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100   $a20130201d2013      ua             0
101 0 $aeng
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181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aVoice over Internet Protocol (VoIP) and the future of 9-1-1 services $ehearing before the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Tenth Congress, first session, April 10, 2007
210  1$aWashington :$cU.S. Government Printing Office,$d2013.
215   $a1 online resource (iii, 67 pages) $cillustrations
225 1 $aS. hrg. ;$v110-1190
300   $aTitle from title screen (viewed on February 1, 2013).
300   $aPaper version available for sale by the Superintendent of Documents, United States Government Printing Office.
517   $aVoice over Internet Protocol 
606   $aTelephone$zUnited States$xEmergency reporting systems
606   $aEmergency communication systems$zUnited States
606   $aInternet telephony$zUnited States
615  0$aTelephone$xEmergency reporting systems.
615  0$aEmergency communication systems
615  0$aInternet telephony
801  0$bGPO
801  1$bGPO
801  2$bGPO
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912   $a9910704339003321
996   $aVoice over Internet Protocol (VoIP) and the future of 9-1-1 services$93515646
997   $aUNINA