[subDialTrunk]
;==============================================================================
; subRoutine that dial out a call through a Trunk.
;     * Query the AstDB for this trunk.
;     * Check if this trunk is enabled.
;     * Check if the trunk is full.
;     * Dial it!
;
; $ARG1: Number to dial out.
; $ARG2: Trunk selected.
; $RESULT: enabled:maxchans:dialstring
;==============================================================================
exten => _X.,1,Set(RESULT=${DB(trunk/${ARG1})})
    same => n,Set(ENABLED=${CUT(RESULT,:,1)})
    same => n,GotoIf( $[!${ENABLED}]?disabled)
    same => n,Set(MAXCHAN=${CUT(RESULT,:,2)})
    same => n,Set(GROUP(out)=${ARG1})
    same => n,Set(GCOUNT=${GROUP_MATCH_COUNT(${ARG1})})
    same => n,Set(CDR(groupcount)=${GCOUNT})
    same => n,GotoIf( $[${GCOUNT}>${MAXCHAN}]?full)
    same => n,Set(DIALSTR=${CUT(RESULT,:,3)})
    same => n,Set(__TRANSFER_CONTEXT=ext-attxfer)
    same => n,Dial(${DIALSTR}/${EXTEN},300,Tb(hTrunkHangup^set_handler^1))
    same => n,Return(${DIALSTATUS})

    same => n(disabled),Verbose(1,Trunk ${ARG1} is disabled.)
    same => n,Return(DISABLED)

    same => n(full),Verbose(1,Trunk ${ARG1} is full.)
    same => n,Return(FULL)

exten => h,1,GotoIf($["${RTPAUDIOQOSBRIDGED}"=""]?finish)
    same => n,Set(CDR(rtpqos)=${RTPAUDIOQOSBRIDGED})
    same => n(finish),NoOp(finish)