CDR Variables

1. Asterisk Project
2. …
3. Call Detail Records (CDR)

• Created by Malcolm Davenport, last modified on Aug 31, 2010

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If the channel has a CDR, that CDR has its own set of variables which can be accessed just like channel variables. The following builtin variables are available.

• ${CDR(clid)} Caller ID
• ${CDR(src)} Source
• ${CDR(dst)} Destination
• ${CDR(dcontext)} Destination context
• ${CDR(channel)} Channel name
• ${CDR(dstchannel)} Destination channel
• ${CDR(lastapp)} Last app executed
• ${CDR(lastdata)} Last app's arguments
• ${CDR(start)} Time the call started.
• ${CDR(answer)} Time the call was answered.
• ${CDR(end)} Time the call ended.
• ${CDR(duration)} Duration of the call.
• ${CDR(billsec)} Duration of the call once it was answered.
• ${CDR(disposition)} ANSWERED, NO ANSWER, BUSY
• ${CDR(amaflags)} DOCUMENTATION, BILL, IGNORE etc
• ${CDR(accountcode)} The channel's account code.
• ${CDR(uniqueid)} The channel's unique id.
• ${CDR(userfield)} The channels uses specified field.

In addition, you can set your own extra variables by using Set(CDR(name)=value). These variables can be output into a text-format CDR by using the cdr_custom CDR driver; see the cdr_custom.conf.sample file in the configs directory for an example of how to do this.