Description
With power cable
π Patton SmartNode SN4981/4E30VR/EUI Professional VoIP Gateway Router - 4 PRI Ports - 30 Expandable VoIP Channels π
β¨ Professional Quality VoIP Router - Tested and Ready to Use β¨
Discover this Patton SmartNode 4981 VoIP router tested second-hand, a robust professional solution to interconnect your traditional PBX telephone systems with modern VoIP networks. Ideal for businesses looking to migrate to unified communications while preserving their existing infrastructure.
The Patton SN4981/4E30VR/EUI is an industrial telecommunications device designed to simultaneously manage up to 30 operator-quality voice calls, with the possibility of expanding to 60 VoIP channels. This gateway-router combines advanced IP routing, VPN security, and quality of service (QoS) to ensure reliable and secure business communications.
π§ Complete Technical Specifications
| Product Reference | Patton SmartNode SN4981/4E30VR/EUI |
| PSTN interfaces | 4 T1/E1/PRI ports (Network/Terminal Equipment) |
| Ethernet interfaces | 2 Gigabit Ethernet ports (10/100/1000 Mbps) |
| VoIP capacity | 30 simultaneous channels (expandable to 60 channels) |
| VoIP Protocols | SIPv2, H.323, B2BUA with optional SIP registrar |
| Audio Codecs | G.711, G.723, G.726, G.727, G.729ab |
| ISDN signaling | DSS-1, NI-2, Q.SIG, additional ISDN services |
| CAS protocols | RBS Loop start, Ground start, E&M, R2/MFC-R2 |
| Fax Support | T.38, SuperG3, Fax Group 4 |
| Safety | VoIP-over-VPN, IPsec, AES/DES, IKE, built-in firewall |
| Quality of Service | Advanced QoS, IEEE 802.1p/Q, DiffServ, VLAN (4096 tags) |
| Routing | BGP, RIP-2, minimal cost call routing |
| Clock | High precision source 5ppm for synchronization |
| Emergency Relay | Failover Relay for PSTN service continuity |
| IPv6 Support | IPv6 Compatible |
| Management | Web/HTTP, CLI, TFTP, SNMP, Secure auto-provisioning |
| DHCP Server | Yes (server and client) |
| DMZ Support | Yes |
| Dimensions | 301 x 181 x 45 mm (L x W x H) |
| Weight | 850 grams |
| Power supply | External (EUI) - 100-240V AC, 50-60 Hz |
| Operating Temperature | 0 to 40Β°C |
| Relative Humidity | 0 to 90% (without condensation) |
| Certifications | CE, FCC Part 15/68, CS-03, EN55022, EN60950 |
| Network Standards | IEEE 802.1Q, IEEE 802.1p |
| Country of Manufacture | USA |
β Delivery Status and Content
- Condition: Used tested and fully functional
- Checked material: All ports and features have been tested
- Ready to use: Configuration possible immediately after receipt
- Delivered with: External power cable included
- Chassis : Metal case for desktop installation
β οΈ Important : Photos are for illustration purposes only. Only the content described in this announcement is valid for the exact product reference and included accessories. If in doubt, please feel free to contact us before your purchase.
π Benefits and Key Features
- PBX to VoIP migration : Seamless integration of traditional telephone systems with modern IP networks
- Unified communications : UCA agent enabling simultaneous multi-protocol routing (SIP, H.323, ISDN, POTS)
- High capacity : Management of 30 simultaneous calls with scalability up to 60 VoIP channels
- Guaranteed voice quality : Support for all standard codecs for operator quality on every call
- Enhanced security : VoIP encryption with IPsec, AES/DES, and automated key exchange (IKE)
- Intelligent routing : Call routing function at minimal cost with flexible numbering plans
- Service continuity : PSTN failover relay to ensure telephone availability
- Traffic management : Advanced QoS with voice prioritization, traffic shaping, and downStreamQoS
- Complete Fax Support : Reliable fax transmission via T.38 and SuperG3
- Flexible administration : Web interface, CLI, SNMP with secure auto-provisioning
- Precise synchronization : High precision clock 5ppm for critical telecom applications
- Scalable and sustainable : IPv6 compatible architecture for preparation for future network standards
πΌ Professional Applications
This Patton SmartNode VoIP gateway router is particularly suitable for:
- Businesses : Modernization of telecom infrastructure while preserving existing PBX investments
- Telecom operators : Provision of universal SIP Trunking services with maximum interoperability
- Multi-branch sites : Interconnection of remote offices via secure VPN with guaranteed voice quality
- Datacenters : Integration of voice and data services into converged network infrastructures
- Call centers: High-capacity management of simultaneous calls with integrated monitoring and diagnostics
- Legacy systems: Gateway between traditional ISDN/PRI equipment and modern VoIP networks
π‘οΈ Our Quality Commitments
- 30-day warranty: Return and refund if the product does not meet your expectations
- Secure and fast shipping: Package carefully wrapped with carrier tracking number
- Professional invoice: Paper invoice with 0% VAT included in each package
- Tested hardware: Each device is checked before shipping
βοΈ Software Information and Support
β οΈ Disclaimer: This product is sold as hardware only. We do not provide any technical support, configuration assistance, firmware updates, or advice on the use of the embedded software. The buyer is responsible for the configuration and software management of the equipment.
For any technical documentation, user manuals, or firmware updates, please refer directly to the Patton Electronics manufacturer's website or contact their official technical support.
β Frequently Asked Questions (FAQ)
β Can this Patton VoIP router interconnect my old PBX with a modern SIP trunk?
Absolutely! The SmartNode 4981 is specifically designed for this telephone gateway function. It allows you to connect your traditional PBX equipment (ISDN PRI, T1/E1) to SIP VoIP trunking providers. The unified communications agent (UCA) ensures seamless conversion between TDM/PSTN protocols and IP/Ethernet networks, allowing for a gradual migration to IP telephony while preserving your existing infrastructure.
β What audio codecs and signaling protocols are supported by this gateway?
This gateway router supports all standard audio codecs in the industry: G.711 (maximum quality), G.723, G.726, G.727, and G.729ab (compression optimized for reduced bandwidth). For signaling, it is compatible with SIPv2, H.323, ISDN (DSS-1, NI-2, Q.SIG), as well as CAS protocols including RBS and R2/MFC-R2. This versatility ensures interoperability with virtually all telecom equipment and VoIP operators in the global market.
β How does the securing of VoIP communications work on this SmartNode?
The Patton SN4981 integrates a complete VoIP security system with VoIP-over-VPN encryption using IPsec. Voice communications are protected by strong AES/DES encryption with automated key exchange via the IKE (Internet Key Exchange) protocol. An integrated firewall, DMZ support, and 802.1Q VLAN management provide multilayer protection. This secure architecture meets the requirements of sensitive professional environments that require conversation confidentiality and protection against eavesdropping.
β Is it possible to extend the capacity from 30 to 60 VoIP channels later?
Yes, the reference SN4981/4E30VR/EUI is specifically designed as a scalable (upgradeable) model. The initial capacity of 30 simultaneous channels can be extended up to 60 VoIP channels by activating a software license from Patton. This scalability allows you to adapt your investment to the growth of your unified communications needs without hardware replacement, thus optimizing your telecom return on investment.
β What is the function of the failover relay on this model?
The Failover Relay is an essential service continuity mechanism for professional environments. In the event of an IP network failure or the router itself, this relay automatically switches phone lines to the traditional PSTN network, ensuring the maintenance of phone connectivity even during network incidents. This automatic redundancy eliminates critical phone downtime, ensuring permanent availability for call centers, emergency services, or activities requiring maximum telecommunications reliability.
β How to manage and administer this gateway router on a daily basis?
The administration of the SmartNode 4981 is flexible with several management interfaces: intuitive HTTP Web interface for graphical configuration, locally accessible CLI command line (console) or remotely (secure Telnet), SNMP management for centralized network monitoring, and TFTP transfers for firmware updates. The secure auto-provisioning system allows for large-scale deployments with automatic configuration. Integrated diagnostic tools (trace, debug, call generator) facilitate troubleshooting and performance optimization for telecom administrators.
β What quality of service (QoS) is guaranteed for VoIP calls?
This professional VoIP gateway implements advanced QoS mechanisms specifically optimized for real-time traffic. Automatic voice prioritization, traffic shaping and policing, combined with Patton's proprietary downStreamQoS system, ensure minimal latency and controlled jitter. IEEE 802.1p marking, ToS, and DiffServ allow end-to-end classification and prioritization on converged networks. These QoS technologies ensure consistent operator quality even on congested Internet links or limited bandwidth, eliminating dropouts, echoes, and audio degradation.
Modernize your telecom infrastructure with this professional VoIP gateway router Patton SmartNode 4981 - A proven solution for demanding businesses!
Have a question? Feel free to contact us before your purchase.