Source note · Setting up a Bandwidth SIP trunk
Bandwidth requires all SIP and audio on the trunk to be delivered over UDP in packets no larger than 1350 bytes; TCP is not supported.
Checked 2026-09-30
Bandwidth requires that all SIP and audio be delivered via UDP, in packets no larger than 1350 bytes. TCP is not supported.
- Vendor
- Bandwidth
- Product
- UC Trunking
- Subsystem
- transport
- Deployment
- cloud
- Region
- not restricted
- Release range
- current as of 2026-09-30
- Checked
- 2026-09-30
Sources
- PBX integration guide — Bandwidth · tier 2 current vendor documentation · Transport protocol statement
Cite this note
APA
WarmTransfer. (2026, September 30). Setting up a Bandwidth SIP trunk: source note bandwidth-sip-trunk-setup-udp-only-1350. WarmTransfer. https://warmtransfer.net/knowledge/claims/bandwidth-sip-trunk-setup-udp-only-1350
BibTeX
@misc{warmtransfer-claim-bandwidth-sip-trunk-setup-udp-only-1350,
title = {Setting up a Bandwidth SIP trunk: source note bandwidth-sip-trunk-setup-udp-only-1350},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/bandwidth-sip-trunk-setup-udp-only-1350},
note = {Source note bandwidth-sip-trunk-setup-udp-only-1350, checked 2026-09-30}
}