[asterisk-users] Different devices for asterisk!!!

[Rizwan Hisham]

Hi all,
Im trying dial a user according to the device s/he uses. i mean if the user
is using asterisk as a peer, then i have to pass the extension in the dial
application like this:
Dial(SIP/${EXTEN}@user) ;so that s/he can perform routing according to the
DNID.

and if the user is using sipura, linksys or grandstream i dial the user like
this,
Dial(SIP/user)

so is there a way to know what kind of device user has used to register with
my asterisk server?

Thanx in advance

-- 
Regards
Rizwan Hisham
Software Engineer
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