[Asterisk-Users] AGI variables

[Innocent Evil]

When I read variables in AGI scripts, I see only the follwing 13 variables

agi_request
agi_channel
agi_language
agi_type
agi_uniqueid
agi_callerid
agi_dnid
agi_rdnis
agi_context
agi_extension
agi_priority
agi_enhanced
agi_accountcode

beside these, I found following variables documented on several sites.

agi_calleridname
agi_callingpres
agi_callingani2
agi_callington
agi_callingtns


Where can I find list of agi variables?

thanks,

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