[Telephony] editorial 10.3 Steps

The description for disconnected [1] says:
> The multiparty call has been disconnected and this object is invalid for call control. In this final state, the implementation MUST raise an ILLEGAL_STATE exception when any method call is attempted.

Descriptions should really be informative, and shouldn't include normative (MUST) language.

Note that not all methods trigger the same error state when one takes a call/conference which is in "disconnected".

* `split` will trigger InvalidModificationError instead. 
* removeParticipant supposedly will ask the system to do work...

On the subject of normatives, CallHistoryEntry Interface [2] says:
"This section is non-normative."
"This interface describes the properties which MUST be supported for call history entries."
"For multiparty call there MUST be a separate object for each call participant, sharing the same value for the conferenceId property."

Non-normative sections SHOULD NOT use RFC words....

[1] http://telephony.sysapps.org/#multiparty-steps
[2] http://telephony.sysapps.org/#callhistoryentry-interface

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Received on Tuesday, 16 April 2013 21:07:02 UTC