• Multi-standard Protocols: SIP, H.323, MGCP
• Quality of Service (QoS): Advanced bandwidth management
• Hybrid Connectivity: Bridge between traditional ISDN and modern VoIP
• Flexible Configuration: Intuitive web interface and CLI
• Business Robustness: Reliability 24/7 for professional environments

✅ Verified professional equipment:

• All interfaces operational (2BRI + 4FXS)
• Processor and firmware in perfect condition
• Connectors and ports in excellent condition
• Ready for immediate deployment
• Factory reset configuration

⚠️ To be provided for installation:

• POWER CABLE NOT INCLUDED
• 12V DC adapter required (Patton standard)
• Available from specialized resellers or equivalent on eBay

📸 Important : The photos are for illustration purposes only; only the content of the announcement is authoritative for the exact product reference and included accessories. If in doubt, please do not hesitate to contact us.

• 🚫 We do not provide technical support
• 🚫 Disclaimer for the software part
• 🚫 POWER CABLE NOT INCLUDED in this sale

❓ What advantages does this 2BRI + 4FXS configuration offer?

This **exceptional hybrid configuration** allows for the simultaneous connection of **traditional ISDN lines** (2BRI) and **analog phones** (4FXS) while benefiting from **VoIP advantages**. Ideal for a gradual migration to IP.

❓ Where can I get the compatible power cable?

This **Patton SmartNode** requires a **specific 12V DC power supply**. You can obtain the adapter from **Patton resellers**, specialized telecom providers, or through online professional equipment platforms.

❓ Is this gateway suitable for migrating to VoIP?

Perfectly! The **SmartNode SN4120** is specifically designed for **progressive VoIP migrations**. It allows you to keep your existing equipment (ISDN/analog) while integrating **modern IP features** (SIP, QoS, centralized management).

❓ What size of business can use this equipment?

This gateway is **ideal for SMEs** with 5 to 30 users requiring a **flexible phone solution**. Its 2BRI + 4FXS configuration allows for effective management of communication needs for small to medium businesses with **professional reliability**.

❓ Are the supported VoIP protocols standard?

Absolutely! This gateway supports **universal protocols** SIP, H.323, and MGCP, ensuring **maximum compatibility** with all IPBX, telephone exchanges, and VoIP providers in the professional market.

❓ Is the quality of service (QoS) configurable?

The **SmartNode features advanced QoS** with **intelligent bandwidth management**, prioritization of voice streams, and **automatic optimization** of communication quality. Configuration via an intuitive professional web interface.

❓ Is there technical documentation available?

**Patton Electronics** provides **comprehensive documentation**: installation manuals, configuration guides, application notes, and professional technical support. Available on the official Patton portal for certified integrators.