If you have associated mobile Internet with writing e-mail, browsing Internet on your mobile phone you can easily get hooked on cheap VoIP calls on your mobile phone as well. All you need is a new generation mobile phone with SIP support.

Mobile SIP protocol provides a new way of using your mobile phone by routing calls over the internet rather than via traditional mobile operators - thus cutting out the middle man and saving you money.

Mobile VoIP over SIP works wherever you have access to the internet via Wi-Fi or over 3G- and the availability of wireless connectivity is absolutely booming.

Mobile VoIP means being able to make free phone calls to other VoIPonMobile users or very cheap phone calls to anyone else in the world from your mobile phone.

This can mean your home, office, public areas or commercial hotspots (coffee shops, airports etc). You will be able to make free or VoIP-rate calls from your sofa or when visiting friends with Wi-Fi. Similarly, Mobile VoIP calls can be made from your office and other workplaces you visit.

Now with 3G, if you've got an unlimited (or 'all-you-can-eat') data tariff -but do note that cost, quality and availability of 3G services vary enormously- it is possible to talk for free walking down the street, it is also possible to run up a huge bill this way. Be sure to check both that your operator allows this and what your tariff is - especially when you're roaming overseas

What phones does it work on?

To use Mobile VoIP, you need an Internet-enabled mobile phoner with 3G Internet access from your operator or via Wifi. Mobile VoIP currently supports more than 1000 types of mobile phones and are constantly adding support for new models with Mobile SIP support. To check if you phone supports Mobile VoIP click on the model of the mobile phone you have.

Android Phones with SIP Apps

Android is already makings its way into your phones and there are more and more android phones coming up in the market. Now you can start using your Anroid phone for Mobile VoIP calls using new powerful Android SIP VOIP clients.

Click here to learn more about Android Phones that you can use VoIP.

Nokia SIP Phones

Nokia has long been a leader in Mobile VoIP technology. When you select Nokia SIP phones you are taking a big step forward in giving yourself the best that Internet telephony technology has to offer. With a wide selection of phone models to choose from, Nokia SIP phones with VoIP support will provide you with high sound quality and reliable performance.

Whether you choose a Nokia SIP phone that comes pre-loaded with VoIP software or a model that requires a simple software download, you will be on your way to enjoying crystal clear communications for a fraction of the cost.

Click here to learn more about Nokia SIP Phones.

Windows Mobile SIP Phones

There are huge number of Windows Mobile users who still never used VOIP due to multiple incompatibility issues in the past.

Actually Windows Mobile 6 has the capability of SIP which the operators do not enable. This feature is called Internet Calling and once this features is enabled you can start making VoIP calls with your Windows Mobile SIP phone.

Some of the Windows Mobile 6 phones that support VoIP calls are HTC, Samsung, Motorola, i-Mate, LG, Palm, Sony-Ericsson.

Click here to learn more about Windows Mobile SIP Phones.

iPod Touch, iPad and iPhone VoIP with SIP Apps

With a choice of SIP apps available now for iPhone, IPod Touch and iPad, there’s literally no limit to the number of calls that can be made for free or at a massively reduced rate.

Click here to learn more about iPhone VoIP.

SIP Client Apps

There are several software developers that have released voip apps or SIP clients for making phone calls with the iPhone. Below you can find iPhone and Android SIP Client apps that are tested with VoIPonMobile.


Features of the Acrobits Softphone client include push notifications on incoming calls, bluetooth headset and speaker phone support, call recorder and player, multiple SIP account support, phone contacts integration and a detailed call history. It is easily set up by the user and offers a logical layout. The Acrobits Softphone app can be downloaded from iTunes or Android market with WiFi and 3G network capability and costs $ 6.99.

Click here to learn more about Acrobits.


Bria softhpone from Counterpath is a SIP-based phone for Apple iPhone, iPod touch, iPAD and Android phones that uses a Wi-Fi or 3G connection to make and receive calls. Using phone's existing contact list, Bria iPhone Edition facilitates easy and effective communication management with an intuitive interface that accommodates multiple calls. Call functionality includes the ability to swap between two calls, merge and split calls and perform attended and unattended transfers. Bria iPhone Edition incorporates advanced security settings which allow for secure call signalling and audio encryption. It also contains enhanced audio features including G.711, G.722, GSM, iLBC and an optional G.729 codec and costs $7.99

You can download Bria Softphone app from Apple Store or Android Market

Click here to learn more about Bria.


Fring is a free mobile VoIP software for Symbian S60 mobile phones, allows you to talk & IM via your handset's internet connection to other mobile phones and PC-based services with SIP providers such as VoIPonMobile.com, as well as Skype, MSN Messenger, ICQ, Google Talk at no extra cost.

Click here to learn more about Fring.


Nimbuzz is another free mobile VoIP software for Symbian S60 mobile phones, and allows you to talk & IM via your mobile phone's internet connection to other mobile phones and PC-based services with SIP providers such as VoIPonMobile.com, as well as Skype, MSN Messenger, ICQ, Google Talk at no extra cost.

Click here to learn more about Nimbuzz.


Click here to learn about Mobile VoIP pricing & charges >

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