> For the complete documentation index, see [llms.txt](https://doc.engenius.ai/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://doc.engenius.ai/home-cloud-white-papers/lldp-med.md).

# LLDP-MED

## Voice VLAN

Current ECS switches already support LLDP-MED to configure voice vlan of IP phones automatically. In "switch settings" page (also available in network-wide setting):

![](/files/-MHzDSDj3xw08Xt-qDWi)

set voice vlan mode to "auto" will make the switch continuously send voice vlan and its priority TLVs via LLDP-MED. The IP phone would adopt that VLAN and priority if it supports the same standard.


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