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106 lines
4.4 KiB
106 lines
4.4 KiB
Asterisk billing support - Call Detail Records
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----------------------------------------------
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Asterisk generates Call Detail Records in a database or in a comma
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separated text file.
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* cdr_csv supports comma separated text file storage, this is the
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default driver
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* cdr_manager supports CDR information via the AMI, The Asterisk Manager
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interface
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* cdr_odbc supports UnixODBC databases, see http://www.unixodbc.org
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for an updated list of supported databases, from MySQL to MsSQL
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and text files.
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* cdr_tds supports FreeTDS databases (Among them MS SQL)
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NOTE: Please read doc/freetds.txt for information on possible
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problems with the FreeTDS driver
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* cdr_sqlite supports SQlite
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* cdr_pgsql supports PostgreSQL
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In the asterisk-addons subversion repository, there's a cdr_mysql driver for
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MySQL.
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Applications
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------------
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* SetAccount Set account code for billing
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* SetAMAFlags Sets AMA flags
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* NoCDR Make sure no CDR is saved for a specific call
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* ResetCDR Reset CDR
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* ForkCDR Save current CDR and start a new CDR for this call
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* Authenticate Authenticates and sets the account code
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* SetCDRUserField Set CDR user field
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* AppendCDRUserField Append data to CDR User field
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For more information, use the "show application" command.
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You can set default account codes and AMA flags for devices in
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channel configuration files, like sip.conf, iax.conf etc.
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Fields of the CDR in Asterisk
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-----------------------------
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1. accountcode: What account number to use, (string, 20 characters)
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2. src: Caller*ID number (string, 80 characters)
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3. dst: Destination extension (string, 80 characters)
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4. dcontext: Destination context (string, 80 characters)
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5. clid: Caller*ID with text (80 characters)
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6. channel: Channel used (80 characters)
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7. dstchannel: Destination channel if appropriate (80 characters)
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8. lastapp: Last application if appropriate (80 characters)
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9. lastdata: Last application data (arguments) (80 characters)
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10. start: Start of call (date/time)
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11. answer: Answer of call (date/time)
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12. end: End of call (date/time)
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13. duration: Total time in system, in seconds (integer), from dial to hangup
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14. billsec: Total time call is up, in seconds (integer), from answer to hangup
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15. disposition: What happened to the call: ANSWERED, NO ANSWER, BUSY
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16. amaflags: What flags to use: DOCUMENTATION, BILL, IGNORE etc,
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specified on a per channel basis like accountcode.
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17. user field: A user-defined field, maximum 255 characters
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In some cases, uniqueid is appended:
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* uniqueid: Unique Channel Identifier (32 characters)
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This needs to be enabled in the source code at compile time
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NOTE: If you use IAX2 channels for your calls, and allow 'full' transfers
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(not media-only transfers), then when the calls is transferred the server
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in the middle will no longer be involved in the signaling path, and thus
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will not generate accurate CDRs for that call. If you can, use media-only
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transfers with IAX2 to avoid this problem, or turn off transfers completely
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(although this can result in a media latency increase since the media packets
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have to traverse the middle server(s) in the call).
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____________________________________
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CDR Variables
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------------------------------------
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If the channel has a cdr, that cdr record has its own set of variables which
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can be accessed just like channel variables. The following builtin variables
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are available.
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${CDR(clid)} Caller ID
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${CDR(src)} Source
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${CDR(dst)} Destination
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${CDR(dcontext)} Destination context
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${CDR(channel)} Channel name
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${CDR(dstchannel)} Destination channel
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${CDR(lastapp)} Last app executed
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${CDR(lastdata)} Last app's arguments
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${CDR(start)} Time the call started.
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${CDR(answer)} Time the call was answered.
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${CDR(end)} Time the call ended.
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${CDR(duration)} Duration of the call.
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${CDR(billsec)} Duration of the call once it was answered.
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${CDR(disposition)} ANSWERED, NO ANSWER, BUSY
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${CDR(amaflags)} DOCUMENTATION, BILL, IGNORE etc
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${CDR(accountcode)} The channel's account code.
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${CDR(uniqueid)} The channel's unique id.
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${CDR(userfield)} The channels uses specified field.
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In addition, you can set your own extra variables by using Set(CDR(name)=value).
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These variables can be output into a text-format CDR by using the cdr_custom
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CDR driver; see the cdr_custom.conf.sample file in the configs directory for
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an example of how to do this.
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