Internet VPN or MPLS for branch office IP phone communication?

Many businesses with branch offices that have IP-enabled phones must decide what type of circuit medium to use for their communication to the corporate headquarters site.

Two of the most selected choices are a MPLS circuit or internet VPN. Both solutions have their pros and cons, and what is best can depend on your business requirements. Speed, quality of service (QoS), security and cost are the key factors you should consider when making this decision.

Pros and cons of an internet VPN

A significant advantage of using an internet VPN for communication is the cost. Most times, a branch site can use its existing internet connection for communication back to its headquarters. Usually, a 10 Mbps internet circuit costs much less than a 10 Mbps MPLS circuit. This can encourage a business to purchase more bandwidth for their branch site.

More providers offer internet connections than MPLS service across the United States. Cable modem providers and wireless internet providers can also be used for internet connectivity for branch offices; this enables it to be more widely available across various locations. Also, IPsec and SSL VPNs are very secure if configured properly and if the devices establishing the VPN are up to date with their patches.

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