PBX integration guide

Publisher

Bandwidth

URL

https://www.bandwidth.com/support/en/articles/12822928-pbx-integration-guide

Published

2025-11-17

Updated

unknown

Accessed

2026-09-30

HTTP status

200

License

proprietary; Bandwidth support site terms; no-redistribution; short excerpts and locators only

Source notes citing this source

• Bandwidth supports both in-band DTMF and out-of-band DTMF as described in RFC 2833. in context
• Bandwidth asks customers to be able to fail over to its geo-redundant access point on a variety of SIP error codes when the primary access point is unavailable. in context
• Bandwidth's PBX integration guide states that Bandwidth does not use a username and password to authenticate trunk traffic and authenticates only by trusted IP. disputed in context
• 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. in context

Cite this source record

APA

WarmTransfer. (2025, November 17). PBX integration guide. WarmTransfer. https://warmtransfer.net/knowledge/sources/bandwidth-support-pbx-integration-guide

BibTeX

@misc{warmtransfer-bandwidth-support-pbx-integration-guide,
  title  = {PBX integration guide},
  author = {{WarmTransfer}},
  year   = {2025},
  url    = {https://warmtransfer.net/knowledge/sources/bandwidth-support-pbx-integration-guide},
  note   = {Bandwidth, accessed 2026-09-30}
}