# VoIP Gateway Siemens HiPath 3X50 HG 1500 V9 3350 3550

**URL:** https://aio.lv/en/product--siemens-l30251-u600-a742--1037859
**Data updated:** 2026-01-13 15:32 (EET)
**Category:** VoIP Gateways
**Manufacturer:** Siemens
**Manufacturer code:** L30251-U600-A742
**EAN:** 4050026002935
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 58.49 €
**Prices and availability valid until:** 2026-07-26 23:59
**Price without VAT (21%):** 48.34 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--siemens-l30251-u600-a742--1037859

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 24.07.2026 | free |
| Pickup points | 29.07.2026 | 1.89 EUR |
| Courier delivery to door | 29.07.2026 | 4.99 EUR |

## Summary description

Siemens HiPath 3X50 HG 1500 V9 3350 3550 is a VoIP gateway designed for integrating traditional telephony with IP-based networks. It supports Siemens HiPath features and is intended for business telephony deployments requiring interoperability between PSTN or ISDN lines and VoIP systems. Use cases include office voice routing, PBX integration and migration to IP telephony, offering centralized call handling and continuity.

## Long description

The Siemens HiPath 3X50 HG 1500 V9 3350 3550 is a VoIP gateway designed to bridge traditional telephony networks and IP-based communication systems. It enables integration between PSTN/ISDN interfaces and SIP-based VoIP environments, supporting centralized call routing and interoperability with Siemens HiPath telephony features. The unit is intended for business deployments where legacy lines need to coexist with IP telephony during migrations or hybrid setups.
Advantages
The gateway provides protocol translation and media conversion to maintain voice quality across network boundaries while preserving existing telephony investments. It supports industry-standard signalling to enable seamless connection to PBX systems and session controllers, and its design focuses on reliable voice routing and session handling. The device reduces the complexity of managing parallel PSTN/ISDN and IP infrastructures by consolidating call control paths and enabling gradual migration to full IP telephony.
Suitable for
Office voice routing between PSTN/ISDN lines and SIP-based VoIP systems
Integrating Siemens HiPath PBX features with IP telephony
Phased migration from legacy telephony to IP-based communications
Centralized call handling in small to medium enterprise environments
Key specifications
Function: VoIP gateway for bridging traditional telephony and IP networks
Supported interfaces: PSTN and ISDN trunk integration with SIP signalling
Compatibility: Designed to work with Siemens HiPath telephony environments
Primary use case: Voice routing, session handling and PBX integration
Deployment: Rack-mountable hardware suitable for office or data-cabinet installation
How to use
Install the gateway in the network rack and connect the PSTN/ISDN trunks and the IP network according to site wiring standards. Configure SIP trunk parameters and session settings via the device management interface or the accompanying network controller to match the target PBX or SIP server. Define routing rules and codec preferences to ensure interoperability and acceptable voice quality. Test call flows between legacy lines and IP endpoints before placing the unit into production and monitor call logs during initial operation.
Usage recommendations
For stable operation, align signalling and codec settings with the connected PBX and SIP servers, maintain firmware updates provided by the vendor, and plan for redundancy where voice continuity is critical. Validate network QoS settings and bandwidth availability to preserve call quality during peak usage.

## FAQ

### How much does the VoIP Gateway Siemens HiPath 3X50 HG 1500 V9 3350 3550 cost, and is it available for purchase?

The price is 58.49 € (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 24.07.2026 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 Siemens 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 Siemens 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

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