Telephony API - Call States and Transitions

Hi,

There are two different trends followed by the two Telephony API proposals on the table regarding call states and transitions.

In a nutshell the basic difference is whether:
-we specify a call state machine that allows the telephony applications to be confident on the state transitions that may be expected at every point in the call flow (as in [1] section 8.2), or otherwise
-we define a state transition matrix (as in [2] section 4.4) which describes a lax transition policy between call states and require the telephony applications to re-synchronize its internal state according to the call transitions reported by the telephony network

The authors of these proposals are interested in getting fresh arguments from other members of the group on the two approaches.

[1] http://sysapps.github.com/sysapps/proposals/Telephony/Telephony.html

[2] http://sysapps.github.com/sysapps/proposals/Telephony_Intel/Telephony.html



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Received on Tuesday, 22 January 2013 17:30:26 UTC