Hello list, A client ask me to update his dns for office 365 No problem but he also want to add a srv record How do i need to set this up ? Type: SRV Service: _sip Portocol: _tls Port: 443 Weight: 1 Priority: 100 TTL 1 Hour Domainnaam: example.com Target:sipdir.online.lync.com Hope someone can help. Steffan