Canon H323 manual Automatic Gain Control, Switching automatic gain control on/off, ∙ Handset AGC =

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4.7 Automatic Gain Control

Automatic Gain Control (AGC) raises the volume when a caller is speaking quietly and lowers the volume when the caller is loud. AGC can be separately switched on or off for the phone handset, headset and speaker.

The AGC settings for all H323 IP phones can also be set through the 46xxsetting.txt file. On some phones it can also be switched on or off through the phone's user menus.

Switching automatic gain control on/off:

1.While the phone is on-hook and idle, press either MUTE 2 4 2 # (MUTE A G C #). The current AGC settings are displayed. Note that these may vary depending on the headset/speaker support provided by the phone model.

∙Handset AGC =

Press the indicated key for the required setting (0 = off and 1 = on) and then press #.

∙Headset AGC =

Press the indicated key for the required setting (0 = off and 1 = on) and then press #.

∙Speaker AGC =

Press the indicated key for the required setting (0 = off and 1 = on) and then press #.

2.The phone should return to it normal idle state.

H323 IP Telephone Installation	Page 60
IP Office Release 6	15-601046 Issue 16a (15 March 2010)

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Contents H323 IP Telephone Installation IP Office ReleaseH323 IP Telephone Installation IP Office Release Contents Page Chapter IP Office H323 IP Phones Page IP Office H323 IP Phones ∙ Network AssessmentWhat is New IP Office ReleaseIP Office Supported Phones System Capacity Extension CapacityCall Capacity IP Office UnitPhone Firmware Simple Installation Installation Requirements Licenses IP500 and IP500 V2 IP Office SystemsOther IP Office Systems Network Assessment ∙ Warning a Network Assessment is Mandatory∙ G711 20ms ∙ G723a 80ms ∙ G729 40ms Voice Compression Call Type Voice Compression Channel UsageInstalling VCM Cards Measuring Channel UsagePotential VoIP Problems 10 QoSUser PC Connection Power Supply Options Spare Wire Power OptionsDedicated Plug-Top Power Supply Units ∙ Avaya 1151D1 Power Supply Unit PSU802.3af Power over Ethernet PoE Options ∙ Avaya 1152A1 Power Distribution Unit Mid-Span Power Unit∙ Power of Ethernet POE Switch ∙ IP Phone Inline AdaptorFile Server Options File Server Description Up toPhones File Auto Generation Transferring Files Using IP Office Manager Control Unit Memory CardPage Chapter Installation Installation ∙ o Dhcp Mode IP Phone Software and Settings Files∙ Secondary Site Specific Option Number IP Office 4.2+ Dhcp ServerAdding Licenses Creating/Editing the Settings File Backup/Restore 1600/9600 Series Phone LanguagesLanguage File Manually Creating Extensions ∙ To switch to static address installation Phone ConnectionStatic Address Installation ∙ Password = Phone Registration∙ Ext. = Extension & User Setup Phone SecurityBackup Restore Http AuthenticationManual Backup/Restore Control Specifying the Bruri ValueSeries Phone Backup File Field DescriptionABKNAMEmmm ABKNUMBERmmmHttp Server Configuration for Backup/Restore Select PropertiesListing Registered Phones Error Messages Chapter Other Installation Options Other Installation Options VPN Remote PhonesInstallation Documentation Supported VPNremote Phone FirmwareProduct Section Title Doc Reference VPNremote PhoneConfiguring the IP Phone for VPNremote Enable VPN Phone AllowedVlan and IP Phones Type Description Advantages DisadvantagesOption Data Vlan Dhcp Settings Voice Vlan Dhcp Settings Vlan and DhcpDhcp Option Description Example setup Overview HP-Switch ConfigurationHP Procurve CLI output Port Vlan Description Voice DataExample System Overview Option ValuePort Vlan 209 Voice Vlan 210 Data Page Chapter Static Administration Options Static Administration Options Entering Data for Administrative OptionsHold vs Mute ∙ 4601, 4602, 5601, 5602 Speaker keyQOS Option Settings Secondary Ethernet Hub/IR Interface Enable/DisableView Details Self-Test Procedure ∙ If self-test passes∙ If self-test fails Resetting a Phone Resetting a PhoneClearing a Phone Setting the Sson on an IP Phone Setting the Sson on IP OfficeSite Specific Option Number Switching automatic gain control on/off Automatic Gain Control∙ Handset AGC = ∙ Headset AGC =Chapter Restart Scenarios Restart Scenarios Boot File Needs Upgrading Correct Boot File and Application File Already LoadedNo Application File or Application File Needs Upgrading Page Chapter Infrared Dialling Infrared Dialling ∙ Dial a Number to Start a Call∙ Swap Text Files During a Call Enabling the IR Port Dialling Phone NumbersPalm Organizer Windows Pocket PCBeaming Files During a Call Chapter Alternate Dhcp Server Setup Alternate Dhcp Server Setup Using a Windows Dhcp Server Windows Dhcp Setup for H323 IP PhonesSelect Start Programs Administrative Tools Dhcp Checking for Dhcp2b. Adding a 242 Option ∙ Data type String ∙ Code2c. Adding a 176 Option Alternate Options Chapter WML Server Setup WML Server Setup What WML is SupportedTesting 4620 WML Browsing Using Xitami Installing the Web ServerConfiguring the Xitami Web Server for WAP IntroductionInstalling Sample WML Pages 4a. Creating a Simple WMLSetting the Home SET WmlportApache Web Server WML Configuration Microsoft IIS Web Server WML Configuration∙ Associated extension wml Open URL Entry Case 1. Input Box Followed by an Anchor TagCase 2. Input Box Followed by an a Tag Case 3. Input Box Followed by a Submit ButtonPage Index 1719,TFTPSRVRAddr AsciiAsdm AvppCD/DVD ConflictLAN DhcpEND of Avaya 4620 IP Phone END of File GENGET WinsVCM IPO LICL2 QOS L2QVLANMime LAN1PWB SN Sson SET Dnssrvr SET Domain SET Smblic SET Wmlcoding AsciiSET Wmlhome SET Wmlport 8000 SsonURL TftpTftpdir Tftpsrvr 47WAP H323 IP Telephone Installation IP Office Release Avaya Inc. All rights reserved