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NBX V3000 Disconnecting on Long Distance Calls

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  • 1.  NBX V3000 Disconnecting on Long Distance Calls

    Posted Apr 09, 2012 08:47 AM

    When any user tries to call long distance, we dial our prefix 9 then 1 XXX-XXX-XXXX

     

    After about 20 seconds the line just hangs up, no ringing no tones no anything. I have tested the dial plan and its going out the LongDistance route as it should. Ive verified all uses CoS has Long Distance enabled. I have rebooted a couple times and reset the analog line cards. Also I have verified that the line cards are seeing the proper number which is 1 XXX XXX XXXX. I have also removed the analog lines and directly dialed out on them so I know that long distance is working on the phone company side. Does anyone know the advanced logging link or anything I can do to further troubleshoot why long distance calls are not working?

     

    Edit: This applies to local calls as well as long distance. Any outgoing bound call now has 2 sympotms, it will either just blindly hang up or sometimes it says "Device Offline" with a busy tone.



  • 2.  RE: NBX V3000 Disconnecting on Long Distance Calls

    Posted Apr 18, 2012 06:31 PM
    Perhaps the NBX is detecting bad quality signals on the line and is taking the card offline after too many slips and line coding violations. We had this problem with a T1 in atlanta. Finally AT&T fixed their cabling after months!