Local Gateway deployments for Webex Contact Center requiring more than 250 concurrent calls (IVR plus agent calls combined) must use a Certificate Based trunk type, which encrypts SIP and RTP toward the Webex Global Media network; a Registration Based trunk is used for up to 250 concurrent calls.

fact · verified 2026-09-04

For Webex Contact Center deployments requiring greater than 250 concurrent calls (IVR + Agent concurrent calls), you must select Certificate Based trunk type.
Vendor
Cisco
Product
Webex Contact Center
Subsystem
Voice channel and PSTN
Deployment
on-premises
Region
not restricted
Release range
current as of 2026-09-04
Status
fact
Confidence
0.90
Verified
2026-09-04

Sources

Cite this claim

APA

WarmTransfer. (2026, September 4). Webex Contact Center voice channel and PSTN options: claim wxcc-vc-local-gateway-250-call-trunk-threshold. WarmTransfer. https://warmtransfer.net/knowledge/claims/wxcc-vc-local-gateway-250-call-trunk-threshold

BibTeX

@misc{warmtransfer-claim-wxcc-vc-local-gateway-250-call-trunk-threshold,
  title  = {Webex Contact Center voice channel and PSTN options: claim wxcc-vc-local-gateway-250-call-trunk-threshold},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/wxcc-vc-local-gateway-250-call-trunk-threshold},
  note   = {Claim wxcc-vc-local-gateway-250-call-trunk-threshold, verified 2026-09-04}
}

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