300-810 · Question #121
An administrator is configuring Cisco Jabber 12.8 to work with Cisco UCM and Cisco IM and Presence 12.5 using an encrypted SIP profile. Which record should be configured for Jabber to work when…
The correct answer is C. DNS SRV query _cisco-uds._tcp.domain.com. When Cisco Jabber is on the corporate network (internal), it uses the User Data Service (UDS) for service discovery. The DNS SRV record _cisco-uds._tcp.domain.com tells Jabber where to find the Cisco UCM UDS endpoint, enabling automatic provisioning of server addresses, UC…
Question
An administrator is configuring Cisco Jabber 12.8 to work with Cisco UCM and Cisco IM and Presence 12.5 using an encrypted SIP profile. Which record should be configured for Jabber to work when logging into the corporate network with the domain "domain.com?
Options
- ADNS SRV query _sip._tcp.domain.com
- BDNS SRV query _cisco-uds._tls.domain.com
- CDNS SRV query _cisco-uds._tcp.domain.com
- DDNS SRV query _sip._tls.domain.com
How the community answered
(34 responses)- A9% (3)
- B6% (2)
- C71% (24)
- D15% (5)
Explanation
When Cisco Jabber is on the corporate network (internal), it uses the User Data Service (UDS) for service discovery. The DNS SRV record _cisco-uds._tcp.domain.com tells Jabber where to find the Cisco UCM UDS endpoint, enabling automatic provisioning of server addresses, UC services, and IM&P settings. The _tcp transport is used because UDS operates over HTTP/HTTPS (TCP), not TLS at the SRV level. Option B (_cisco-uds._tls) is not the correct record name for UDS discovery. Options A and D (_sip._tcp / _sip._tls) are used for SIP endpoint registration, not Jabber service discovery.
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