Source note · Setting up third-party SIP phones on Webex Calling
Setting the port to 0 alongside the DNS SRV instruction implies the device is meant to learn the signalling port from the SRV record rather than from a statically entered port.
inferred · Checked 2026-09-30
- Vendor
- Cisco
- Product
- Webex Calling
- Subsystem
- outbound proxy
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- current as of 2026-09-30
- Status
- inferred
- Checked
- 2026-09-30
Sources
- Add your customer managed device — Cisco · tier 2 current vendor documentation · device provisioning notes following the field-mapping table
Cite this note
APA
WarmTransfer. (2026, September 30). Setting up third-party SIP phones on Webex Calling: source note webex-calling-third-party-phone-setup-cm-srv-inference. WarmTransfer. https://warmtransfer.net/knowledge/claims/webex-calling-third-party-phone-setup-cm-srv-inference
BibTeX
@misc{warmtransfer-claim-webex-calling-third-party-phone-setup-cm-srv-inference,
title = {Setting up third-party SIP phones on Webex Calling: source note webex-calling-third-party-phone-setup-cm-srv-inference},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/webex-calling-third-party-phone-setup-cm-srv-inference},
note = {Source note webex-calling-third-party-phone-setup-cm-srv-inference, checked 2026-09-30}
}