Learn how to set up Cisco Jabber for Mobile and Remote Access when the customer’s internal domain differs from their external domain. Discover the key parameter to define the external service discovery domain.
Table of Contents
Question
An engineer is configuring a customer’s environment for Jabber use over Mobile and Remote Access. The customer’s internal domain is different from the external domain. Which Jabber parameter defines the external service discovery domain statistically?
A. UPN discovery enabled
B. services domain
C. exclude services
D. voice services domain
Answer
B. services domain
Explanation
The “services domain” parameter in Jabber configuration defines the external service discovery domain when it differs from the internal domain. This allows Jabber clients to locate and connect to collaboration services like IM&P, voice, and video while outside the corporate network.
When deploying Jabber for Mobile and Remote Access, the services domain must be set to the external DNS domain to enable successful service discovery. Jabber clients query this domain to find the _collab-edge SRV record, which points to the Expressway-E server handling remote access.
The other options are incorrect:
A. “UPN discovery enabled” is used for user ID mapping with Active Directory, not external service discovery.
C. “exclude services” defines which Jabber services to disable, unrelated to domain configuration.
D. “voice services domain” configures the domain for Jabber’s voice services specifically, while “services domain” covers all collaboration services.
So in this scenario, defining the external domain in the “services domain” parameter is crucial for Jabber to connect via Mobile and Remote Access when internal and external domains are different.
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