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connect up to four standard analog telephone lines to a voice over ip (voip) network, with calls automatically routed to and from your existing telephone service. cisco small business spa400 internet telephony gateway was designed to be deployed with
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connect up to four standard analog telephone lines to a voice over ip (voip) network, with calls automatically routed to and from your existing telephone service. cisco small business spa400 internet telephony gateway was designed to be deployed with - back to top

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