Did you know that by entering a shortcode on most Android phones, you can access a hidden menu which gives you a lot of information about the network and device, including radio frequency used (ARFCN) and signal performance?
Have you ever dreamed of a free Q&A website where you will be able to get expert advice on telecommunications topics? The Telecommunications Q&A site on StackExchange will be for pros sharing questions and solutions within the field of fixed and mobile telcos: engineers working for MNOs or ISPs, experts working for equipment vendors, experts working in telecom regulation and international standardization bodies.
More and more operators are announcing the shutdown of their 2G network, in a move to reallocate the spectrum for data services on 4G and better utilize the resource to deliver content to their subscribers. Telstra in Australia will be the next in line in December 2016, and many other operators are scheduled for 2017.
You probably heard this strange robotic noise from your speakers when a cellphone was nearby and about to receive a call or an SMS. But do you know why this audible noise interference happens and why the sequences of buzz is always exactly the same?