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#602448 07/20/16 11:16 AM
Joined: Jan 2011
Posts: 116
OP Offline
Joined: Jan 2011
Posts: 116
Have don't this numerous times and for some reason on this Mitel 200 LW 19 with loop start trunks and analog trunks with ATT when they transfer me to their reservation 800 number it won't recognize my DTMF digits. If the property calls the this number directly it works fine so only with 2 trunks talking together is when it won't work. ATT is sayting it is nothing on their end and that answer and disconnect supervision is turned on. Not sure what else to do at this point. Anyone run into this or have any advice? I have compaired programming with another site that it works fine but this site isn't ATT.

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Joined: Feb 2006
Posts: 1,716
Joined: Feb 2006
Posts: 1,716
You may have a tip and ring reversal on one of the trunks. With loop start lines, you are at the mercy of the provider. You have to check.

One other thought here, you might want to consider open tip trunks. The polarity HAS to be correct or the truck doesn't work at all.


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