[asterisk-users] how to determine if a SIP extension has DND on oroff

[Steve Langstaff]

Sending the phone a SIP OPTIONS message *should* get you the response
code that the phone would respond with if you sent it an INVITE - I
don't know how to do that from AGI though. 

> -----Original Message-----
> From: asterisk-users-bounces at lists.digium.com 
> [mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Vieri
> Sent: 13 September 2007 14:30
> To: asterisk-users at lists.digium.com
> Subject: [asterisk-users] how to determine if a SIP extension 
> has DND on oroff
> 
> I would like to determine through an AGI script if a specific 
> SIP extension has DND on or off.
> 
> I know that if the SIP client dialed *78 or *79 it is usually 
> enough to just do a:
> 
> database show dnd
> 
> to fetch the DND status from the database.
> 
> However, not all clients dial *78 or *79 (or whichever 
> feature code is defined for DND).
> 
> Some softphones such as SJPhone have a DND button.
> When pressed and someone tries to Dial() that extension, the 
> Asterisk CLI shows something like this:
> 
>     -- Called SIP/4053
>     -- Got SIP response 486 "Do Not Disturb" back from
> 10.215.144.48
>     -- SIP/4053-08311988 is busy
> 
> So how could I get the "response code" *without* actually 
> dialing from within an AGI script? (I don't want to establish 
> a call, just want to see if the SIP client replies with a DND 
> response code) Like a "ping" of some sort...
> 
> Vieri
> 
> 
> 
>       
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