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6    VoIP subscriber gateways 
4.2.4 ‘WLAN’ submenu ......................................................................................................................................................... 79 
4.2.5 ‘Netstat’ submenu ....................................................................................................................................................... 80 
4.2.6 ‘IPtables’ submenu ...................................................................................................................................................... 81 
4.2.7 ‘Diagnostic’ submenu .................................................................................................................................................. 81 
4.2.8 ‘Telephony’ submenu .................................................................................................................................................. 82 
4.2.9 ‘Call History’ submenu ................................................................................................................................................. 84 
4.3 ‘Log’ menu ...................................................................................................................................................................... 87 
4.3.1 ‘Syslog Settings’ submenu ........................................................................................................................................... 87 
4.3.2 ‘Syslog’ submenu ......................................................................................................................................................... 88 
4.3.3 ‘Kernel’ submenu ......................................................................................................................................................... 89 
4.4 Reboot of the device. ’Reboot’ menu ............................................................................................................................. 89 
5 ADDED SERVICE USAGE .......................................................................................................................................................... 90 
5.1 Call transfer .................................................................................................................................................................... 90 
5.2 Call Waiting ..................................................................................................................................................................... 92 
5.3 Three-way conference call .............................................................................................................................................. 93 
5.3.1 Local conference .......................................................................................................................................................... 94 
5.3.2 Remote conference ..................................................................................................................................................... 95 
6 AUTOPROVISIONING PROCEDURE OPERATION ALGORITHM VIA DHCP ................................................................................ 96 
APPENDIX 1. VOICE MENU USAGE FOR GATEWAY SETTINGS ................................................................................................... 98 
APPENDIX 2. USAGE OF WIZARD MENU ................................................................................................................................... 99 
ACCEPTANCE CERTIFICATE AND WARRANTY .......................................................................................................................... 102