We've contacted Nortel and they advised that there is a patch to fix this DTMF issue. Apparently this is a known issue by Nortel, hense why the patch exists.
Was an answer ever found for this issue? I have the same issue with multiple cell phones on a BCM50 Rls 3.0 where the system doesn't recognize their DTMF tones. Some cell phones work and others don't. Also these same cell phones that don't work now DID work on their Norstar system that the...
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