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What is a VoIP Router? A VoIP router (see What is VoIP?) is a hybrid networking device installed on the customer premise that provides advanced IP routing services combined with standard voice media gateway functions (see What is a VoIP Gateway?). Among the chief advantages of a VoIP router is the ability to manage intra-company dialing plans, including PSTN breakout for long-distance toll bypass between branch offices. Additional IP routing features may also be provided by a VoIP router, including access control list (ACL) and payload encryption using such networking protocols as VoIP-VPN IPsec or TLS/SRTP.

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Show Me: VoIP Routers

 
 

Analog VoIP Router with 2-8 FXS/FXO ports

SmartNode 4520
The SmartNode 4520 VoIP Gateway-Router supports up to 8 FXS or FXO telephone connections. It combines voice-over-IP (VoIP) with advanced Quality of Service (QoS) and full Internet access and security features to provide best-in-class service and voice quality.

Analog VoIP Router with 12-32 FXS/FXO ports

SmartNode 4400
Cost-effective analog VoIP-router solution connects 12 to 32 analog phone, fax or PSTN trunk lines to your IP environment.

BRI So Digital VoIP Router with 3 or 5 ports

SmartNode 4630
Award-winning SmartNode™ 4630 BRI So VoIP Router delivers business-class Internet telephony for demanding ISDN users with 3 or 5 BRI ports for up to 4 or 8 concurrent VoIP or T.38 fax calls.

Enterprise PRI/T1/E1 ISDN VoIP Router

SmartNode 4980
IP-enable legacy PBX systems with the SmartNode 4980 PRI VoIP Router. Supports up to 120 concurrent VoIP calls. This VoIP Gateway with built-in IP Router connects any PBX system with advanced IP telephony services and the PSTN.
 

Teach Me: What is a VoIP Router?

 
Over and against a simple VoIP gateway, another benefit with a VoIP router is this: a VoIP router can provide PSTN fallback with voice-and-data survivability for business continuity in the event of an Internet or IP network failure. While most networks today employ session initiation protocol (SIP) for voice encoding, the earlier standard, H.323 is still in use. The best high-quality VoIP routers are able to support both protocols, both of which are encapsulated in the data payload of the real-time protocol (RTP) protocol data unit (PDU). Another benefit of the VoIP router is the capability to provide quality of service (QoS) mechanisms, especially in the downstream path. For details on this feature, see Addressing QoS Beyond the Provider Network.

Typical VoIP Router Applications
VoIP router can be used to address many different challenges when implementing an IP-based voice system. Two of the most common use cases are described below.

LAN/WAN QoS & Router The SmartNode VoIP Router is a high-quality, enterprise-class solution that offers All-IP network access with QoS voice and wire-speed traffic shaping. Providing dual 10/100 Ethernet ports, the SmartNode VoIP Router connects your phones and computer hosts to your LAN with VLAN tagging, DHCP server/client, and firewall/ACL services. Employing PPPoE and IPSEC VPN with DES, 3DES, and AES strong encryption, the SmartNode VoIP router carries all your voice and data streams to the WAN over a single, secure network connection.



Local PSTN + Packet Voice
Using Patton's SmartNode VoIP gateway routers with FXS & FXO ports provides seamless access to remote packet-voice and local PSTN telephony. Using powerful call-switching technology, distinctive ring, and caller-ID, a single handset can reach the right phone service at any time. With Patton's ClearConnect™ fail-over protection your phone call is sure to be completed. Network health-monitoring and IP telephony switching ensures a clear call-even if the IP network is down.



VoIP Router Terminology
Short Glossary of Related Acronyms
VoIP - Voice over IP
SIP - Session Initiation Protocol
IP - Internet Protocol
TDM - Time Division Multiplexing
PRI - Primary Rate Interface
ISDN - Integrated Services Digital Network
PSTN - Public Switched Telephone Network
ITSP - Internet Telephony Service Provider
SRTP - Secure Real-time Transport Protocol
TLS - Transport Layer Security
PDU - Protocol Data Unit
RTP - Real time Protocol
LAN - Local Area Network
WAN - Wide Area Network
QoS - Quality of Service

 

Help Me: VoIP Router Technical Help

 
Patton offers an extensive online library of technical information to help you get your SmartNode VoIP router up and running fast. Patton's web-based FAQs, configuration notes, and application notes provide the detailed knowledge you need to install, configure, troubleshoot and maintain your Patton VoIP router. And these helpful resources are all free right here on www.patton.com. Patton stands behind our high-quality VoIP router products-world-renowned for set-it-forget-it reliability and stability-with live email and phone support plus lifetime downloadable software updates absolutely free of charge.
 
 
 
Analog VoIP Routers
SmartNode, SN4400
IpChannelBank Analog VoIP Router | 12 to 32 FXS or FXO ports
SmartNode, SN4520
Analog VoIP Gateway-Router | 2 to 8 ports for up to 8 simultaneous phone or fax calls
SmartNode, SN5540
eSBC + Router | 2, 4 or 8 analog ports for up to 8 phone or fax calls
SmartNode, SN5550
eSBC + Router | 2FXS/2S0 or 4FXS/4S0 ports for up to 8 phone or fax calls
BRI VoIP Routers
SmartNode, SN4630
BRI VoIP Gateway-Router | 3 or 5 ports for up to 8 simultaneous phone or fax calls
SmartNode, SN4660
Analog & BRI VoIP Gateway-Router | 2 to 8 BRIs and/or FXS/FXO ports for up to 24 phone or fax calls
SmartNode, SN5530
eSBC + Router | 2 to 8 BRI ports for up to 16 simultaneous phone or fax calls
SmartNode, SN5550
eSBC + Router | 2FXS/2S0 or 4FXS/4S0 ports for up to 8 phone or fax calls
T1/E1/PRI VoIP Routers
SmartNode, SN4980
PRI VoIP Gateway-Router | 1 or 4 T1/E1/PRI interface for up to 120 simultaneous phone or fax calls
SmartNode, SN5570
eSBC + Router | 1 or 2 T1/E1/PRI interface for up to 30 simultaneous phone or fax calls
 
 
 
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