Click on “Nameserver” on the left side of the customer area and afterwards on the modify button of the respective domain. If SRV entries already exists, you can modify these there.
To add a new SRV entry, please follow the subsequent steps:
Explanation on an example for:
_sip._tcp.example.com. 86400 IN SRV 055060sipserver.example.com.
(The colours illustrate the defined area.)
Click on “Add DNS entry”
Enter “_sip._tcp” into the field Name.
Choose SRV for type.
Enter "0" into the field Prio,"5" into Weight , "5060" into Port, "sipserver.example.com" into Server and "86400" into TTL.
Save to complete the changes.