# VoIP Adapter POLY ATA 402 2FXS Open SIP Power Supply G.711alaw OPUS

**URL:** https://aio.lv/en/product--hp-poly-8f3h5aaac3--11040555
**Data updated:** 2025-12-30 15:09 (EET)
**Category:** VoIP Gateways
**Manufacturer:** HP POLY
**Manufacturer code:** 8F3H5AA#AC3
**EAN:** 0197497475784
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 104.99 €
**Prices and availability valid until:** 2026-07-12 23:59
**Price without VAT (21%):** 86.77 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--hp-poly-8f3h5aaac3--11040555

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 30.06.2026 | free |
| Pickup points | 03.07.2026 | 1.99 EUR |
| Courier delivery to door | 03.07.2026 | 4.99 EUR |

## Summary description

The POLY ATA 402 2FXS VoIP Adapter features Open SIP compatibility and supports G.711alaw and OPUS voice codecs. It operates on AC input voltage of 100-240V and is certified by FCC and CE. Compact design with dimensions of 96mm x 96mm x 22mm makes it suitable for various setups. Ideal for enhancing voice communication over IP networks.

## Long description

The POLY ATA 402 2FXS VoIP Adapter converts standard analog phones and fax devices into IP phones, enabling voice communication over SIP-based networks without replacing existing handsets. Compatible with Open SIP and supporting G.711alaw and OPUS codecs, this compact adapter (96 × 96 × 22 mm) provides a cost-effective way to introduce VoIP functionality while remaining FCC- and CE-certified. It accepts AC input voltage 100–240 V and includes power supply compatibility for typical office and home environments.
Advantages
The POLY ATA 402 2FXS preserves your current analog phones and fax machines while providing SIP connectivity, reducing hardware replacement costs and simplifying rollout. Support for G.711alaw and OPUS ensures broad interoperability and good voice quality across networks. Its compact form factor and standard power range make installation flexible, and compliance with FCC and CE standards meets regulatory requirements in many regions.
Suitable for
 Small offices and home offices seeking to retain existing analog phones
 Locations requiring analog fax integration over IP
 Service providers offering SIP trunking to customers with legacy phones
 Environments with limited network infrastructure where simple VoIP access is needed
Key specifications
 Model: POLY ATA 402 2FXS (HP POLY, MPN 8F3H5AA#AC3)
 Voice protocols/codecs: Open SIP, G.711alaw, OPUS
 Interfaces: 2 FXS ports for analog phones/fax
 Power: AC input 100–240 V (includes power supply)
 Certifications: FCC, CE
 Dimensions: 96 mm × 96 mm × 22 mm
 EAN: 0197497475784
How to use
Connect the analog phone or fax to one of the FXS ports on the POLY ATA 402, plug the adapter into AC power, and configure SIP account settings using the device web interface or provisioning method provided by your SIP provider. Assign SIP credentials, set codec preferences (G.711alaw or OPUS as supported), and verify registration with the SIP server. After registration, place and receive calls through the IP network using the connected analog handset.
Usage recommendations
For reliable fax transmission, use the FXS port dedicated to fax and confirm T.38 or interworking settings with your SIP provider if available; choose G.711alaw for compatibility where OPUS is not supported. Ensure the adapter firmware is up to date and secure the device with strong admin credentials when connecting to public or business networks.

## Specifications

| Feature | Value |
|---|---|
| Weight | 0.085 kg |
| Certification | FCC part 15 (CFR 47) class B, CE |
| Operating relative humidity (H-H) | 5 - 95 |
| Storage temperature (T-T) | -40 - 70 |
| Package weight | 300 g |
| Operating temperature (T-T) | 0 - 40 |
| Height | 22 mm |
| Output voltage | 5 |
| Width | 96 mm |
| Depth | 96 mm |
| Voice codecs | G.711alaw, OPUS |
| VoIP protocols | SIPv2 |
| USB 2.0 ports quantity | 1 |
| Modem (RJ-11) ports | 2 |
| Ethernet LAN (RJ-45) ports | 1 |
| Country of origin | China |
| Output current | 1 A |
| Package depth | 190 mm |
| Package height | 55 mm |
| Package width | 210 mm |
| Power source type | DC |
| AC input frequency | 50/60 |
| AC input voltage | 100-240 |

## FAQ

### How much does the VoIP Adapter POLY ATA 402 2FXS cost, and is it available for purchase?

The price is 104.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 1 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 30.06.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All HP POLY products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized HP POLY service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/11040555/64489549_large.webp