Can I make phone calls using just my VOIP gateway to a land line phone?

Can you answer shane’s question about VoIP?:

Hello guys.. please help me on this.. I planning to buy Netcomm NB9 VoIP Gateway Router and I have DSL connection. Can i make a phone call using VOIP technology and the above hardware to a landline phone without subscribing to VOIP service provider??? The end result I want is to make free phone calls using VOIP technology. Is there any ways I can achieve that without subscribing to any VOIP provider at all because they are charging a fee for the use of their gateway.. Hope to hear from you soon thank you

Wireless Broadband VoIP

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