Source note · Codec selection and bandwidth planning
Cisco computes total packet size as Layer 2 header plus IP/UDP/RTP header plus voice payload, and packets per second as codec bit rate divided by voice payload size. Per-call bandwidth is total packet size times PPS.
Checked 2026-09-24
- Vendor
- Cisco
- Product
- Cisco IOS voice
- Subsystem
- bandwidth calculation
- Deployment
- on-premises
- Region
- not restricted
- Release range
- current as of 2026-09-24
- Checked
- 2026-09-24
Sources
- Modify Bandwidth Consumption Calculation for Voice Calls — Cisco · tier 2 current vendor documentation · Section 'Bandwidth Calculation Formulas'
Cite this note
APA
WarmTransfer. (2026, September 24). Codec selection and bandwidth planning: source note bandwidth-codec-planning-cisco-bw-formula. WarmTransfer. https://warmtransfer.net/knowledge/claims/bandwidth-codec-planning-cisco-bw-formula
BibTeX
@misc{warmtransfer-claim-bandwidth-codec-planning-cisco-bw-formula,
title = {Codec selection and bandwidth planning: source note bandwidth-codec-planning-cisco-bw-formula},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/bandwidth-codec-planning-cisco-bw-formula},
note = {Source note bandwidth-codec-planning-cisco-bw-formula, checked 2026-09-24}
}