SKU: 97930880556

Poly ATA 402 2FXS Voice Port VoIP Adapter with Open SIP and Power Supply

Sale price$98.86 Regular price$109.85
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Ships within 48 hours · Estimated delivery Aug 10 - Aug 15

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Description

Poly ATA 402 2FXS Voice Port VoIP Adapter with Open SIP and Power SupplyTransform your existing analog phones into a flexible, IP first communications solution with the Poly ATA 402. This dual FXS voice port VoIP adapter lets you preserve your current handsets while unlocking the power of SIP based calling. With Open SIP compatibility and a ready to use power supply, its an ideal choice for small offices, home offices, and teams that want to streamline telephony, reduce upgrade costs, and keep essential faxing workflows

Transform your existing analog phones into a flexible, IP-first communications solution with the Poly ATA 402. This dual-FXS voice port VoIP adapter lets you preserve your current handsets while unlocking the power of SIP-based calling. With Open SIP compatibility and a ready-to-use power supply, it’s an ideal choice for small offices, home offices, and teams that want to streamline telephony, reduce upgrade costs, and keep essential faxing workflows intact. The ATA 402 is designed to integrate smoothly with cloud PBXs, hosted SIP services, and on-premises IP-PBX systems, delivering reliable voice quality and straightforward administration. Whether you’re migrating gradually or deploying a new IP telephony environment, the Poly ATA 402 provides a practical, scalable path to modern communications without abandoning your existing hardware.

  • Convert analog phones to digital IP phones with 2 FXS ports, enabling seamless integration into any SIP-based network and letting your existing handsets participate in modern VoIP calls.
  • Open SIP compatibility for flexible deployment with cloud services, hosted PBX platforms, or on-premises IP-PBX systems, ensuring interoperability across vendors and configurations.
  • Cost-efficient, scalable solution that preserves your current telephone investment while simplifying administration, provisioning, and management across multiple sites.
  • Supports faxing over IP, preserving essential fax workflows for small businesses and organizations that rely on secure, reliable document transmission alongside VoIP calling.
  • Includes a power supply for quick, ready-to-use deployment, with a compact, robust design suitable for desktops, small offices, or workspaces with limited space.

Technical Details of Poly ATA 402 2FXS Voice Port VoIP Adapter with Open SIP and Power Supply

  • Product Type: Analog Telephone Adapter (ATA) with 2 FXS voice ports
  • Ports: 2 x RJ-11 FXS analog telephone interfaces
  • Networking: Ethernet connectivity for IP access to SIP servers and cloud PBX services
  • Protocol/Compatibility: Open SIP support compatible with standard SIP-based PBXs and hosted IP services
  • Power: Includes external power supply for reliable, uninterrupted operation
  • Installation: Supports straightforward configuration via web-based management interface
  • Fax Capability: Supports fax over IP (T.38 or pass-through depending on network and server support)
  • Security & Management: Features basic security options and provisioning capabilities to safeguard and streamline deployments

how to install Poly ATA 402 2FXS Voice Port VoIP Adapter with Open SIP and Power Supply

  • Unbox the ATA 402 and verify you have the unit, the included power supply, and the necessary cables (RJ-11 for phones, RJ-45 for network).
  • Connect your analog phones to the two FXS ports on the ATA 402 using standard RJ-11 telephone cords.
  • Plug the ATA 402 into a powered outlet using the included power supply and connect the device to your network with a Ethernet cable (RJ-45) to your router or switch.
  • Power on the unit and wait for it to boot. Access the web configuration page using a computer on the same network (enter the ATA’s IP address shown on the device or via your DHCP server).
  • Enter your Open SIP settings (SIP server address, account credentials, display name, and caller ID preferences). Configure optional features such as fax settings, STUN if needed, and QoS parameters to optimize voice quality.
  • Save the configuration and reboot if prompted. Test each line by picking up the connected analog phones and placing a test call to ensure dialing, ringing, and audio quality meet expectations.

Frequently asked questions

  • Q: What is the Poly ATA 402 used for?
    A: It is a two-port analog telephone adapter (ATA) that converts two traditional analog lines into IP-based SIP endpoints, allowing you to use existing phones in a modern VoIP environment.
  • Q: Does the ATA 402 work with Open SIP and cloud PBXs?
    A: Yes. It is designed to be Open SIP compatible and works with many cloud-based and on-premises SIP platforms, providing flexible deployment options.
  • Q: Do I need Ethernet to use this device?
    A: A network connection is required for IP connectivity. Connect the ATA to your router or switch via an Ethernet cable for SIP signaling and media routing.
  • Q: Can I send faxes over IP with the ATA 402?
    A: Yes. The device supports fax over IP, typically via T.38 or fax passthrough depending on your network and SIP server configuration.
  • Q: Is a power supply included?
    A: Yes. The Poly ATA 402 ships with an external power supply to ensure reliable operation and straightforward setup.
  • Q: How many phones can I connect?
    A: You can connect two analog phones or devices to the two FXS ports, enabling parallel use or separate lines as needed within your SIP deployment.
  • Q: What kind of management is available?
    A: The ATA 402 offers a web-based configuration interface for setup, provisioning, and monitoring, with options to export/import configurations for easy mass deployments.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 97930880556

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4.1 ★★★★★
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phan_graph
Omaha, US
★★★★★ 4
Great buy
Color: Blue+Red
My dogs kill every toy. They arrived very agressive chewers. These have lasted way longer than most balls have. Great value
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 24, 2026
M
Verified Purchase
megs2168
Birmingham, US
★★★★★ 5
If your dog loves tennis balls, you NEED these
Color: Azure+Orange, Color: Azure+Orange
Raising any puppy is tough. Raising a German Shepherd puppy has often left me questioning my life choices. So I was ecstatic the day that my 60-lb puppy decided that he loves tennis balls and occupied himself for 2 hours without needing constant intervention. Naturally, my immediate response was to make sure we had a constant supply of large tennis balls for dogs available. Now my puppy loves mischief, but he’s not an aggressive chewer. And I was irritated to discover that every brand and size of tennis ball broke within an hour max of play. By simply playing fetch and batting the ball around with his paws, every single tennis ball split into 2 halves. We needed something better! These squeaky balls are exactly that! They come in a 2-pack. I gave my pup the 1st one a week ago and it’s still going strong! We play fetch in the backyard, he brings it into the doggy pool with him, it rolls around in the dirt and can be rinsed off easily. It’s by far his favorite toy, and he takes it everywhere with him. Finally a squeaky ball that can keep up with my dog! These are the perfect size, texture, bounce, squeak, everything. These are the ONLY squeaky balls I will buy from now on. Five stars for sure!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 12, 2026
B
Verified Purchase
Brad
Lexington, US
★★★★★ 5
Really are indestructible. Amazing product.
Color: Blue+Red
Wow! Really indestructible. Our large dogs have destroyed other “indestructible” toys in less than an hour and these are amazing. They squeak, which our dogs love (we hate) and they float when they go into our pool. IF they ever do wear out or are lost I will definitely buy again.
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Reviewed in the United States on June 3, 2026
K
Verified Purchase
Kelsey
Phoenix, US
★★★★★ 5
Durable squeaky ball for chewers
Color: Blue+Red, Color: Blue+Red
These are great! My 54 lb GSP loves them and it’s the only thing she cannot destroy! She’s currently 1 year and we have had the balls for several months. We have this brand and similar ones too. They float, bounce, and squeak. The ridges are good for chewing.
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Reviewed in the United States on May 4, 2026
S
Verified Purchase
Stephanie Dutey
San Leandro, US
★★★★★ 5
Finally a Toy My Pitbull Hasn’t Destroyed in 5 Minutes
Color: Blue+Red, Color: Blue+Red
I have a 65 lb pitbull who destroys most toys almost immediately, so I’m always skeptical when products claim to be “indestructible.” Most toys last maybe a few minutes in my house before pieces are everywhere. These have actually held up surprisingly well. The material feels durable and thick enough to handle really aggressive chewing, and so far my dog hasn’t been able to destroy them like he does with most other balls and squeaky toys. That alone makes these worth it to me. I also really like the size. They’re large enough that I don’t have to constantly worry about him accidentally swallowing them or choking while playing, which is a huge plus for bigger dogs. The squeaker inside also keeps him interested longer since he usually gets bored quickly with toys that don’t make noise or bounce around well. If you have a strong chewer or larger dog and you’re tired of replacing destroyed toys constantly, these are definitely worth trying.
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Reviewed in the United States on May 10, 2026

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