<br><br><div><span class="gmail_quote">2007/8/7, Gordon Henderson <<a href="mailto:gordon+asterisk@drogon.net">gordon+asterisk@drogon.net</a>>:</span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
On Tue, 7 Aug 2007, Olivier wrote:<br><br>> Gordon,<br>><br>> What you described is exactly Follow-me feature : users are always logged<br>> and can be reached somewhere.<br><br>I've heard of some variants of this feature - that's the beauty (and
<br>down-side!) of a programmable system - it's open to different people's<br>interpretations... (And why I think some of these features shouldn't be<br>hard-coded into the system when they are implementable in the dialplan or
<br>AGI)<br><br>> By the way, do you introduce special settings so that ringing tones are<br>> different ?<br>> Let me explain this :<br>><br>> If Alice dials its extension and PIN code using Bob's hardphones, Bob and
<br>> Alice can both be called with the same phone.<br>> Is it possible to have different ringing for Alice and Bob's incoming calls<br>> ?<br><br>The simple answer is "I don't know"..<br><br>> Maybe an SDP option inside INVITE SIP message would do the trick ?
<br>> Maybe hardphone settings would read INVITE fields (Contact info ?) to<br>> segregate calls ?<br><br>A simple way might be to change the caller-id on follow-me calls - change<br>the name part into the number and change the number into a special number
<br>that the phone recognises as a separate ring-tone, but you lose<br>information here, and need a phone that can display both name and number<br>at the same time, and connect numbers to different ring-tones - then you<br>
end up going down the route of requiring a certian phone for a certian<br>service - which might be acceptable to some people, but defeats the whole<br>generic "any SIP phone will do" type ideas.</blockquote><div>
<br>Could you elaborate ?<br><br>I know some hardphone (eg Thomson ST2030) can set ring-tone according Caller's presence inside phone's directory.<br><br>In this case, Asterisk would have to :<br>- fake original caller-name and set it to "call for Alice",
<br>- replace original caller-id with Alice extension (eg 4111 instead of +44 812 41 54 66)<br>so that hardphone gets everything it needs to :<br>- recognize from caller-id that the calls comes from Alice (though it's a call FOR Alice)
<br>- and then uses Alice ringing tone instead of Bob's tone.<br><br>Is this roughly correct ?<br><br>How many phones behaves like this ?<br>As you said, it would be sad to loose SIP portability.<br><br>It would be nice to use SIP protocol to drive such behaviour.
<br><br></div><br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">I have experimented with sending text message to phones (for other<br>purposes - eg. the print the speed-dial numbers to the display when they
<br>get set), but again, different phones handle this differently, and some<br>you need to push a key-sequence to get the message, by which time it might<br>be too late!<br><br>Gordon<br><br>_______________________________________________
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