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Channel States
Introduction
A channel (a call) will go through many different states during its lifetime. Here we will describe the different states that a channel might find itself in, and what each of those states mean.
States
| State | Description |
|---|---|
| CS_NEW | Channel is newly created. |
| CS_INIT | Channel has been initialized. |
| CS_ROUTING | Channel is looking for an extension to execute. |
| CS_SOFT_EXECUTE | Channel is ready to execute from 3rd party control. |
| CS_EXECUTE | Channel is executing its dialplan. |
| CS_EXCHANGE_MEDIA | Channel is exchanging media with another channel. |
| CS_PARK | Channel is accepting media awaiting commands. |
| CS_CONSUME_MEDIA | Channel is consuming all media and dropping it. |
| CS_HIBERNATE | Channel is in a sleep state. |
| CS_RESET | Channel is in a reset state. |
| CS_HANGUP | Channel is flagged for hangup and ready to end. Media will now end, and no further call routing will occur. |
| CS_REPORTING | The channel is already hung up, media is already down, and now it‘s time to do any sort of reporting processes such as CDR logging. |
| CS_DESTROY | Channel is ready to be destroyed and out of the state machine. Memory pools are returned to the core and utilized memory from the channel is freed. |
State Handlers
Custom state handlers can be added to the channels either globally or on a per-channel basis. This will allow you to do your own custom reporting or clean up your own dynamically created objects, for example. Custom handlers can also be then removed from a channel.
Channel States
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