Nortel Networks IP Phone 1535 manual Conﬁguration of NAT-traversal, Enabling Stun protocol

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32First time installation of the IP Phone 1535

Ping message to the SPS or SLG before sending the REGISTER message.

Note: This option to disable the NAT timer on the IP Phone 1535 is not available in ﬁrmware versions below V.0.2.25. You must install the latest ﬁrmware version (V2.0.76).

NAT-Traversal:The IP Phone 1535 supports two methods of NAT Traversal - the SIP-PING method and the • STUN method. For more information on conﬁguring NAT-Traversal, see "Conﬁguration of NAT-traversal" (page 32).

—End—

Conﬁguration of NAT-traversal

This section provides a description of NAT-traversal on the IP Phone 1535, and its subsequent conﬁguration.

The IP Phone 1535 supports two methods of NAT-Traversal:

•SIP-PING:requires a Border Control Point (BCP) server for the MCS 5100 Release 4.0 and a RTP Media Portal server for MCS 5100 Release 3.5 if it is located behind a NAT/ﬁrewall.

•STUN: The STUN protocol lets a client discover the presence and type of NATs between the client and the public Internet - a STUN server can be located using DNS to lookup the domain information of the service provider.

Enabling STUN protocol

Step Action

1From the Main Menu, select Settings > VoIP Settings > Proxy > STUN > Enable.

2Press OK.

—End—

Conﬁguring the STUN server

Step Action

1From the Main Menu, select Settings > VoIP Settings > Proxy > STUN > STUN Server.

Nortel Communications Servers

Nortel IP Phone 1535 Installation and Commissioning

NN43160-300 02.03 Standard

Release 4.0/SN10 28 October 2009

Copyright © 2009, Nortel Networks

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Contents Nortel IP Phone 1535 Installation and Commissioning Page Revision history OctoberNovember SeptemberRevision history Contents Conﬁguration on a CS 1000 system IP Phone 1535 regulatory information Contents Other changes FeaturesNew in this release New in this release Getting help from the Nortel web site How to get helpContents How to get help About the Nortel IP Phone IP PhoneSafety information IP Phone 1535 shipping box contentDefault factory settings Care of the IP PhoneTechnical speciﬁcations RAM 64 MB SdramDescription of the IP Phone 1535 menu options VoIP Settings menuMultiple language support System Settings menu Using the SD/MMC card To copy ﬁles from the phone to SD/MMC card About the Nortel IP Phone First time installation of the IP Phone Installing the IP Phone 1535 for the ﬁrst timeInstalling the IP Phone 1535 for the ﬁrst time Provision the Communications Server Physically install the IP Phone Installation guidelinesConnect the IP Phone 1535 to a power source Connect the handsetConnect to Pstn Logging in to the IP Phone 1535 Admin ModeAttach the IP Phone 1535 to the stand Connecting the IP Phone 1535 to the LAN Enabling the LAN connection proﬁleAccessing and modifying the LAN Network Settings Parameter DescriptionEnabling the WiFi connection proﬁle Access and modify Wireless Settings EssidModifying User Information parameters Modifying Proxy parameters Conﬁguring the Stun server Conﬁguration of NAT-traversalEnabling Stun protocol Conﬁguring VoIP domain name information Modifying port assignmentsRegistering the IP Phone Registration and select Registration Statistics First time installation of the IP Phone Conﬁguration on a CS 1000 system Limitations38 Conﬁguration on a CS 1000 system IP Phone 1535 system software updates Checking for available IP Phone 1535 software updatesInitiating manual software updates for the IP Phone FTP software update process Provisioning the FTP update serverConﬁguring the FTP server login account Provisioning the FTP server directory structureFTP software update ﬁles Handling the FirmwareUpdateRequest.acfg ﬁleIP Phone 1535 system software updates Provisioning the FTP update server Sample FTP server directory structure De-Registering the IP Phone Additional conﬁguration using the VoIP Settings menuRegistration option Misc. Miscellaneous conﬁguration option Accessing and modifying Call Total Bandwidth Ctbw Ports For more information, see Modifying port assignmentsModifying Codec Priority lists Conﬁguring VoIP Voice Mail Enter the Number associated with your voice mail. Press OKConﬁguring the Mailbox ID Modifying the Date and Time Additional conﬁguration using the System Settings menuAccessing and activating the Reset function Accessing the Technical Features conﬁguration option Accessing the Technical Features conﬁguration option Additional conﬁguration using the System Settings menu Conﬁguring Email Conﬁguring IP Phone 1535 Email account informationEmails containing phone number strings IP Phone 1535 Camera Enabling and disabling the CameraIP Phone 1535 Camera Troubleshooting Known issuesBasic troubleshooting Troubleshooting connectivity issuesTroubleshooting Regulatory information and disclaimers IP Phone 1535 regulatory informationIP Phone 1535 emissions statement Regulatory and safety information EMC compliance Jurisdiction Standard DescriptionUSA-FCC Federal Communications Commission statement Telecom requirements for both Canada and USA FCC Interference statementCompliance statement for Canada Telecom requirements for both Canada and USA IP Phone 1535 regulatory information Page Nortel IP Phone 1535 Installation and Commissioning