Source note · Trunks route groups and dial plans in Control Hub
The Dual Identity Support setting on a trunk decides whether Webex Calling may populate different values in the From and P-Asserted-Identity headers of an initial outbound INVITE; with it disabled, P-Asserted-Identity is set identical to From.
Checked 2026-09-15
With Dual Identity enabled, Webex Calling populates From and PAI (and both identity headers can be different). With Dual Identity disabled, PAI and From are identical and are set to what the From header was set to with Dual Identiity enabled.
- Vendor
- Cisco
- Product
- Webex Calling
- Subsystem
- Trunks
- Deployment
- not restricted
- Region
- not restricted
- Release range
- not restricted
- Checked
- 2026-09-15
Sources
- Configure trunks, route groups, and dial plans for Webex Calling — Cisco Systems, Inc. (Webex Help Center) · tier 2 current vendor documentation · Add a registration-based trunk to a location, step 5
Cite this note
APA
WarmTransfer. (2026, September 15). Trunks route groups and dial plans in Control Hub: source note wxtrk-dual-identity-controls-from-and-pai. WarmTransfer. https://warmtransfer.net/knowledge/claims/wxtrk-dual-identity-controls-from-and-pai
BibTeX
@misc{warmtransfer-claim-wxtrk-dual-identity-controls-from-and-pai,
title = {Trunks route groups and dial plans in Control Hub: source note wxtrk-dual-identity-controls-from-and-pai},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/wxtrk-dual-identity-controls-from-and-pai},
note = {Source note wxtrk-dual-identity-controls-from-and-pai, checked 2026-09-15}
}