Source note · Cisco IP phone registration and TFTP and ITL and CTL
During startup, a Cisco IP Phone 8800 connected to a Cisco Catalyst switch is told the voice VLAN defined on the switch before it requests an IP address.
Checked 2026-09-24
If the Cisco IP Phone is connected to a Cisco Catalyst switch, the switch next informs the phone of the voice VLAN that is defined on the switch.
- Vendor
- Cisco
- Product
- Cisco IP Phone 8800 Series
- Subsystem
- Startup
- 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 · Phone Startup Process, step Configure VLAN
Cite this note
APA
WarmTransfer. (2026, September 24). Cisco IP phone registration and TFTP and ITL and CTL: source note cisco-phone-registration-voice-vlan-catalyst. WarmTransfer. https://warmtransfer.net/knowledge/claims/cisco-phone-registration-voice-vlan-catalyst
BibTeX
@misc{warmtransfer-claim-cisco-phone-registration-voice-vlan-catalyst,
title = {Cisco IP phone registration and TFTP and ITL and CTL: source note cisco-phone-registration-voice-vlan-catalyst},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/cisco-phone-registration-voice-vlan-catalyst},
note = {Source note cisco-phone-registration-voice-vlan-catalyst, checked 2026-09-24}
}