Microsoft
MS-721 · Question #63
You have a Microsoft Teams Phone deployment. You are deploying Direct Routing by using a certified Session Border ControNer CSBC). The FQDN of the SBC is sbc1.contoso.com. You use signaling port 5067.
The correct answer is A. The firewall blocks traffic on port 5067. One important point to note over here is that the SIP signaling port that is present by default is port 5067. The Direct Routing SIP Trunk can be configured only by using a TLS connection. https://ezcloudinfo.com/2021/01/19/part-2-configure-audiocodes-sbc-for-microsoft-teams-dire
Maintain and troubleshoot collaboration communications systems
Question
You have a Microsoft Teams Phone deployment. You are deploying Direct Routing by using a certified Session Border ControNer CSBC). The FQDN of the SBC is sbc1.contoso.com. You use signaling port 5067. You cannot place calls and receive an error message in the Microsoft Teams admin center as shown in the following exhibit. What is a possible cause of the issue?
Exhibit
Options
- AThe firewall blocks traffic on port 5067
- BLocation-Based Routing is enabled for the SBC.
- CCalling plan licenses are not assigned to users.
- DThe SIP options are disabled.
How the community answered
(18 responses)- A78% (14)
- B6% (1)
- C11% (2)
- D6% (1)
Explanation
One important point to note over here is that the SIP signaling port that is present by default is port 5067. The Direct Routing SIP Trunk can be configured only by using a TLS connection. https://ezcloudinfo.com/2021/01/19/part-2-configure-audiocodes-sbc-for-microsoft-teams-direct-
Topics
#Direct Routing#SBC#Firewall#Troubleshooting
Community Discussion
No community discussion yet for this question.