Nortel Networks 5100 manual Modifying Codec Priority lists

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46Additional conﬁguration using the VoIP Settings menu

Step Action

1Log in to the IP Phone 1535 using the Admin Mode. For more information, see "Logging in to the IP Phone 1535 Admin mode" (page 25).

2From the Main Menu, go to Settings > VoIP Settings > Registration and select Misc. then press OK to accept selection.

3Select CTBW and press OK. The parameters controlling bandwidth usage are now available. Set the bandwidth parameter to a value between the range of 60 and 250 Kb/s. By default, the IP Phone 1535 is set with a CTBW value of 250 Kb/s.

4Press OK to conﬁrm.

—End—

Modifying Codec Priority lists

To set Audio and Video codec priorities (to suit the speciﬁcs of your MCS 5200 setup), use this conﬁguration option.

Conﬁguring the order of Codec Priority:

Step Action

1Log in to the IP Phone 1535 using the Admin Mode. For more information, see "Logging in to the IP Phone 1535 Admin mode" (page 25).

2From the Main Menu, go to Settings > VoIP Settings > Misc. and select Codec Priority. Press OK.

3Select the Codec Type (Audio or Video) to conﬁgured, and press OK.

4Select the priority level, and assign a codec from the list of codecs available:

a.Audio: The IP Phone 1535 supports the following Audio Codec

Types: G.711 u-law,G.711 a-law,G.723, G.729, AMR, or None. You can conﬁgure these Audio codec types in a priority list of up to ﬁve options. Prioritize codecs depending on your network conﬁguration.

b.Video: The IP Phone 1535 supports the following Video Codec

Types: H.263, H.263++ and H.264. You can conﬁgure these

Nortel Multimedia Communications Server 5100

Nortel IP Phone 1535 Installation and Commissioning

NN43160-300 00.13 Preliminary

Release 4.0 22 August 2007

Copyright © 2007, Nortel Networks

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Contents Nortel IP Phone 1535 Installation and Commissioning Page May 25th Revision historyAugust 22nd MayRevision history Contents Conﬁguring Email Copyright 2007, Nortel Networks Contents New in this release FeaturesOther Changes New in this release Contents How to get helpGetting help from the Nortel web site How to get help About the Nortel IP Phone IP PhoneDefault factory settings Safety informationIP Phone 1535 shipping box content Care of the IP PhoneTechnical speciﬁcations RAM 64 MB SdramMultiple Language Support VoIP Settings menuDescription of the IP Phone 1535 menu options 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 Physically install the IP Phone Provision the MCSConnect the IP Phone 1535 to a power source Installation guidelinesConnect the handset Attach the IP Phone 1535 to the stand Logging in to the IP Phone 1535 Admin modeConnect to Pstn Accessing and modifying the LAN Network Settings Connecting the IP Phone 1535 to the LANEnabling the LAN connection proﬁle Accessing and modifying the LAN Network Settings Enabling the WiFi connection proﬁle Access and modify Wireless SettingsAccess and modify Wireless Settings Modifying User Information parameters Modifying Proxy parameters Conﬁguration of NAT-TraversalEnabling Stun protocol Conﬁguring VoIP domain name informationConﬁguring the Stun server Modifying port assignments Registering the IP PhoneStep Action 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 Registration option Additional conﬁguration using the VoIP Settings menu De-Registering the IP Phone 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 Conﬁguring the Mailbox ID Accessing and activating the Reset function Additional conﬁguration using the System Settings menuModifying the Date and Time 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 informationSmtp Server IP Phone 1535 Camera Enabling and disabling the CameraIP Phone 1535 Camera Basic troubleshooting TroubleshootingKnown issues Troubleshooting connectivity issuesTroubleshooting IP Phone 1535 emissions statement IP Phone 1535 Regulatory InformationRegulatory information and disclaimers Regulatory and Safety Information EMC compliance Jurisdiction Standard DescriptionUSA-FCC Federal Communications Commission statement Compliance Statement for Canada FCC Interference statementTelecom requirements for both Canada and USA Telecom requirements for both Canada and USA IP Phone 1535 Regulatory Information Page Nortel IP Phone 1535 Installation and Commissioning

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