Continuing the discussion on VOIP in developing countries and in particular in Pakistan, this post looks at the issues with regulating VOIP and the Grey telephony market. Pakistan Telecommunication Authority (PTA) defines Grey telephony as: the use of illegal gateway exchanges to bypass legal PTCL gateways and terminate/originate international traffic, including through VoIP gateways, GSM gateways, WLL phones, mobile SIMs or other related equipment. This traffic may then be distributed onwards using WLL and mobile numbers. It is claimed that gery telephony costs losses of over Rs. 3 billion annually.

More of the post is here.