For Webex Edge Audio, Cisco recommends raising the script's Lua Instruction Threshold to 3000 and its Memory Threshold to 200 KB, because each configured number increases the script's instruction count and memory use.

Checked 2026-09-25

Each configured number impacts the number of instructions and the memory usage of the SIP normalization (Lua) script on Unified CM.
Vendor
Cisco
Product
Unified Communications Manager with Webex Edge Audio
Subsystem
resource limits
Deployment
on-premises, hybrid
Region
not restricted
Release range
current as of 2026-09-25
Checked
2026-09-25

Sources

Cite this note

APA

WarmTransfer. (2026, September 25). Unified CM SIP normalization and transparency scripts: source note cucm-sip-normalization-edge-audio-thresholds. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-sip-normalization-edge-audio-thresholds

BibTeX

@misc{warmtransfer-claim-cucm-sip-normalization-edge-audio-thresholds,
  title  = {Unified CM SIP normalization and transparency scripts: source note cucm-sip-normalization-edge-audio-thresholds},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/cucm-sip-normalization-edge-audio-thresholds},
  note   = {Source note cucm-sip-normalization-edge-audio-thresholds, checked 2026-09-25}
}

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