Custom Webex Calling auto attendant greetings must be WAV files at 8 or 16 kHz, 8 or 16 bit mono, u-law, A-law or PCM, with a maximum size of 2 MB (about 4 minutes).

Checked 2026-09-24

Vendor
Cisco
Product
Webex Calling
Subsystem
auto attendant
Deployment
multi-tenant
Region
not restricted
Release range
current as of 2026-09-24
Checked
2026-09-24

Sources

Cite this note

APA

WarmTransfer. (2026, September 24). Cisco Unity Connection voicemail and migration: source note cucm-unity-connection-wxc-aa-greeting-format. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-unity-connection-wxc-aa-greeting-format

BibTeX

@misc{warmtransfer-claim-cucm-unity-connection-wxc-aa-greeting-format,
  title  = {Cisco Unity Connection voicemail and migration: source note cucm-unity-connection-wxc-aa-greeting-format},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/cucm-unity-connection-wxc-aa-greeting-format},
  note   = {Source note cucm-unity-connection-wxc-aa-greeting-format, checked 2026-09-24}
}

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