SmartNode™ 4552
SoHo VoIP Router for ISDN/BRI (2 channels)
The SmartNode™ 4552 is the perfect way for ITSPs and SMEs to deliver integrated ISDN phone/fax & data services to SoHo users. Supporting two simultaneous BRI/So calls over any broadband access network, this cost-effective, feature-rich, QoS VoIP router is the single-box CPE solution for converged voice-and-data communications.
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  • 2-channel VoIP Media Gateway and router with dual ISDN BRI/S0 ports with NT and TE support.
  • SessionRouter™ with enhanced circuit-switched call routing allows user programmable call handling based on hunt groups, caller/called ID, and time of day. Pass local PSTN call through without packet conversion.
  • SIP, H.323, and MGCP—All SmartNodes support industry standard call-control signalling with standards-based compatibility
  • Fast-Ethernet WAN and integrated 4-port 10/100 LAN switch with auto MDI-X. Access router with NAT, Firewall, PPPoE, DHCP, and DynDNS
  • Quality of Service—Advanced adaptive traffic management and shaping for maximum voice quality. Voice and data prioritization and DownStreamQoS™
  • Built-in Web based management, SNMP, Command Line Interface and Auto-Provisioning for automated configuration distribution and software upgrades

The SmartNode 4552 enables integration of ISDN network users into their local phone service, a remote PBX and the data/VPN network through a single tightly integrated access device.

Connecting to the local ISDN Phone as well as the local PSTN port, Patton’s SessionRouter™ technology links any standard ISDN telephone or PBX to VoIP while still connecting to legacy PSTN services. Built-in Lifeline support ensures phone connection to the PSTN in the event of failure. Gateway functions use standard CODECs such as G.723 and G.729 as well as industry standard SIP, H.323 and MGCP/IUA to ensure seamless connection and compatibility for all voice services.

Broadband network connectivity integrates with any fixed IP, DHCP or PPPoE service. An integrated 10/100 Ethernet LAN switch, with advanced routing features such as NAT, Firewall/ACL, DynDNS as well as optional IPSec VPN, fulfills the requirements of demanding network users.

Quality of Service (QoS) features complete the offering with advanced voice prioritization and traffic management. Patton’s patent-pending DownStreamQoS™ ensures voice without interruptions even over best-effort Internet connections.

Model 4552 application diagram


LAN and IP Services

• 4-port 10/100Base-T LAN Switch
• Auto-MDI-X
• IPv4, RIPv2, ICMP
• Dynamic and static NAT and NAPT
• ACL Firewall
• DNS, DynDNS
• DHCP Server
• SNTP Client
• Optional IPSec VPN (DES, 3DES, AES)

WAN Connectivity • 10/100Base-T Ethernet WAN
• Auto-MDI-X
• DHCP Client
• PPPoE Client (multi-session)
• IP Multi-Netting
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
Management • Web-based GUI
• Fully documented CLI
• Telnet and HTTP access
• TFTP configuration up- and download
• TFTP firmware upgrade
• SNMPv1 agent, MIB II and enterprise MIB
• Built-in diagnostic tools
• Auto-Provisioning—Configuration and Firmware
ISDN Specification • 2 ports Euro-ISDN BRI/So RJ-45
• 1 NT port/1 TE port
• DSS-1, Q.921, Q.931
• Point-point and point-multipoint
• Lifeline Bypass Relay TE port to NT port
• Optional QSIG support
Voice Signaling • SIPv2
• H.323v4
• MGCP/IUA
• SIP call transfer, redirect
• Overlap or en-bloc dialing
• DTMF in-band & out-of-band
• Configurable call progress tones
Fax and Modem Support • T.38 Fax over IP
• Fax relay and bypass
• Modem bypass
Call Routing & Services • Regular expression number matching
• Regular expression number manipulation
• Least Cost Routing
• Number blocking
• Short-Dialing
• Digit collection
• Distribution- and Hunt-Groups
• 2nd call offering
Voice Processing • G.711µ/A-law
• G.723.1 (5.3/6.3 kbps)
• G.729, G.729a, G.729ab (8 kbps)
• G.726 ADPCM (16 ,24, 32, 40 kbps)
• G.168 echo cancellation (25ms)
• Transparent ISDN data
• Silence suppression and comfort noise
• Adaptive and configurable dejitter buffer
• Configurable packet length
Operating Environment • Operating temperature: 32 - 104°F (0 - 40°C)
• Operating humidity: Up to 90% (non condensing)
Power & Packaging

• Dimensions: 4.2W x 1.5H x 5.0D in. (10.6W x 3.9H x 12.7D cm)
• Weight: < 15.9 oz (450 g)
• Power Consumption < 4W
Compliance • FCC Part 15 Class A (US EMC)
• CE per RTTE 99/5/EC (EMC and LVD)
• Safety - EN60950
• TBR-3 (ISDN BRI/So)


Data Sheet SmartNode 4552 Datasheet
User Manual SmartNode 4552 and 4562 Guide, Getting Started
Manuals Vita IP Network Access Catalog Vita IP Connectivity Catalog


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