During the 15-year period, the fixed telephony company marked many investments in network improvement, and in the offering of new services.
OTE acquires an initial 35% stake in RomTelecom, the incumbent telephony company in Romania.
In 2008 Vyke Communications PLC took over Callserve, a telephony company with similar solutions to those of Vyke and years of experience in the industry.
Freshtel Holdings Limited is an Australian telephony company developing and marketing Voice over IP products and services.
Zennström's most notable success to date is Skype, a telephony company based on peer-to-peer principles.
The new companies were the long distance operator Embratel, three fixed line regional telephony companies and eight cellular companies.
The first industries to use data analysis techniques to prevent fraud were the telephony companies, the insurance companies and the banks (Decker 1998).
Telenor holds a 49% stake in DiGi Telecommunications, Malaysia's third largest mobile telephony company.
Telenor holds an indirect position in DTAC, a mobile telephony company in Thailand.
Does it intend to prohibit software suppliers from installing listening software in mobile telephony companies without the prior authorisation of national authorities and without informing subscribers?