============From extensions.conf:====================
[internal]
exten => 1000,hint,SIP/1000
exten => 1000,1, Macro(basicexten,SIP/1000)

exten => 1001,hint,SIP/1001
exten => 1001,1, Macro(basicexten,SIP/1001)

exten => 1002,hint,SIP/1002
exten => 1002,1, Macro(basicexten,SIP/1002)

exten => 1003,hint,SIP/1003
exten => 1003,1, Macro(basicexten,SIP/1003)

exten => 1004,hint,SKINNY/1004@wtf
exten => 1004,1, Macro(basicexten,SKINNY/1004@wtf)


=============From skinny.conf:=============================

[wtf]
device=SEP001795B0D93A
callerid="Test 7961" <1004>
context=phones
line=>1004
speeddial=>1000@internal,Extension 1000
speeddial=>1001@internal,Extension 1001
speeddial=>1002@internal,Extension 1002
speeddial=>1003@internal,Extension 1003