# VoIP Adapter POLY ATA 400 1FXS Open SIP Power Supply G.711alaw OPUS

**URL:** https://aio.lv/en/product--hp-8f3h4aaac3--10908618
**Data updated:** 2026-01-03 12:51 (EET)
**Category:** Computer Component Accessories
**Manufacturer:** HP
**Manufacturer code:** 8F3H4AA#AC3
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 105.99 €
**Prices and availability valid until:** 2026-07-12 23:59
**Price without VAT (21%):** 87.60 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--hp-8f3h4aaac3--10908618

## 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 400 1FXS is a VoIP adapter that supports Open SIP and features voice codecs G.711alaw and OPUS. It operates on a power supply of 100-240V AC and is designed for reliable voice communication. Compact dimensions of 88mm x 88mm x 26mm make it suitable for various setups.

## Long description

The POLY ATA 400 1FXS is a compact VoIP adapter that converts a standard analog phone or fax into an IP phone using Open SIP. Supporting codecs G.711alaw and OPUS, it enables reliable voice calls and fax transmission while preserving existing handsets. The device accepts 100–240V AC power and is designed for simple integration into office or home networks without requiring Ethernet or Wi‑Fi for local analog connectivity.
Advantages
The adapter lets you keep your current analog phones and faxes while enabling SIP-based VoIP services, reducing replacement costs and waste. Support for G.711alaw and OPUS codecs ensures compatibility with common VoIP providers and good audio quality. Its small form factor (88 × 88 × 26 mm) and wide input voltage make installation flexible in different environments.
Suitable for
Small offices and home offices needing VoIP for existing analog phones
Locations that require fax over IP or analog fax preservation
Environments where replacing handsets is impractical or costly
Key specifications
Product: VoIP adapter POLY ATA 400 1FXS
Protocol: Open SIP
Voice codecs: G.711alaw, OPUS
Interface: 1 FXS port for analog phone/fax
Power supply: 100–240V AC
Dimensions: 88 mm × 88 mm × 26 mm
Manufacturer part number (MPN): 8F3H4AA#AC3
How to use
Connect an analog telephone or fax device to the FXS port on the POLY ATA 400 1FXS, plug the adapter into mains power, and configure the device with your SIP account details using the web interface or provisioning method provided by your VoIP service. After registration with the SIP server, make and receive calls through your existing handset as usual. For fax use, enable T.38 or passthrough settings if supported by your service provider.
Usage recommendations
Place the adapter near the analog device to avoid long analog cabling. Ensure your VoIP provider supports the listed codecs and fax transmission mode you plan to use. Use the device's configuration interface to apply security settings and update firmware when available.

## Specifications

| Feature | Value |
|---|---|
| Weight | 0.065 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 | 26 mm |
| Output voltage | 5 |
| Width | 88 mm |
| Depth | 88 mm |
| Voice codecs | G.711alaw, OPUS |
| VoIP protocols | SIPv2 |
| USB 2.0 ports quantity | 1 |
| Modem (RJ-11) ports | 1 |
| 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 400 1FXS cost, and is it available for purchase?

The price is 105.99 € (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 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 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

### Where can I download the instructions for VoIP Adapter POLY ATA 400 1FXS?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.

## Image

https://aio.lv/img/cache/product/10908618/60784090_large.webp