# SIP gateway AudioCodes MP204B/4S 10 100 1000 Mbit/s

**URL:** https://aio.lv/en/product--audiocodes-mp204b4ssip--10797833
**Data updated:** 2026-01-14 13:02 (EET)
**Category:** VoIP Gateways
**Manufacturer:** AUDIOCODES
**Manufacturer code:** MP204B/4S/SIP
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 269.99 €
**Prices and availability valid until:** 2026-07-14 23:59
**Price without VAT (21%):** 223.13 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--audiocodes-mp204b4ssip--10797833

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 15.07.2026 | free |
| Pickup points | 20.07.2026 | 1.99 EUR |
| Courier delivery to door | 20.07.2026 | 4.99 EUR |

## Summary description

The AudioCodes MP204B/4S SIP gateway supports Ethernet LAN data rates of 10, 100, and 1000 Mbit/s. It features various voice codecs and multiple network protocols, making it ideal for VoIP applications. The device is housed in a durable plastic enclosure and includes LED indicators for LAN, Power, Status, and WAN.

## Long description

The SIP gateway AudioCodes MP204B/4S 10 100 1000 Mbit/s provides a compact VoIP interface designed for small and medium business environments and branch office connectivity. The device supports Ethernet LAN speeds of 10, 100 and 1000 Mbit/s and implements a variety of voice codecs and network protocols required for interoperable SIP communications. Housed in a durable plastic enclosure, the gateway includes LED indicators for LAN, Power, Status and WAN to assist with installation and diagnostics.
Advantages
The AudioCodes MP204B/4S offers flexible network connectivity with auto-negotiation across 10/100/1000 Mbit/s links and hardware support for common voice codecs to ensure interoperability with SIP-based PBX systems and service providers. Its compact plastic enclosure reduces installation complexity and the front panel LEDs give immediate visual status for power, network link, and device operation. The gateway supports multiple SIP and network protocols, allowing integration into existing VoIP infrastructures while keeping configuration straightforward.
Suitable for
 Small and medium business branch voice connectivity
 SIP trunking to hosted or on-premises PBX systems
 Remote office VoIP extension deployment
 Network upgrades requiring gigabit-capable VoIP access
Key specifications
 Ethernet LAN data rates: 10 Mbit/s, 100 Mbit/s, 1000 Mbit/s (auto-negotiation)
 Supported voice codecs: multiple standard SIP codecs for voice interoperability
 Network protocols: SIP and associated transport and signaling protocols for VoIP
 Indicators: LED status for LAN, Power, Status and WAN
 Enclosure: durable plastic housing for desktop or shelf placement
How to use
Install the gateway on a stable surface and connect the LAN and WAN interfaces to the appropriate network switches or routers. Power the unit and observe the front-panel LEDs to confirm power and link status. Configure SIP account credentials, codec preferences and network settings through the device web interface or supported provisioning method according to your SIP provider or PBX requirements. After applying configuration, perform test calls to verify audio paths and codec negotiation, and adjust jitter buffer or quality settings as needed.
Usage recommendations
Place the device in an environment with adequate ventilation and stable power. Use quality cabling and network switches that support the required Ethernet speeds. For best voice quality, prioritize VoIP traffic with QoS settings on network equipment and ensure firmware is kept up to date to maintain protocol compatibility and security.

## Specifications

| Feature | Value |
|---|---|
| Supported network protocols | IPv4, TCP/UDP, ICMP, ARP, RTP, RTCP, PPPoE, PPTP, L2TP, DNS, Dynamic DNS, STUN, DHCP client/server, NAT, RIP, SPI Firewall, HTTP/HTTPS, FTP/TFTP, SNMP |
| Storage temperature (T-T) | -25 - 85 |
| Supported protocols | SIP |
| Operating temperature (T-T) | 5 - 40 |
| Height | 33 mm |
| Input voltage | 110 - 220 |
| Output voltage | 12 |
| LED indicators | LAN, Power, Status, WAN |
| Modulation | DTMF |
| WAN connection | Ethernet (RJ-45) |
| Firewall security | Yes |
| Width | 167 mm |
| Depth | 133 mm |
| Product colour | Blue |
| Networking standards | IEEE 802.1Q, IEEE 802.1p |
| Voice codecs | G.726, G.727, G.729A, G.729B, VAD, G.723.1, CNG, G.168, G.711 |
| VoIP protocols | SIP(RFC 3261) |
| Ethernet LAN (RJ-45) ports | 2 |
| Input frequency | 50/60 |
| Quality of Service (QoS) support | Yes |
| Output current | 1 A |
| Web-based management | Yes |
| Ethernet LAN data rates | 10, 100, 1000 |
| Reset button | Yes |
| VLAN support | Yes |
| Foreign eXchange Station (FXS) ports quantity | 4 |
| Differentiated services (DiffServ) supported | Yes |
| Control display unit | Yes |
| Enclosure material | Plastic |

## FAQ

### How much does the SIP gateway AudioCodes MP204B/4S cost, and is it available for purchase?

The price is 269.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 3 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 15.07.2026 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 AUDIOCODES 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 AUDIOCODES 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 SIP gateway AudioCodes MP204B/4S?

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/10797833/65784104_large.webp