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### Description rightnow, we can check using dlg.dlg_list command whether call is alive or not but this command will return all data about dialog. There should be a xmlrpc command that will just return whether call is alive or not.

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### Expected behavior

#### Actual observed behavior

#### Debugging Data

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#### SIP Traffic

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### Possible Solutions

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### Additional Information

* **Kamailio Version** - output of `kamailio -v`

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* **Operating System**:

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``` root@ip-172-31-4-160:~# uname -a Linux ip-172-31-4-160 3.13.0-143-generic #192-Ubuntu SMP Tue Feb 27 10:45:36 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux ```