Source note · Setting up Webex Calling emergency calling with RedSky
A computer connected through a phone's pass-through port cannot read the switch's LLDP information because LLDP frames stop at the phone.
Checked 2026-09-24
if devices are connected through a phone pass-through port, LLDP information cannot be accessed
- Vendor
- Cisco
- Product
- Webex App
- Subsystem
- network discovery
- Deployment
- multi-tenant
- Region
- us; canada
- Release range
- current as of 2026-09-24
- Checked
- 2026-09-24
Sources
- Enhanced emergency calling for Webex Calling — Cisco Systems (Webex Help Center) · tier 2 current vendor documentation · Location detection - HELD+ for Webex App
Cite this note
APA
WarmTransfer. (2026, September 24). Setting up Webex Calling emergency calling with RedSky: source note webex-calling-redsky-e911-setup-passthrough-lldp. WarmTransfer. https://warmtransfer.net/knowledge/claims/webex-calling-redsky-e911-setup-passthrough-lldp
BibTeX
@misc{warmtransfer-claim-webex-calling-redsky-e911-setup-passthrough-lldp,
title = {Setting up Webex Calling emergency calling with RedSky: source note webex-calling-redsky-e911-setup-passthrough-lldp},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/webex-calling-redsky-e911-setup-passthrough-lldp},
note = {Source note webex-calling-redsky-e911-setup-passthrough-lldp, checked 2026-09-24}
}