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http://en.wikipedia.org/wiki/Um_interface#Frequency_Correction_Channel_.28FCCH.29http://en.wikipedia.org/wiki/Um_interface#Synchronization_Channel_.28SCH.29http://en.wikipedia.org/wiki/Um_interface#Broadcast_Control_Channel_.28BCCH.29http://en.wikipedia.org/wiki/Um_interface#Common_Control_Channels_.28CCCHs.29http://en.wikipedia.org/wiki/Um_interface#Slow_Associated_Control_Channel_.28SACCH.29http://en.wikipedia.org/wiki/Um_interface#Fast_Associated_Control_Channel_.28FACCH.29http://en.wikipedia.org/wiki/Um_interface#Standalone_Dedicated_Control_Channel_.28SDCCH.29http://en.wikipedia.org/wiki/Um_interface#Dedicated_Control_Channels_.28DCCHs.29http://en.wikipedia.org/wiki/Um_interface#Half-rate_channels_.28TCH.2FH.29http://en.wikipedia.org/wiki/Um_interface#Full-rate_channels_.28TCH.2FF.29http://en.wikipedia.org/wiki/Um_interface#Traffic_channels_.28TCH.29http://en.wikipedia.org/wiki/Um_interface#Um_logical_channelshttp://en.wikipedia.org/wiki/Um_interface#Network_Layer_.28L3.29http://en.wikipedia.org/wiki/Um_interface#Data_Link_Layer_.28L2.29http://en.wikipedia.org/wiki/Um_interface#Codinghttp://en.wikipedia.org/wiki/Um_interface#Multiplexing_and_timinghttp://en.wikipedia.org/wiki/Um_interface#Radio_modemhttp://en.wikipedia.org/wiki/Um_interface#Physical_Layer_.28L1.29http://en.wikipedia.org/wiki/Um_interface#Um_layershttp://en.wikipedia.org/wiki/Um_interfacehttp://en.wikipedia.org/wiki/GPRShttp://en.wikipedia.org/wiki/ISDNhttp://en.wikipedia.org/wiki/U_interfacehttp://en.wikipedia.org/wiki/Base_transceiver_stationhttp://en.wikipedia.org/wiki/Mobile_phonehttp://en.wikipedia.org/wiki/GSMhttp://en.wikipedia.org/wiki/Air_interfacehttp://en.wikipedia.org/wiki/Wikipedia:WikiProject_Fact_and_Reference_Checkhttp://en.wikipedia.org/wiki/Wikipedia:Citing_sources#Inline_citationshttp://en.wikipedia.org/wiki/Wikipedia:External_linkshttp://en.wikipedia.org/wiki/Wikipedia:Citing_sourceshttp://en.wikipedia.org/wiki/Wikipedia:WikiProjecthttp://en.wikipedia.org/wiki/Template:Expert-subject

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http://en.wikipedia.org/w/index.php?title=Um_interface&action=edit&section=3http://en.wikipedia.org/wiki/Time_division_multiple_accesshttp://en.wikipedia.org/wiki/Physical_layerhttp://en.wikipedia.org/w/index.php?title=Um_interface&action=edit&section=2http://en.wikipedia.org/wiki/OSI_modelhttp://en.wikipedia.org/w/index.php?title=Um_interface&action=edit&section=1http://en.wikipedia.org/wiki/Um_interface#External_linkshttp://en.wikipedia.org/wiki/Um_interface#Further_readinghttp://en.wikipedia.org/wiki/Um_interface#See_alsohttp://en.wikipedia.org/wiki/Um_interface#Anonymization_of_subscribershttp://en.wikipedia.org/wiki/Um_interface#Um_encryptionhttp://en.wikipedia.org/wiki/Um_interface#Authentication_of_subscribershttp://en.wikipedia.org/wiki/Um_interface#Um_security_featureshttp://en.wikipedia.org/wiki/Um_interface#Mobile-Terminated_SMS_.28MT-SMS.29http://en.wikipedia.org/wiki/Um_interface#Mobile-Originated_SMS_.28MO-SMS.29http://en.wikipedia.org/wiki/Um_interface#SMS_transfer_on_Umhttp://en.wikipedia.org/wiki/Um_interface#Call_clearinghttp://en.wikipedia.org/wiki/Um_interface#Mobile-Terminating_Call_.28MTC.29_establishmenthttp://en.wikipedia.org/wiki/Um_interface#Mobile-Originating_Call_.28MOC.29_establishmenthttp://en.wikipedia.org/wiki/Um_interface#Location_updatinghttp://en.wikipedia.org/wiki/Um_interface#Radio_channel_establishmenthttp://en.wikipedia.org/wiki/Um_interface#Fundamental_Um_transactionshttp://en.wikipedia.org/wiki/Um_interface#Allowed_channel_combinationshttp://en.wikipedia.org/wiki/Um_interface#Random_Access_Channel_.28RACH.29http://en.wikipedia.org/wiki/Um_interface#Access_Grant_Channel_.28AGCH.29http://en.wikipedia.org/wiki/Um_interface#Paging_Channel_.28PCH.29

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http://en.wikipedia.org/wiki/Training_sequencehttp://en.wikipedia.org/wiki/Time_division_multiple_accesshttp://en.wikipedia.org/w/index.php?title=Beacon_Channel&action=edit&redlink=1http://en.wikipedia.org/wiki/ARFCNhttp://en.wikipedia.org/wiki/GSM_frequency_bandshttp://en.wikipedia.org/wiki/GSM_frequency_bandshttp://en.wikipedia.org/wiki/EDGE#Transmission_techniqueshttp://en.wikipedia.org/wiki/GMSK

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http://en.wikipedia.org/w/index.php?title=Um_interface&action=edit&section=7http://en.wikipedia.org/wiki/Link_Access_Procedures,_D_channelhttp://en.wikipedia.org/wiki/LAPDmhttp://en.wikipedia.org/wiki/Data_link_layerhttp://en.wikipedia.org/w/index.php?title=Um_interface&action=edit&section=6http://en.wikipedia.org/wiki/Interleaverhttp://en.wikipedia.org/wiki/Convolutional_codehttp://en.wikipedia.org/wiki/Block_codehttp://en.wikipedia.org/wiki/Forward_error_correctionhttp://en.wikipedia.org/w/index.php?title=Um_interface&action=edit&section=5http://en.wikipedia.org/wiki/OCXOhttp://en.wikipedia.org/w/index.php?title=Um_interface&action=edit&section=4

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http://en.wikipedia.org/w/index.php?title=Um_interface&action=edit&section=10http://en.wikipedia.org/wiki/B_channelhttp://en.wikipedia.org/w/index.php?title=Um_interface&action=edit&section=9http://en.wikipedia.org/w/index.php?title=Um_interface&action=edit&section=8http://en.wikipedia.org/wiki/Mobile_switching_centre_serverhttp://en.wikipedia.org/wiki/Q.931http://en.wikipedia.org/wiki/Call_controlhttp://en.wikipedia.org/wiki/GSM_core_network#Home_Location_Registerhttp://en.wikipedia.org/wiki/GSM_core_network#Visitor_Location_Registerhttp://en.wikipedia.org/wiki/Mobility_managementhttp://en.wikipedia.org/wiki/Base_station_controllerhttp://en.wikipedia.org/wiki/Radio_Resource_Managementhttp://en.wikipedia.org/wiki/Network_layer

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http://en.wikipedia.org/wiki/Handoffhttp://en.wikipedia.org/w/index.php?title=Blank-and-burst&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Blank-and-burst&action=edit&redlink=1http://en.wikipedia.org/w/index.php?title=Um_interface&action=edit&section=14http://en.wikipedia.org/wiki/SMShttp://en.wikipedia.org/w/index.php?title=Um_interface&action=edit&section=13http://en.wikipedia.org/wiki/D_channelhttp://en.wikipedia.org/w/index.php?title=Um_interface&action=edit&section=12http://en.wikipedia.org/wiki/Half_Ratehttp://en.wikipedia.org/w/index.php?title=Um_interface&action=edit&section=11http://en.wikipedia.org/wiki/Circuit_Switched_Datahttp://en.wikipedia.org/wiki/Faxhttp://en.wikipedia.org/wiki/Speech_codechttp://en.wikipedia.org/wiki/Adaptive_Multi-Ratehttp://en.wikipedia.org/wiki/Adaptive_Multi-Ratehttp://en.wikipedia.org/wiki/Enhanced_Full_Ratehttp://en.wikipedia.org/wiki/Full_Rate