barablu - Barablu lets you make free VoIP calls to other barablu contacts using your phone's WiFi connection. You can also make low-cost calls and send cheap SMS to GSM and landline phones.
In addition, the app lets you chat with other people all over the world using popular IM services
AVT Mobile - AVT Mobile is a convenient way to make cheap international calls. No need to memorize international numbers, or scratch cards. No need for WiFi or stable 3G. All you have to do is choose your international destination number and AVT Mobile will make a local call instead. It's that simple!
Please note that AVT Mobile is not a SIP application
joip mobile for iPhone - Download the joip mobile application to your smartphone and start placing calls. joip mobile is available for existing users.
What's New in This Release:
· iOS 6
iSipSimple - iSipSimple is a SIP client for iPhone and iPod touch. With it, you can make cheap VoIP calls via WiFi using any VoIP provider. You can also setup the SIP server in your own organization
iFreeje - it’s an application for cheap international calls from iPhone which is great for tourists, people living abroad and people who need to call abroad.
Freeje application allows you to get free callbacks to Skype from iPhone outside Wi-Fi zones and to top-up using the application
iSipiPhone, iPad, iPod Touch, Apple iPhone OSVersion: 4.9.1 updated Upload date: 19 Jun 13 Tags: Internet & Communications
Commercial 5.99 $
iSip (formerly known as SipPhone) is the first native SIP/VoIP application for iPhone. All calls are made directly to the SIP provider, no middle-man like customized proxy involved, so no voice delay and call quality is excellent.
iSip supports Apple's push notification service, so you can receive the notification message about new incoming call anywhere
Acrobits Softphone for iPhone is a reliable and highly customizable SIP Client for iPhone. It features push notifications, multitasking, Google Voice integration, and more.
Please note that Acrobits Softphone is a SIP Client, not a VoIP service. You must have service with a VoIP provider that supports use on a standard SIP client to use it
Media5-fone Pro for iPhone - The Media5-fone is a softphone application for iPhone, iPod Touch and iPad. It is a SIP Client which enables users to make and receive VoIP calls. VoIP calls are calls established over a Wi-Fi or 3G connection using the IP technology of the Media5-fone
Bria iPhone Edition - CounterPath, the market leader of desktop and mobile VoIP software products and solutions, brings you Bria, iPhone Edition. Bria is an open standards, SIP-based softphone for the iPhone and iPod touch.
Bria iPhone enables you to securely connect and communicate easily and efficiently whether for business or personal use