Phone and its usage is a very important of everyone regardless of  user age. Why not it would be, as according to experts, future is full of mobile technology. Everything would be able to done by phone, purchasing, ordering, paying bills and many more. VoIP calls is also one of the known feature that can be use on a cell phone and using this we can make free calls to all around the world from our mobile phones without spending operator's minutes. 

Hoewever, here will discuss about an online telecom service which provides unlimited free calls to Philippines. Be reminded that Philippines is one of the costly countires in terms of phoen call charges. This is basically 30-day trial period where you can make unlimited calls to Philippines.

This VoIP based provider name is Air4 Communiactions. It also offers several calling plans for calling Philippines and different part of the world's destinations. The free calling plans are, Free PLDT Landline, PLDT Landline plus, SUN and Globe:

Here is how you can avail 30-day free calls to Philippines:

  • First step is go to their site HERE and sign-up.
  • After successful registration you will get 20 min per day.
  • Now you can make unlimited free calls.

Air4 will also provide you SIP details through your email. SIP is basically a technology which we normally use for voice communication through Internet. So what you can do with these settings now, you can configure a soft client on your PC or you can use these settings in your mobile phone and make free calls through your mobile with spending your money. Actually most of mobile support SIP. 

Here are the SIP settings that you can use on your PC or mobile phone:

User ID: "your username" 

Password: "your password" 

server name: voip.air4.ca 

port number: 5060 

So if you want to use this on your PC, i'd suggest you can use SJphone or Xlite free program, these are free softwares with SIP support. If you want to use on mobile phone then you may use it on iphone, iPad, Android phones and Blackberry.

You and also extend your free trial period to next 30 days but selecting "renew" option in your Air4 account. You may asked for 5 email addresses reference.

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