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COT TO COT lockup

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TPGCOM

Technical User
Aug 9, 2006
5
CA
Problem started when conferencing to two external numbers would cause two COTS to stay connected, problem solved when supervision = no, however still finding trunks locked together, tried to simulate how or why this is occuring but unable to determine cause. Trunks are ground start and are denied termination at CO.
 
try thfd in cls, might help, are these anaolg trunks?

john poole
bellsouth business
columbia,sc
 
Yes there analog grnd start, does THFD apply to centrex trunks only, this is something that just started to happen about 6 months ago, before that no problems.
 
i have seen thfa on non centrex trunks that was causing problems.. couple of other prompts that can make a diff. one is supervision no, meaning your not waiting for far end supervision.. another is set ndec fdec to eth

john poole
bellsouth business
columbia,sc
 
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