: Feb 2007
Posts: 330
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Member
Joined: Feb 2007
Posts: 330 |
Make sure that you are getting somewhere around 45-48 VDC across tip and ring. I have seen 25 VDC across tip and ring from a channel bank causing dropped calls.
Hodgkin's Lymphoma Survivor! Took a step 20 years back in time. Managing the VHF radio network for the Florida Forest Service. Caloosahatchee District 17.
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Joined: Dec 2007
Posts: 2,033
Moderator-Toshiba
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Moderator-Toshiba
Joined: Dec 2007
Posts: 2,033 |
Swap 1/4 with 2/3 and see if the problem follows the line(s) or stays on the CO position. I also agree with phonemeister on the HS
- Tony Ohio Data LLC Phone systems, data networks, firewalls and servers in Central Ohio. Some people aren't used to an environment where excellence is expected.
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