The shares of telecom stocks have received a plunge as the Telecom Ministry is planning to issue a show-cause notice to five operators for reporting under performance and revenue. The operators who have become the subject of Ministries scrutiny include Tata, Vodafone, RCom, Bharti and Idea.

There seems to be tough time ahead of AT&T, as a federal judge has accepted the request to freeze the deal of acquiring T-Mobile USA Inc. This comes as nothing less than a shocker for the company as they were expecting to get some breather this time.

UK mobile phone operator O2 is trialing a Voice over IP (VoIP) service, called O2 Connect, which allows iPhone and Android handsets to make calls to mobile phones as well as landlines for free.

Currently available only to a small number of the invite-only customers, the new VoIP service requires the downloading of the Connect application and a WiFi hotspot.

Telecoms regulator Ofcom has chastised internet service provider TalkTalk over complaints of persistent silent calls, and warned that it could slapped with a fine of up to £2 million for harassing the customers.

First morning of this week was not usually pleasant for the BlackBerry users around the world, as a rare technical glitch pulled the services down. The effect was being experienced by users in Europe, the Middle East and Africa, India, Brazil, Chile, and Argentina, as they failed to avail services of sending mails and instant messaging and other internet facilities.

Orange customers in the UK will be able to use T-Mobile's 3G network and vice versa, starting next week, Everything Everywhere confirmed.