Snom 4S manual Checklist for Installation

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7.

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

tion tool.

Please tell us the login address (host and port), user name and password. We need administrative rights on that host.

Please tell us for which domains you plan to use the server. Please also tell us where you want to process the requests (which outbound proxy to use for NAT Filter).

Please don’t run too many other services on the host that can de- grade the performance of the server. We recommend using the serv- er only for NAT Filter.

Please tell us which ports you want to use for NAT Filter (SIP, http, https). We recommend not using the standards ports, as they some- times trigger inappropriate actions on immature equipment.

Please set your DNS SRV records for SIP up so that they point to the NAT Filter SIP UDP port. Please don’t use other transport layers than UDP. Do not set up DNS SRV records for TCP or TLS.

References

[1]Rosenberg, J., Schulzrinne, H., Camarillo, G., Johnston, A., Peterson, J., Sparks, R., Handley, M. and E. Schooler, „SIP: Session Initiation Protocol“, IETF, RFC 3261, June 2002, http://ietf.org.

[2]Rosenberg, J., Weinberger, J., Huitema, C., Mahy, R., „STUN - Sim- ple Traversal of User Datagram Protocol (UDP) Through Network Address Translators (NATs)“, IETF, RFC3489, March 2003, http: //ietf.org.

[3]UPnP™ Forum, http://www.upnp.org/

[4]Rosenberg, J.: “Interactive Connectivity Establishment (ICE): A Methodology for Network Address Translator (NAT) Traversal for Multimedia Session Establishment Protocols” (Internet draft), http: //ietf.org/internet-drafts/draft-ietf-mmusic-ice-02.txt

[5]Rosenberg, J., Mahy, R., Huitema, C.: “Traversal Using Relay NAT (TURN)” (Internet draft), http://www.ietf.org/internet-drafts/draft- rosenberg-midcom-turn-05.txt

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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 Signalling SIP How does NAT work?Symmetrical 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 Requirements on User Agents Non NAT-Aware 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 Challenging Trusted AddressesMaximum Packet Size Silence Suppression Connection Oriented MediaRemoving Headers Codec Control Web Server IntegrationClir 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