Yealink technical note
VLAN Feature on Yealink IP Phones
A Yealink technical note for the Yealink SIP-T31, SIP-T31G and SIP-T31P (38 pages).
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About this technical note
About the VLAN Feature on Yealink IP Phones
A Yealink technical note for the Yealink SIP-T31, SIP-T31G and SIP-T31P (38 pages). This copy, last updated by Yealink on April 3, 2026, and you can read it right here or download it.
What’s inside
- About VLAN
- Yealink IP Phones Compatible with VLAN Method
- VLAN Discovery Method on Yealink IP Phones
- Automatic Discovery Method for VLAN
- LLDP
- CDP
- DHCP VLAN
- Manual Configuration for VLAN
- Configuring VLAN Feature in the Wired Network
- Configuring VLAN Feature in the Wireless Network
- Verifying the Configuration
- Appendix
- Appendix A: Glossary
- Appendix B: System Names
- Appendix C: Model Names
- Appendix D: Power Values
- Appendix E: Normative References
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