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DTMF Tones not registering at a bridge in Germany from a system based in US

Hi folks,

I have an 3000 MXP endpoint in NYC that is trying to enter a DTMF pin code to allow it to enter a bridge in the Germany and it is failing.  How does the Tandberg 3000 MXP present it's DTMF tones when calling overseas?  Does it use u-law (US Standard) to pass the DTMF tones that get converted to  A-law (European standard) and possibly the poor signal isn't being picked up by the bridge?  Any ideas?

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