Billion Electric Company Dual-WAN 3G/ADSL2+ router series' BiPAC 5210SRC - Manual (Page 9)

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Interested? Want to learn how a Billion ADSL VoIP router works, and enables you to make a call? We keep it simple using the diagrams below to guide you
through.
Gateway - The Least Cost Routing feature allows to use the most economical rates
offered provided by different Internet Telephony Service Providers (ITSPs). Three types of VPN solutions (PPTP, IPSec and L2TP within IPSec) allow office users to
build secure VPN tunnels for voice and data communication between a company’s head
office and its branch(es).
VoIP calls to/from VoIP VoIP calls to/from PSTN
Gateway - Least Cost Routing
PSTN Fixed-line Support
Secure Voice over VPN Tunnel
Advanced VoIP Router Application
VoIP Call Applications
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