====== Manage Caller ID ======
<note important>Your trunk should allow you to send your Caller ID</note>

The priority of caller id number in system is
  - Caller ID in Trunk (when it's forced)
  - Agent Caller ID(when agent login)
  - Campaign Caller ID(when agent login)
  - Device Caller ID
  - Trunk Caller ID
===== Phone System =====
  * Always use a specific caller id for the trunk

System will always use the caller id for a specific trunk, all outgoing calls via the trunk will use this caller id

{{:en:use_case:trunk_cid.png?768|}}

{{:en:use_case:trunk_cid_1.png?768|}}

===== Phone System =====

  * some device need its own caller id

{{:en:use_case:device_cid.png?768|}}
===== Call Center =====
  * each agent want his own caller id

{{:en:use_case:agent_cid.png?768|}}

<note tip>when login to agent from a device, the outgoing calls from the device will use the caller id of the agent, otherwise it still uses device caller id</note>
===== Outsourcing Call Center =====
  * each campaign will has its own caller id

{{:en:use_case:campaign_cid.png?768|}}