Snom 4S manual Architecture

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[ S N O M 4 S N A T F I L T E R ]

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22 • Architecture

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Contents Snom 4S NAT Filter Admin Manual Snom 4S NAT Filter Version Table of Contents Snmp Overview Features ApplicationsSnom technology AG Overview Architecture NAT Filter and SIPNAT How does NAT work? Signalling SIPSymmetrical RTP Media RTP Classiﬁcation of User AgentsProbing Media Paths Role of the NAT FilterOptimizing the Media Path for Symmetrical NATSBC Behaviour RegisteringRTP Relay Snom technology AG Scaling and Redundancy NATDetecting the right NAT Filter Non NAT-Aware User Agents Requirements on User AgentsSTUN/ICE-Aware User Agents Deﬁning the Maximum Session Time Architecture Installation WindowsInstallation Snom technology AG Installation Snom technology AG Linux Rpm -ihv snomnatf-2.10.*.rpm Installation Logging Port BindingStandard Port Random Port System Settings LoggingPreparing Recovery General Outound ProxyMedia Relay Media PortsPort Budgets Controlling RoutingMultiple 2xx Handling Trusted Addresses ChallengingMaximum Packet Size Connection Oriented Media Silence SuppressionRemoving Headers Web Server Integration Codec ControlClir Addresses Timeout Settings Register TimeoutsCall Timeouts Security Settings Snom technology AG Outbound Proxy List System Information Server LogTrace Call History Current Ports Currently Handled UA Memory StatisticsConﬁguration Web Server Integration Authentication Interface to the Web ServerSnom technology AG Web Server Integration Registration Call Initiation Snom technology AG Call Termination Snom technology AG Web Server Integration Setup of the SBC Setup of the ToolsAvailable OID OIDSnom technology AG Snmp Checklist for Installation Checklist for Installation Reader‘s Feedback Snom technology AG All rights reserved