[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

Español	Word	44536 bytes	2013-05-28	[7] Revision 1

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

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]