A custom Webex Calling user voicemail greeting upload must be a .wav file, 8 kHz, 8-bit mono, CCITT u-law, at most 2 MB.

Checked 2026-09-25

The audio (WAV) file must be 8Khz, 8-bit mono, CCITT µ-law, 2MB max, .wav file format.
Vendor
Cisco
Product
Webex Calling
Subsystem
voicemail greetings
Deployment
multi-tenant
Region
not restricted
Release range
current as of 2026-09-25
Checked
2026-09-25

Sources

Cite this note

APA

WarmTransfer. (2026, September 25). Moving from Unity Connection to Webex Calling voicemail: source note unity-connection-to-webex-voicemail-greeting-wav-format. WarmTransfer. https://warmtransfer.net/knowledge/claims/unity-connection-to-webex-voicemail-greeting-wav-format

BibTeX

@misc{warmtransfer-claim-unity-connection-to-webex-voicemail-greeting-wav-format,
  title  = {Moving from Unity Connection to Webex Calling voicemail: source note unity-connection-to-webex-voicemail-greeting-wav-format},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/unity-connection-to-webex-voicemail-greeting-wav-format},
  note   = {Source note unity-connection-to-webex-voicemail-greeting-wav-format, checked 2026-09-25}
}

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