Login to cPanel and click on the Advanced DNS zone editor icon which is in the Domains section.
in the Add a Record area, in the boxes for the new record, type or copy and paste the values from the following table.
(Select the Type value from the drop-down list.)
| Name | TTL | Type | Priority | Weight | Port | Target |
| _sip._tls.domain_name. (for example, _sip._tls.freshcoffee.com.)
This value MUST end with a period (.) |
3600 | SRV | 100 | 1 | 443 | sipdir.online.lync.com. |
| _sipfederationtls._tcp.domain_name. (for example, _sipfederationtls._tcp.freshcoffee.com.)
This value MUST end with a period (.) |
3600 | SRV | 100 | 1 | 5061 | sipfed.online.lync.com. |