[asterisk-bugs] [JIRA] (ASTERISK-21692) Fundamental changes to CDR within single asterisk family (1.8) during externally initiated blind transfers with an h extension present

[Rusty Newton (JIRA)]

Rusty Newton created ASTERISK-21692:
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             Summary: Fundamental changes to CDR within single asterisk family (1.8) during externally initiated blind transfers with an h extension present
                 Key: ASTERISK-21692
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-21692
             Project: Asterisk
          Issue Type: Bug
      Security Level: None
          Components: CDR/General
    Affects Versions: 1.8.18.0, 1.8.20.0, 1.8.21.0
         Environment: Centos 5
            Reporter: Ishfaq Malik
            Assignee: Rusty Newton


The way that asterisk handles the CDR for blind transfers has changed between version 1.8.7.0 and 1.8.18.0. The call path is: inbound call from SIP provider -> asterisk server -> SIP peer -> transfer to another SIP Peer. The transfer is done by using the dedicated keys on the hardware and not the features.conf method.

In version 1.8.7.0 this would produce 2 entries in the CDR, 1 showing the time the inbound call started and which context it was handles by, the second showing the the context the peer belongs to and looking like an extension to extension call.

We tried upgrading to 1.8.18.0 and did some regression testing and found that the CDR now only produces a single entry with the details all pertaining to the second leg of the call (bar the duration which is for the full life of the call). It has no reference to the inbound context that initially handled the call.

This is a pretty big change to be inside a single branch and I'm guessing it wasn't intentional.

Also, all our servers are installed using Puppet so the configuration on them all is the same and we use RealTime Architecture from a single database.

Here is an example (with sanitised data):

Here is how an inbound blind transferred call is recorded in 1.8.7.0

{noformat}
*************************** 1. row ***************************
   calldate: 2013-04-04 11:42:09
       clid: 
        src: <my-mobile>
        dst: s
   dcontext: <inbound-number-context>
    channel: SIP/xxx.xxx.xxx.xxx-00002ba3
 dstchannel: SIP/501-00002ba7
    lastapp: Dial
   lastdata: SIP/501&SIP/511&SIP/531,10
   duration: 22
    billsec: 12
disposition: ANSWERED
   amaflags: 3
accountcode: 
  userfield: 
*************************** 2. row ***************************
   calldate: 2013-04-04 11:42:31
       clid: 
        src: <my-mobile>
        dst: 504
   dcontext: <peer-context>
    channel: SIP/xxx.xxx.xxx.xxx-00002ba3
 dstchannel: SIP/504-00002bbb
    lastapp: Dial
   lastdata: SIP/504,20
   duration: 7
    billsec: 5
disposition: ANSWERED
   amaflags: 3
accountcode: 
  userfield: 
2 rows in set (0.03 sec)
{noformat}






And here is how it is recorded in 1.8.18.0
{noformat}
*************************** 1. row ***************************
   calldate: 2013-04-04 11:39:24
       clid: 
        src: <my-mobile>
        dst: 503
   dcontext: <peer-context>
    channel: SIP/xxx.xxx.xxx.xxx-000000ea
 dstchannel: SIP/503-000000ed
    lastapp: Dial
   lastdata: SIP/503,20
   duration: 34
    billsec: 9
disposition: ANSWERED
   amaflags: 3
accountcode: 
  userfield: 
{noformat}


In the newer version there is only one entry which has the combined call
time in it but the dcontext corresponds with the second leg of the call
which means we can't see what number was dialled.

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