PSTN to VoIP Solutions

Patton 4140

Transition from PSTN to VoIP with an innovative VoIP gateway solution.

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  1. Grandstream GXW 4108 FXO Gateway

    Grandstream GXW 4108 FXO Gateway

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    The Grandstream GXW- Series Analog 8 FXO IP Gateways are designed and tested for full interoperability with leading IP-PBXs, Softswitches and most SIP-based environments. Learn More
  2. Grandstream GXW4104 FXO Gateway

    Grandstream GXW4104 FXO Gateway

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    The Grandstream GXW- Series Analog 4 FXO IP Gateways are designed and tested for full interoperability with leading IP-PBXs, Softswitches and most SIP-based environments.

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  3. Grandstream GXW4216 FXS gateway

    Grandstream GXW4216 FXS gateway

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    The Grandstream GXW4216 is a 16 FXS port VoIP gateway that can be used to connect analog devices such as phones and faxes to a VoIP network. Support for several voice/fax codes and a combination of 16 RJ11 FXS ports and a 50-pin Telco connector makes the GXW4216 versatile for a variety of uses.

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  4. Grandstream GXW4224 FXS Gateway

    Grandstream GXW4224 FXS Gateway

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    The GXW4224 is a next generation high performance high-density analog VoIP gateway that is fully compliant with SIP standards and broadly interoperable with various VoIP systems, analog PBX's and IP phones.

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  5. Grandstream GXW4232 FXS Gateway

    Grandstream GXW4232 FXS Gateway

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    The GXW4232 is a next generation high performance high-density analog VoIP gateway that is fully compliant with SIP standards and broadly interoperable with various VoIP systems, analog PBX's and IP phones.

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  6. Grandstream GXW4248 FXS Gateway

    Grandstream GXW4248 FXS Gateway

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    The GXW4248 is a next generation high performance high-density analog VoIP gateway that is fully compliant with SIP standards and broadly interoperable with various VoIP systems, analog PBX's and IP phones.

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  7. Grandstream GXW4501 Gateway

    Grandstream GXW4501 Gateway

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    1 E1/T1/J1 Port Digital VoIP Gateway

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  8. Grandstream GXW4502

    Grandstream GXW4502

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    2 E1/T1/J1 Port Digital VoIP Gateway

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  9. Grandstream GXW4504

    Grandstream GXW4504

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    4 E1/T1/J1 Port Digital VoIP Gateway

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  10. Grandstream Handytone 802

    Grandstream Handytone 802

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    The HT802 is a 2 port analog telephone adapter (ATA) that allows users to create a high-quality and manageable IP telephony solution for residential and office environments.

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