Draytek VigorIPPBX 3510 User Manual page 51

5. Set Dial-Out Settings as shown below to dial to connect to Router B aggressively with
the selected Dial-Out method.
If an IPSec-based service is selected, you should further specify the remote peer IP
Address, IKE Authentication Method and IPSec Security Method for this Dial-Out
connection.
If a PPP-based service is selected, you should further specify the remote peer IP
Address, Username, Password, PPP Authentication and VJ Compression for this
Dial-Out connection.
6. Set Dial-In settings to as shown below to allow Router B dial-in to build VPN
connection.
VigorIPPBX 3510 Series User's Guide
43