Polycom 4300T manual Configure call processing server redundancy

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User Guide V2IU 4300T Converged Network Appliance

Step 5 - Configure call processing server redundancy

If you will be using multiple network based call processing servers then you will need to enable server redundancy and specify the time between DNS lookups in the V2IU appliance. Enabling redundancy allows a DNS server to provide a list of multiple call processing servers to the V2IU appliance in the answers to SRV lookups. Each server in the list will be monitored using periodic messages by the V2IU appliance and the highest priority server that is currently reachable will be used for signaling. The V2IU appliance uses the reachability settings described in step 2 to determine the status of remote servers and remove inoperable servers from the list.

Triggers can also be used by the V2IU appliance to determine when to forward call requests to a secondary server in the list. A trigger is set when a configured number of resends are received by the V2IU appliance from a SIP user agent attempting to place a call. When initiating a call a SIP user agent will send an INVITE message to the V2IU appliance that will then be forwarded to the primary server. In the event that the primary server fails before a reachability alarm has been declared using the heartbeat messages the user agent will resend INVITE messages until the trigger condition is met. At this point the V2IU appliance will forward the call request on to the secondary server in the list. Please use the following steps to enable redundancy and set triggers:

1.Log into the V2IU appliance using a Netscape or Internet Explorer web browser.

2.Select System.

3.Select Survivability.

4.Enter the Time between DNS lookups (in seconds) in the Softswitch Reachability section of the web page.

5.Select Enable SIP server redundancy in the Softswitch Redundancy Settings section of the web page.

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Contents User Guide V2IU 4300T Converged Network Appliance Trademark Information Contents User Guide V2IU 4300T Converged Network Appliance System Diagnostics Saving and Restoring the 4300T Configuration Upgrading the 4300TContents User Guide V2IU 4300T Converged Network Appliance T1 Wide Area Network WAN Access Router Quality of Service4300T Converged Network Appliance SecurityFuture-proof Scalability Feature SummaryCall Quality Monitoring Front Panel LEDs LED Label Activity DescriptionPower Connector Back PanelErase Button Management console portT1/E1 WAN port Ethernet WAN portUser Guide V2IU 4300T Converged Network Appliance Wall-Mount Installation Physical InstallationDesktop Installation Administration of the 4300T Getting Started User Guide V2IU 4300T Converged Network Appliance Configuring the 4300T Configuration Guide For IP Centrex Applications Configuration Outline Task Subtask Configure For IP Centrex Application?User Guide V2IU 4300T Converged Network Appliance Configuration Guide For Station Side IP PBX Applications Configure For Station Configuration Guide For Trunk Side IP PBX Applications Task Subtask Configure For Trunk Side IP PBX Application? Configuration Guide For Hosted Video Applications Configure For Hosted Configuration Guide For Enterprise Video Applications Configure For Hosted System Configuration Configure the LAN InterfacePress Submit Configuring the 4300T Modify an Existing Vlan Configuration Configure the WAN Interface User Guide V2IU 4300T Converged Network Appliance Frame Relay Mode and Dlci Configure the Dhcp Server Mask Select Dhcp Server Uncheck the Enable Dhcp Server checkbox Configure Hostname, Snmp and Remote Logging Disable Snmp Configure a local Hostname VoIP Configuration Change the Administration PasswordConfigure the VoIP ALG Performs a Tftp server relay function Configure VoIP Subnet Routing Enter a VoIP Subnet Route Configure IP Phones, IADs or Softphones Data Networking Configuration NAT for Data TrafficProtocolPublicIPAddress/netmask-portPrivateIPAddress-port Static IP routing Firewall Configuration Enable or disable the firewall Action Description Input format Traffic Management Configuration Enable Traffic Shaping Optionally enable priority IP addresses Enable CACCloser Look at Traffic Management in the 4300T Classifying Upstream Traffic ManagementDownstream Traffic Management VoIP Survivability Configuration Key benefits and features of VoIP survivabilityHow survivability works Configuring VoIP Survivability in V2IU Appliances Platform SupportEnable VoIP Survivability Specify the number of digits to use for local dialing Configuring the 4300T Configure call processing server redundancy Configuring the 4300T User Guide V2IU 4300T Converged Network Appliance System Diagnostics Viewing the ALG registration code Viewing Networking InformationRouting Information Viewing Advanced System Information Accessing Troubleshooting Tools Passive Voice Call MonitoringVerify Registered Voice and Video Devices Performing a Ping Test Restarting Networking Processes Saving and Restoring the 4300T Configuration Ewn CommandCreate a Backup File and Save in Local Flash Copy a Backup File to a Remote Tftp ServerDownload a Backup File from a Remote Tftp Server List the Available Backup FilesDelete a Backup File User Guide V2IU 4300T Converged Network Appliance Upgrade Procedure for Software Revision 1.3.11 or Later Upgrading the 4300TUser Guide V2IU 4300T Converged Network Appliance Troubleshooting Tips AppendixSpecifications Neighboring Path Navigator Gatekeeper support ExampleCloud Configuration Neighboring Gatekeeper Neighbors Add Endpoints Path Navigator On the Path Navigator GK A, setup two Neighboring Gatekeeper Network Settings VoIP ALG H323 Settings Appendix Configuration -- Neighboring Gatekeeper -- Neighbors -- Add Network Settings VoIP ALG H323 settings Appendix V2IU C VoIP ALG H323 Settings User Guide V2IU 4300T Converged Network Appliance Appendix Endpoints Path Navigator Regulatory Notices Other Rights and Limitations Regulatory Notices Warranty and Warranty Exclusions Regulatory Notices Miscellaneous Regulatory Notices User Guide V2IU 4300T Converged Network Appliance Regulatory Notices User Guide V2IU 4300T Converged Network Appliance FCC Part 15 Notice Industry Canada IC Notice Warranty and Repair Service Center

4300T specifications

The Polycom 4300T is an innovative communication device designed for businesses seeking reliable and high-quality audio conferencing solutions. As part of Polycom's renowned lineup of voice communication products, the 4300T delivers superior sound quality, making it an essential tool for any professional environment.

One of the standout features of the Polycom 4300T is its Acoustic Fence technology, which effectively eliminates background noise, allowing participants to focus on the conversation without distractions. This feature is particularly beneficial in open office settings where ambient noise can be a significant barrier to clear communication.

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Another remarkable characteristic of the Polycom 4300T is its exceptional audio quality achieved through the use of Wideband technology. This allows for crystal-clear voice transmission, making conversations more natural and easy to follow. The device also features a built-in speakerphone, which adds to its versatility, allowing for hands-free communication in smaller conference rooms or personal office spaces.

The 4300T supports both SIP and H.323 protocols, enabling compatibility with a wide range of communication systems and platforms. This flexibility is crucial for organizations that utilize different software and hardware for their communication needs, as it simplifies integration into existing infrastructures.

Moreover, the Polycom 4300T is built to deliver durability and longevity. Its robust design ensures that it can withstand the rigors of daily use in busy corporate environments. The device is also energy-efficient, making it an environmentally friendly choice that helps businesses save on energy costs.

In conclusion, the Polycom 4300T is a formidable audio conferencing solution that combines advanced technologies, user-friendly features, and durability. Its Acoustic Fence technology, exceptional audio quality, multi-device connectivity, and compatibility with various protocols make it an invaluable asset for businesses aiming to enhance their communication capabilities. Investing in the Polycom 4300T ensures that organizations can conduct clear, effective meetings, fostering collaboration and productivity among teams.
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