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| module        | action            | argument(s)         |   description                          |
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|  sip          |                   |                     | commands for the SIP channel           |
|               |                   |                     |                                        |
|               | set               |                     | set values for the channel             |
|               |                   | debug <on | off>    | enable debugging for all channels      |
|               |                   | debug peer <peer>   | enable debugging for a registered peer |
|               |                   | debug ip <ip_addr>  | enable debugging for an IP address     |
:               :                   :                     :                                        :