Ofcom will now begin a further consultation on those areas, starting at the end of next week.
They know there is an increased risk of regulatory intervention by Ofcom to frustrate the takeover.
"Silent and abandoned calls can cause annoyance and distress to consumers, " said Claudio Pollack of Ofcom.
Ofcom estimates that around 15% of UK residential customers are on such rollover contracts.
Yet there is little precedent to predict how Ofcom's review with BSkyB will play out.
WSJ: Ofcom's Review of BSkyB License, News Corp.'s Stake, Will Be Lengthy
He accused Ofcom of balancing the protection of children's health alongside the "financial health" of broadcasters.
Ofcom added that the number of complaints it was generating had continued to fall.
By March 2009 three million British homes had mobile broadband access according to communications watchdog Ofcom.
TalkTalk remains the most complained about landline and broadband provider, according to UK regulator Ofcom.
The telecoms regulator Ofcom will consult soon on various proposals to make contracts fairer.
"We will look at whether price variation clauses are appropriate at all, " said an Ofcom spokeswoman.
Ofcom has asked ITV to a meeting "to discuss its compliance in this area".
Richard Scudamore, chief executive of the Premier League, criticised Ofcom's decision as "ill-judged and disproportionate".
His colleagues say that he decided nothing without getting the thumbs-up from the media regulator, Ofcom.
News Corp preferred to negotiate undertakings to purge the harm to plurality perceived by Ofcom.
Ofcom also said there would be new rules governing advertising to primary school age children.
BBC: The restrictions focus on foods high in salt, fat and sugar
That said, I do not expect Ofcom to launch an enquiry into this "fit-and-proper" question immediately.
BBC: Scandal could influence Ofcom over News Corp's BSkyB bid
The consultation was first mooted in October, and since then Ofcom has hardened its stance.
"A complete ban on price rises in fixed contracts has also been considered, " said Ofcom.
Ofcom has estimated that up to 900, 000 homes could experience interference with their TV signal.
Ofcom estimates that the average speed for an "up to 20Mbps" package is 6.2Mbps.
Broadcasting watchdog Ofcom has launched an investigation into the incident on ITV1's This Morning.
In the UK, a regulator called Ofcom reported -1% decline in voice minutes in 2011.
It is expected that Ofcom will clarify its stance on net neutrality some time in 2011.
In Ofcom's initial auction plan, it had reserved frequency for licenses for low-power devices.
WSJ: U.K.'s 4G Auction a Missed Opportunity for Real Competition
She said that neither Ofcom or the Civil Aviation Authority (CAA) monitor which airlines have cameras.
BBC: NEWS | UK | England | Southern Counties | Privacy fears over plane cameras
Any decision Ofcom makes could get held up in legal wrangling for months or even years.
WSJ: Ofcom's Review of BSkyB License, News Corp.'s Stake, Will Be Lengthy
Earlier this month, Ofcom announced that it had awarded 19 licences in the first phase.
Last month, Ofcom warned broadcasters about a "growing trend in complaints" about phone-in quizzes.
BBC: MPs have called for greater regulation of TV quiz shows
The other operators are currently bidding for licences in an auction run by telecoms watchdog Ofcom.
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