Claim record · Webex Contact Center voice channel and PSTN options
Calls arriving at Webex Contact Center must use codec G.711uLaw or G.711aLaw with DTMF via RFC2833; any other codec (G.729, iLBC, Opus, etc.) must be transcoded externally before reaching Webex Contact Center, since Webex Contact Center provides no transcoding or media termination point service.
fact · verified 2026-09-04
Codec: G.711uLaw or G.711aLaw
- Vendor
- Cisco
- Product
- Webex Contact Center
- Subsystem
- Voice channel and PSTN
- Deployment
- cloud
- Region
- not restricted
- Release range
- current as of 2026-09-04
- Status
- fact
- Confidence
- 0.90
- Verified
- 2026-09-04
Sources
- Set up voice channels for Webex Contact Center — Cisco Systems, Inc. (Webex Help Center) · tier 2 current vendor documentation · PSTN Media and Signaling Requirements for Webex Contact Center subsection
Cite this claim
APA
WarmTransfer. (2026, September 4). Webex Contact Center voice channel and PSTN options: claim wxcc-vc-g711-only-no-transcoding. WarmTransfer. https://warmtransfer.net/knowledge/claims/wxcc-vc-g711-only-no-transcoding
BibTeX
@misc{warmtransfer-claim-wxcc-vc-g711-only-no-transcoding,
title = {Webex Contact Center voice channel and PSTN options: claim wxcc-vc-g711-only-no-transcoding},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/wxcc-vc-g711-only-no-transcoding},
note = {Claim wxcc-vc-g711-only-no-transcoding, verified 2026-09-04}
}