Unable to connect with Azure SQL Database from Azure VM using Site to Site Connectivity

We have three resources on azure classic deployment model

1. Application running on virtual machine, VM is using VPN to connect on premise
2. A azure SQL Database
3. A site to site VPN with on premise(connected state)

Now we want our application to access our SQL database, and we tried it but we are not able to access the DB form our virtual machine with server namemyserver.database.windows.net, we tried with VM cmd like  telnetmyserver.database.windows.net 1443 and it returned with: could not open connection to host, on port 1433.

Please help us to access Azure SQL database form our VM. Thanks.