The Webex Calling port reference revision history records that on 7 September 2026 the phone's source port range was expanded from 5060 to 5080 into 5060 to 5280 to accommodate an updated Cisco feature enabling support for up to 130 lines.

Checked 2026-09-16

Vendor
Cisco
Product
Webex Calling
Subsystem
signalling
Deployment
not restricted
Region
not restricted
Release range
not restricted
Checked
2026-09-16

Sources

Cite this note

APA

WarmTransfer. (2026, September 16). Webex Calling ICE media path optimization: source note wxice-source-port-range-widened-for-130-lines. WarmTransfer. https://warmtransfer.net/knowledge/claims/wxice-source-port-range-widened-for-130-lines

BibTeX

@misc{warmtransfer-claim-wxice-source-port-range-widened-for-130-lines,
  title  = {Webex Calling ICE media path optimization: source note wxice-source-port-range-widened-for-130-lines},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/wxice-source-port-range-widened-for-130-lines},
  note   = {Source note wxice-source-port-range-widened-for-130-lines, checked 2026-09-16}
}

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