[asterisk-users] Free sitting

[Steve Langstaff]

Have a look at your SIP phones' support for the Alert-Info header (and
Asterisk's support for it, come to that).
 

	
	I know some hardphone (eg Thomson ST2030) can set ring-tone
according Caller's presence inside phone's directory.
	
	In this case,  Asterisk would have to :
	- fake original caller-name and set it to "call for Alice", 
	- replace original caller-id with Alice extension (eg 4111
instead of +44  812 41 54 66)
	so that  hardphone  gets  everything it needs to :
	- recognize from caller-id that the calls comes from Alice
(though it's a call FOR Alice) 
	- and then uses Alice ringing tone instead of Bob's tone.
	
	Is this roughly correct ?
	
	How many phones behaves like this ?
	As you said, it would be sad to loose SIP portability.
	
	It would be nice to use SIP protocol to drive such behaviour. 
	


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