Forum Discussion
Lopicl
Dec 10, 2020Copper Contributor
Microsoft Teams Direct Routing Outbound Calls not working (error 504)
Hello, I am trying to configure Direct Routing on my tenant, using my carrier's hosted multi-tenant SBC. They connected to my tenant with powershell and made all the needed configurations wit...
- Dec 10, 2020
Ok me and my carrier found the issue.
The DNS record for the SBC FQDN was not properly set, thus not redirecting to the SBC IP.
Lopicl
Dec 10, 2020Copper Contributor
Ok me and my carrier found the issue.
The DNS record for the SBC FQDN was not properly set, thus not redirecting to the SBC IP.
- SergioGarayFeb 24, 2022Copper Contributorwhere it was wrong? in the domains in office365 or in the SBC side? we are having the exact same issue.
- bluecatOct 05, 2021Copper ContributorCan you expand on what was not correctly configured on the DNS record? I'm having exactly the same issue. Thanks in advance.
- LopiclOct 05, 2021Copper Contributor
bluecat In our case the DNS A record for the SBC was misspelled.
For instance instead of sbc.contoso.com it was set as sbv.contoso.com, so it was not possible to reach, as teams was looking for sbc.contoso.com.
From what I understood this error comes from a misspelled SBC hostname, or unreachable DNS name.
- bluecatOct 05, 2021Copper ContributorOK, Thanks for the reply.