> For the complete documentation index, see [llms.txt](https://help.stringeex.com/stringeex-tong-dai-cham-soc-and-quan-ly-khach-hang/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.stringeex.com/stringeex-tong-dai-cham-soc-and-quan-ly-khach-hang/en/ii.-system-features/9.-settings/9.1-service-management-customer-service/9.1.4-configure-receiving-channels/channels.md).

# Channels

- [Queue](https://help.stringeex.com/stringeex-tong-dai-cham-soc-and-quan-ly-khach-hang/en/ii.-system-features/9.-settings/9.1-service-management-customer-service/9.1.4-configure-receiving-channels/channels/queue.md): The queue is where customer calls are received. Here, the calls will be distributed according to predefined rules (wait time, overflow time, priority group/staff).
- [IVR Tree](https://help.stringeex.com/stringeex-tong-dai-cham-soc-and-quan-ly-khach-hang/en/ii.-system-features/9.-settings/9.1-service-management-customer-service/9.1.4-configure-receiving-channels/channels/ivr-tree.md): The IVR tree can only be installed with an authorized account on the system as Admin.
- [Hotline numbers](https://help.stringeex.com/stringeex-tong-dai-cham-soc-and-quan-ly-khach-hang/en/ii.-system-features/9.-settings/9.1-service-management-customer-service/9.1.4-configure-receiving-channels/channels/hotline-numbers.md)
- [Routing](https://help.stringeex.com/stringeex-tong-dai-cham-soc-and-quan-ly-khach-hang/en/ii.-system-features/9.-settings/9.1-service-management-customer-service/9.1.4-configure-receiving-channels/channels/routing.md)
- [Greeting message file](https://help.stringeex.com/stringeex-tong-dai-cham-soc-and-quan-ly-khach-hang/en/ii.-system-features/9.-settings/9.1-service-management-customer-service/9.1.4-configure-receiving-channels/channels/greeting-message-file.md)
- [Blacklist numbers](https://help.stringeex.com/stringeex-tong-dai-cham-soc-and-quan-ly-khach-hang/en/ii.-system-features/9.-settings/9.1-service-management-customer-service/9.1.4-configure-receiving-channels/channels/blacklist-numbers.md)
- [Call settings](https://help.stringeex.com/stringeex-tong-dai-cham-soc-and-quan-ly-khach-hang/en/ii.-system-features/9.-settings/9.1-service-management-customer-service/9.1.4-configure-receiving-channels/channels/call-settings.md)
- [SIP account](https://help.stringeex.com/stringeex-tong-dai-cham-soc-and-quan-ly-khach-hang/en/ii.-system-features/9.-settings/9.1-service-management-customer-service/9.1.4-configure-receiving-channels/channels/sip-account.md)


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