Exam 300-810 topic 1 question 121 discussion

Jabber Users must add the s4b user to the contact list before being able to see Presence. The static route implies they would not be able to search for the user. This is saying that they don't see the presence when they search.

C. Add a static route on Cisco IM and Presence to the Skype for Business domain. Adding a static route is often necessary when federating with an external system like Microsoft Skype for Business. This ensures that the presence and IM traffic is correctly routed between the Cisco and Microsoft domains.

https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/im_presence/interdomain_federation/12_5_1/cup0_b_interdomain-federation-1251/cup0_b_interdomain-federation-1251_chapter_01000.html#task_F8350A0B88B1C4E2E167192C5EB79FB5 Configure Static Route on IM and Presence On the IM and Presence Service, configure a static route for Skype for Business users. The static route must use TLS and point to Expressway-C. Procedure Step 1 From Cisco Unified CM IM and Presence Administration, choose Presence > Routing > Static Routes. Step 2 Click Add New. Step 3 In the Destination Pattern field, enter the Skype for Business FQDN in a reversed format. For example, if the domain is s4b.com, enter .com.s4b.*. Step 4 In the Next Hop field, enter the Expressway-C IP address or FQDN. Step 5 In the Next Hop Port field enter 5061. Step 6 From the Route Type drop-down list, choose Domain. Step 7 From the Protocol Type drop-down list box, select TLS. Step 8 Click Save.