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Telenor sells operations in Hungary, Bulgaria, Montenegro and Serbia for €2.8bn
Mexico to become the first country to allocate 600MHz band for 5G
London borough signs up with two rival gigabit fibre providers
Globenet’s Columbian data centre achieves sustainability certification
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Telefónica and Huawei launch a suite of big data products
a range of digital signals that can be carried on a Sonet fibre-optic network.
Orthogonal frequency division multiplexing
Calls carried in part on a network but destined for termination on another network.
Optical line termination (see ONU)
Open Mobile Alliance
Optical network unit:
a device that terminates an optical circuit at the customer premises, curb or neighbourhood.
Open access (duct)
Where retail or wholesale service providers share the use of a duct network by drawing or blowing their fibre cables through the shared ducts, and then compete on services.
Open access (fibre)
By connecting at the physical layer interface, multiple retail or wholesale service providers can use the same FTTH network and compete to offer their services.
Open access (packet)
Where multiple retail service providers share the FTTH network by connecting at a packet layer interface and then compete to offer their services.
Open access (wavelength)
Where multiple retail or wholesale service providers may use the FTTH network by connecting at a wavelength layer interface and compete to offer their services.
The GSMA Open Connectivity Programme was established in 2005 to facilitate easier and quicker interworking and roaming between GSM operators.
Open Systems Interconnection reference model that organises the communications process into seven distinct and sequenced layers.
Open service provider network (Dynamic City):
separates the infrastructure owner (the municipality or more commonly, a partnership between the municipality and private investors) from the wholesale operator of the infrastructure.
Operations support subsystem
Optical time domain reflectometer:
a measurement device used for testing the accuracy of fusion splices in a fibre-optic network.