@OrkhanRustamli, try the following:
Once a remote access VPN client has opened a connection, the hosts behind the VPN Security Gateway can open a return or back connection to the remote access VPN client. For a back connection to succeed, the remote access client's details must be maintained on all the devices between the remote access VPN client and the VPN Security Gateway, and on the VPN Security Gateway itself.
1. In SmartConsole, click Menu > Global properties.
2. In the Additional Properties section, select Enable Back Connections (fromgateway to client).
3. Click OK.
4. Install the Access Control Policy on the VPN Security Gateway.
See Remote Access VPN Admin guide, NAT and Back Connections from Gateway to Client