Cisco Live 2024 gave the certificate-based Local Gateway trunk capacity as up to 6,500 concurrent calls and the registration-based trunk as up to 250, with TLS for SIP and SRTP for media on both.
Checked 2026-09-22
- Vendor
- Cisco
- Product
- Webex Calling
- Subsystem
- sip-signalling
- Deployment
- multi-tenant, hybrid
- Region
- not restricted
- Release range
- as presented in 2024
- Checked
- 2026-09-22
Sources
- BRKCCT-2723 (Cisco Live session deck; exact session title not extractable from the file) — Cisco Systems, Inc. · tier 4 archived vendor documentation · session BRKCCT-2723, Local Gateway trunk authentication slides
Cite this note
APA
WarmTransfer. (2026, September 22). Telephony during a UCCX to Webex Contact Center migration: source note uccx-to-webex-cc-telephony-coexistence-cert-trunk-6500. WarmTransfer. https://warmtransfer.net/knowledge/claims/uccx-to-webex-cc-telephony-coexistence-cert-trunk-6500
BibTeX
@misc{warmtransfer-claim-uccx-to-webex-cc-telephony-coexistence-cert-trunk-6500,
title = {Telephony during a UCCX to Webex Contact Center migration: source note uccx-to-webex-cc-telephony-coexistence-cert-trunk-6500},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/uccx-to-webex-cc-telephony-coexistence-cert-trunk-6500},
note = {Source note uccx-to-webex-cc-telephony-coexistence-cert-trunk-6500, checked 2026-09-22}
}