To connect an iPhone or iPad to Office 365, follow these steps.
1. Update your DNS records in Office 365. You must create the following records in order to have iPhones and iPads connect to Office 365. Note if you have been on Office 365 for some time these records might be different than the records you originally created.
SRV Record
| Type | Service | Protocol | Port | Weight | Priority | TTL | Name | Target |
|---|---|---|---|---|---|---|---|---|
| SRV | _sipfederationtls | _tcp | 5061 | 1 | 100 | 1 Hour | domain.com | sipfed.online.lync.com |
CNAME Records
| Type | Host name | Points to Address | TTL |
|---|---|---|---|
| CNAME | sip.domain.com | sipdir.online.lync.com | 1 Hour |
| CNAME | lyncdiscover.domain.com | webdir.online.lync.com | 1 Hour |
Once these records are created, you should be able to sign into Lync on your iPhone or iPad using your username and password.





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