Let's imagine that there is a base DTMF package defined that supports the 12 basic keys. Now cisco makes a vendor specific package that is pretty much the same but includes key presses for the "HOLD" button. Nortel does pretty much the same but calls it the "F1" button. Now SNOM wants to build a phone that supports both and in fact is operating in an environment with a Nortel PBX, Cisco Voice Mail, and Asterix SBC which understands both - the phone really needs to send both and they need to be one atomic action so they are not interpreted as the wrong thing or as double key presses.

It seems that things along the lines of the above will happen and need to be considered. I don't know if this means an INFO needs to carry more that one thing or not. The worst possible solution I can imaging to this is that SNOM builds a new package that combines the Cisco and Nortel package.

Cullen <in my individual contributor roll>

PS - I do not care if people want to solve this use case or not. I just mention it as something I view as somewhat likely to happen. I am happy with whatever get's decided. _______________________________________________
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