[7]� Studying the economic Impact of call-back, refiling and inappropriate hubbing and other forms of alternative calling procedures, as well as origin non-identification or spoofing

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[7]� Studying the economic Impact of call-back, refiling and inappropriate hubbing and other forms of alternative calling procedures, as well as origin non-identification or spoofing

	Format	Size	Posted

English	Word �	41346 bytes	2013-05-10	[7]�Revision 1
	Word �	37391 bytes	2013-05-08	[7]�

Arabic	Word �	55668 bytes	2013-05-29	[7]�Revision 1

Espa�ol	Word �	44536 bytes	2013-05-28	[7]�Revision 1

Russian	Word �	49778 bytes	2013-05-23	[7]�Revision 1

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Document :	ITU-T�SG 3� (Study Period 2013)� Contribution� 7
Title :	Studying the economic Impact of call-back, refiling and inappropriate hubbing and other forms of alternative calling procedures, as well as origin non-identification or spoofing
Date :	2013-05-08
Source :	Egypt , National Telecommunication Regulatory Authority (NTRA)
AI/Question :	Q3/3
Meeting :	2013-05-27
Access :	Restricted to TIES users�[ITU-T]

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