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Patton SmartNode 4951 4 T1/E1/PRI IAD, 24 VoIP Channels, 2x G.SHDSL

SKU: SN4951/4E24V2GS/EUI
Condition: New

Availability: In stock

Patton Electronics
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SmartNode Hi-Cap 4 T1/E1/PRI VoIP IAD, 2x GigEthernet, 24 VoIP Channels; field upgradeable to 60 channels, 2 Pairs G.SHDSL interface, External UI Power, High Precision 5ppm Clock Source 

As enterprises move move toward Unified Communications, the SmartNode 4950 offers a smooth transition to IP telephony by connecting your traditional phone equipment to next-generation VoIP networks and services.

Preserve your investment in legacy phone equipment while taking the next step toward Unified Communications. Least-cost call routing in Pattons proven SmartNode VoIP solutions optimizes monthly expenses while flexible dialed-numbering plans maintain established business processes.

The Unified Communications Agent (UCA) provides any-to-any multi-path switching (simultaneous SIP, H.323, ISDN, and POTS calls with routing and conversion between TDM/PSTN and IP/Ethernet networksplus T.38 and SuperG3 FAX) combined with dial-backup and IP-link redundancy for VoIP and data survivability. Provide VoIP-over-VPN security with voice encryption via IPsec with AES/DES strong encryption and automated keying via Internet Key Exchange (IKE), plus SIP Registrar for presence/reachability.

Advanced router functionality includes DownStreamQoS delivering the clear advantage of secure, uninterrupted voice-and-data communication.

Connect to any switch, PBX or data network with up to four T1/E1/PRI ports for up to 120 simultaneous calls using SIP, T1, E1 or PRI signaling. Like every SmartNode, the SN4950 supports all the industry-standard CODECs, delivering toll-quality voice on every call.

Ensure business continuity. Combining PSTN breakout with IP-link redundancy, SmartNode ensures voice-and-data survivability for reliable enterprise-class communications.

Additional options include Pattons unique high-precision clock enabling first-line IP telephony services in demanding ISDN and DECT environments with reliable FAX and modem performance. The SN4950 also offers optional built-in 11.4 Mbps broadband access via 4-wire G.SHDSL.bis that reduces hardware costs, simplifies network architecture and streamlines service and deployment.

Convert Legacy PBX to VoIP

SmartNode 4950 application diagram



Up to four T1/E1/PRI ports (NE/TE) Signaling support (ISDN DSS-1, NI-2, Q.SIG, CAS Robbed bit loop and ground start, E&M, immediate, wink, double wink) ISDN AOC/ECT ISDN speech, audio & data (Fax Gr 4, UDI 64, RDI64) ISDN supplementary services CAS protocols: RBS (Loop start, ground start, E&M wink, intermediate, double-wink) and R2/MFC-R2 (Q.400Q.490 and Configurable country profiles) 


SIPv2 (SIP Info, Update, PRACK, Privacy, Refer), B2BUA, Optional SIP Registrar, H.323v4 (H.235, Early H.245, H.245 tunneling, fast-connect) 

Broadband Access

4-wire G.SHDSL ITU-T G991.2, Annex A, B, F, G Up to 11.4 Mbps PPoE 8PVCs, each UBR, CBR or VBR-rt selectable I.610 OAM F4/F5 support G.994.1 (G.hs)

Voice Processing

Codec G.711 a-law/mu-law, G.723, G.729ab, G.726, G727, T.38 fax relay (9.6 k, 14.4 k) G.711 transparent fax and bypass 128 ms echo cancellation

Call Routing and Services

Regular expression call routing and manipulation number blocking short-dialing digit collection, distribution and hunt groups

Data Interfaces

Dual 10/100/1000 TX Ethernet Ports Autosensing Auto-MDI Full-duplex

IP Routing

IP access router DHCP Client & Server RIPv2 BGP VRRP Packet fragmentation Firewall NAT/NAPT RFC 1631 Access Control Lists DMZ port IPSec VPN (Option)

IP Quality of Service

Voice priority DownStreamQoS traffic management, shaping policing IEEE 802.1p, TOS, DiffServ labeling IEEE 802.1Q, VLAN tag insertion/deletion 4,096


Web/HTTP, CLI with local console & remote Telnet access HTTP/TFTP configuration & firmware loading SNMP MIB II and product MIB SYSLOG Secure autoprovisioning for both firmware & unit/subscriber configuration Built-in diagnostic tools (trace, debug, call generator)

Power & Packaging

Desktop metal chassis
Dimensions: 11.0W x 1.5H x 7.0D in. (28.0W x 3.9H x 18.0D cm)
Weight: < 30 oz (850g)
External Power: 100240VAC (50/60 Hz)
Power Consumption: < 15W

Operating Environment

Operating temperature: 32 to 104F (0 to 40C)

Operating humidity: up to 90%, non-condensing



EMC: EN55022 and EN5502 Safety: EN 60950 CE FCC Part 15 Class A; Part 68; CS-03 

Additional Info

Additional Info

Model SN4951/4E24V2GS/EUI
Manufacturer Patton Electronics
Condition New
Form Factor External
FXO Ports N/A
FXS Ports N/A
T1/E1 Ports 4
Transcoding Ports N/A
Echo Cancellation Yes
Protocols Supported SIP, H.323
Codecs Supported G.711, G.726, G.729AB
Additional Features Router, VPN
Downloads SN4950 Series Datasheet
Video N/A



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