Opposition Leader Tony Abbott says he hopes the appointment of Malcolm Turnbull as communications spokesman will help convince key independent MPs to dump Labor and switch sides.

Mr Abbott is foreshadowing his tactics for the coming months after yesterday revealing a frontbench line-up which he described as "hungry" to hold the minority Government to account.

He has flagged the Government's broadband policy - one of the areas crucial in swinging at least one independent towards supporting Labor - as a major battleground over the next 18 months.

Mr Turnbull has now been brought back to the frontbench as communications spokesman and has been told by Mr Abbott to "demolish" Labor's broadband policy.

Labor holds a wafer-thin majority of just one vote and will need to negotiate with the Greens and three independents in order to keep the Government running.

When asked on AM this morning if he would try to convince the independents to do an about-face, Mr Abbott replied: "I think that's what we should be doing".

"With someone like Malcolm in charge of communications policy, in charge of exposing the waste and extravagance inherent in the Government's broadband plans, that becomes a very real prospect.

"I don't think we need another election. What I think we need is a good government, and what I think is pretty obvious is that we're not going to get government from the Labor Party."

Prime Minister Julia Gillard has dismissed any threat from the Coalition over broadband.

"Tony Abbott does not have a broadband policy, full stop," she told Melbourne ABC Local Radio this morning.

"And critical to the decision making of the independents was the power of broadband to transform regional communities."

And independent MP Tony Windsor says he doubts he would be swayed to change his mind on just one issue.

"I won't be pushing the Government out of power over one particular issue or another," he told NewsRadio.

"They'll have to either perform very badly or be in some situation of maladministration or corruption. I'm not contemplating changing my mind just yet."

Mr Turnbull was installed by Mr Abbott to the communications portfolio after some within Coalition ranks admitted that it had not sold its alternative policy well enough during the election campaign.

The former opposition leader wasted no time in attacking the Government's $43 billion National Broadband Network saying it will be worth a "mere fraction" of that once it has been built.

Speaking on Radio National today, Mr Turnbull said it would be up to the independents to decide whether or not they will stick with Labor.

"I guess only time will tell, it has happened before," he said.

"If they decide to change their mind that's a matter for them. The last thing the independents would want is another election."

The Opposition supports spending much less money than the Government to attract private investment to supply around 90 per cent of homes with broadband through a range of technologies.

Mr Turnbull said yesterday that while the policy was better than Labor's, all Coalition policies would now be up for review in the wake of its election loss.