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SIP gateways are the bridge between VoIP networks and the PSTN, and are necessary in order to complete calls to regular telephones. grnVoIP allows enterprises to operate VoIP phones and IP-PBX servers without the need to install a SIP gateway, because we will connect your calls to the PSTN at the best possible rates. This dramatically lessens the burdens placed on your IT department and removes the need for you to subscribe to expensive PSTN trunk lines. |
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