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SmartNode 4552 & 4562 overview
14
SmartNode 4552 & 4562 Getting Started Guide
1 • General information
SmartNode 4552 & 4562 overview
The SmartNode 4552 & 4562 ISDN Small Office/Home Office (SoHo) Gateway-Router (see figure 1) com-
bines Ethernet switching, IP routing, VPN/Security, and Quality of Service with high-quality Voice over IP
(VoIP) delivered on an ISDN S
0
(S/T) Basic Rate Interface (BRI). This combination allows you to leverage
low-cost Internet Telephony on existing ISDN Phones and PBX equipment for complete SoHo and branch
office voice and data connectivity.
Figure 1. SmartNode 4552 & 4562
The SmartNode 4552 & 4562 is equipped with a 10/100Base-T Ethernet WAN port and an integrated 4-port
10/100Base-T Ethernet switch.
The SmartNode 4552 & 4562 Gateway-Router performs the following major functions:
• Two channels of Voice over IP and local voice switching via 2 ISDN BRI S
0
ports, one NT port for connec-
tion to ISDN terminal equipment and one TE port for connection to the ISDN network/switch.
• A fallback cut-through relay between the two ISDN BRI ports electrically connects the NT and TE port
in case of power failure and enables life-line calls to the public ISDN network (PSTN-supplied ISDN
line must be used).
• Standard compliant VoIP in accordance with SIP or H.323 protocols.
• Internet access and IP Routing with IP Quality of Service (QoS) support for mixed voice and data traffic.
VoIPon www.voipon.co.uk sales@voipon.co.uk Tel: +44 (0)1245 808195 Fax: +44 (0)1245 600030