Cisco advises against using a 192.168.x.x address as the internal DNS server for Webex on Android because the app may wrongly treat the network as MRA (external) Wi-Fi.

Checked 2026-09-30

avoid using 192.168.x.x as your internal (enterprise) DNS server for Webex on Android
Vendor
Cisco
Product
Webex App
Subsystem
service discovery
Deployment
on-premises, hybrid
Region
not restricted
Release range
current as of 2026-09-30
Checked
2026-09-30

Sources

Cite this note

APA

WarmTransfer. (2026, September 30). Setting up the Webex App for Unified CM calling: source note cucm-webex-app-calling-setup-android-dns. WarmTransfer. https://warmtransfer.net/knowledge/claims/cucm-webex-app-calling-setup-android-dns

BibTeX

@misc{warmtransfer-claim-cucm-webex-app-calling-setup-android-dns,
  title  = {Setting up the Webex App for Unified CM calling: source note cucm-webex-app-calling-setup-android-dns},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/cucm-webex-app-calling-setup-android-dns},
  note   = {Source note cucm-webex-app-calling-setup-android-dns, checked 2026-09-30}
}

Read in context