Ok, sorry about that. Yes, I know that the tunnel is established and they have even stated that they see our VPN tunnel up and running from their side; and we can see that they've established connections with us. Below is netstat output
Active Connections
Proto Local Address Foreign Address State
TCP 10.5.0.222:3299 sapsmd:59355 ESTABLISHED
TCP 10.5.0.222:3299 sapsmd:59357 ESTABLISHED
TCP 10.5.0.222:3389 sap-becton:1350 ESTABLISHED
TCP 216.253.195.169:2930 194.117.106.129:sapdp99 ESTABLISHED
TCP 216.253.195.169:2932 194.117.106.129:sapdp99 ESTABLISHED