Source note · Analog gateways ATA and paging devices
Communication between a cloud-registered VG400 and Webex Calling is encrypted, with SIP signaling over TLS and media over SRTP.
Checked 2026-09-24
- Vendor
- Cisco
- Product
- VG400 on Webex Calling
- Subsystem
- security
- Deployment
- multi-tenant
- Region
- not restricted
- Release range
- whitepaper dated 2022-01-31
- Checked
- 2026-09-24
Sources
- Webex Calling and Cisco VG400 Analog Telephone Adapter Technical Whitepaper — Cisco · tier 2 current vendor documentation · Webex Application Security
Cite this note
APA
WarmTransfer. (2026, September 24). Analog gateways ATA and paging devices: source note analog-gateways-ata-vg400-tls-srtp. WarmTransfer. https://warmtransfer.net/knowledge/claims/analog-gateways-ata-vg400-tls-srtp
BibTeX
@misc{warmtransfer-claim-analog-gateways-ata-vg400-tls-srtp,
title = {Analog gateways ATA and paging devices: source note analog-gateways-ata-vg400-tls-srtp},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/analog-gateways-ata-vg400-tls-srtp},
note = {Source note analog-gateways-ata-vg400-tls-srtp, checked 2026-09-24}
}