Source note · Troubleshooting Cisco IP phone registration
The 8800 Series phone uses CDP to exchange the auxiliary VLAN ID, power details and QoS information with a Cisco Catalyst switch, and supports LLDP-MED for voice VLAN configuration, device discovery, power and inventory management.
Checked 2026-09-24
- Vendor
- Cisco
- Product
- IP Phone 8800 Series
- Subsystem
- network protocols
- Deployment
- on-premises
- Region
- not restricted
- Release range
- current as of 2026-09-24
- Checked
- 2026-09-24
Sources
- Cisco IP Phone 8800 Series Administration Guide for Cisco Unified Communications Manager - Technical Details — Cisco Systems · tier 2 current vendor documentation · Technical Details > Network Protocols table, CDP and LLDP-MED rows
Cite this note
APA
WarmTransfer. (2026, September 24). Troubleshooting Cisco IP phone registration: source note cisco-phone-registration-troubleshooting-cdp-lldp. WarmTransfer. https://warmtransfer.net/knowledge/claims/cisco-phone-registration-troubleshooting-cdp-lldp
BibTeX
@misc{warmtransfer-claim-cisco-phone-registration-troubleshooting-cdp-lldp,
title = {Troubleshooting Cisco IP phone registration: source note cisco-phone-registration-troubleshooting-cdp-lldp},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cisco-phone-registration-troubleshooting-cdp-lldp},
note = {Source note cisco-phone-registration-troubleshooting-cdp-lldp, checked 2026-09-24}
}