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What is a PSTN Gateway ?

Gateway PSTN
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What is a PSTN Gateway ?

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Many VoIP Providers now provide a gateway to the PSTN, which allows you to dial regular (PSTN) phone numbers as well as SIP addresses on your VoIP device. The call goes to your VoIP Provider by SIP; your VoIP Provider checks whether the SIP Address/number dialled is on its SIP network; otherwise it directs the call through the gateway onto PSTN and dials the phone number.

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Many VoIP Providers provide a gateway to the PSTN, which allows you to dial regular (PSTN) phone numbers as well as SIP addresses on your VoIP device. The call goes to your VoIP Provider by SIP; your VoIP Provider checks whether the SIP Address/number dialled is on its SIP network; otherwise it directs the call through the gateway onto PSTN and dials the phone number.

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