متغییر های سیستمی پرکاربرد

برخی از متغییر های سیستمی پر کاربرد:

${CDR(accountcode)} * – Account code (if specified)

${BLINDTRANSFER} – The name of the channel on the other side of a blind transfer

${BRIDGEPEER} – Bridged peer

${BRIDGEPVTCALLID} – Bridged peer PVT call ID (SIP Call ID if a SIP call)${CALLERID(ani)} * – Caller ANI (PRI channels)

${CALLERID(ani2)} * – ANI2 (Info digits) also called Originating line information or OLI

${CALLERID(all)} * – Caller ID

${CALLERID(dnid)} * – Dialed Number Identifier

${CALLERID(name)} * – Caller ID Name only

${CALLERID(num)} * – Caller ID Number only

${CALLERID(rdnis)} * – Redirected Dial Number ID Service

${CALLINGANI2} * – Caller ANI2 (PRI channels)

${CALLINGPRES} * – Caller ID presentation for incoming calls (PRI channels)

${CALLINGTNS} * – Transit Network Selector (PRI channels)

${CALLINGTON} * – Caller Type of Number (PRI channels)

${CHANNEL} * – Current channel name

${CONTEXT} * – Current context

${DATETIME} * – Current date time in the format: DDMMYYYY-HH:MM:SS (Deprecated;use ${STRFTIME(${EPOCH},,%d%m%Y-%H:%M:%S)})

${DB_RESULT} – Result value of DB_EXISTS() dial plan function

${EPOCH} * – Current unix style epoch

${EXTEN} * – Current extension

${ENV(VAR)} – Environmental variable VAR

${GOTO_ON_BLINDXFR} – Transfer to the specified context/extension/priority after a blindtransfer

${HANGUPCAUSE} * – Asterisk cause of hangup (inbound/outbound)

${HINT} * – Channel hints for this extension

${HINTNAME} * – Suggested Caller*ID name for this extension

${INVALID_EXTEN} – The invalid called extension (used in the “i” extension)

${LANGUAGE} * – Current language (Deprecated; use ${LANGUAGE()})

${LEN(VAR)} – String length of VAR (integer)

${PRIORITY} * – Current priority in the dialplan

${PRIREDIRECTREASON} – Reason for redirect on PRI, if a call was directed

${TIMESTAMP} * – Current date time in the format: YYYYMMDD-HHMMSS (Deprecated; use ${STRFTIME(${EPOCH},,%Y%m%d-%H%M%S)})

${TRANSFER_CONTEXT} – Context for transferred calls

${FORWARD_CONTEXT} – Context for forwarded calls

${DYNAMIC_PEERNAME} – The name of the channel on the other side when a dynamic feature is used.

${DYNAMIC_FEATURENAME} The name of the last triggered dynamic feature.

${UNIQUEID} * – Current call unique identifier

${SYSTEMNAME} * – value of the systemname option of asterisk.conf

${ENTITYID} * – Global Entity ID set automatically, or from asterisk.conf