Optimum Telecom [SEP] industry
Djezzy
Djezzy (Arabic:جازي) is Algeria's principal mobile network operator, with a market share of 65% (over 16.49 million subscribers in December 2016) and a network covering 90% of the population (48 wilayas). Djezzy was a subsidiary of the Egyptian company Global Telecom Holding. It acquired Algeria's second GSM license on 11 July 2001, with a bid of $737 million, and was officially launched on February 15, 2002. 
In January 2015, the National Investment Fund (FNI)
TV/IO Digital Cable), and VoIP (Optimum Voice) phone service (the eighth-largest telephone provider in the U.S.) through its Optimum brand name. Cablevision also offered a WiFi-only mobile phone service dubbed Freewheel.
On June 21, 2016, Cablevision was acquired by European telecom conglomerate Altice.
History.
In the mid-1960s, Charles Dolan built a cable system called Sterling Manhattan Cable in the borough of Manhattan and launched Home Box Office (HBO). He ended up selling both the cable