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The war of web phone systems

July 16, 2010


The online custom phone applets war has become very intensive. In this article, we list several competitive companies. More companies will be presented in the next article.

Asterisk is an open source, which has the established reputation in web phone field. It powers IP PBX systems, VoIP gateways, conference servers. Asterisk is mainly used for small businesses, large businesses, call centers, carriers and governments. Digium is the main company supporting the Asterisk.

Free VBX is also an open source package. It is built on the top of asterisk. It is aimed to more easily manage asterisk service. It is stated that Free VBX is developed with over thousands of volunteers. Free VBX has been downloaded over 5,000,000 times and used by over 500,000 active phone systems.

Open VBX opened  the source codes to allow users build powerful web phone systems with PHP.  Open VBX uses drag and drop technique to make nicer user interface. It also supports the groups, voice-mail and messaging functions. The backend of the Open VBX is twilio, which is a phone service running in the could. Open VBX also supports business call. You call a local or virtual number, the Open VBX service can dispatch your call to different users.

Cloudvox is similar to Free VBX, which also uses Asterisk platform as the core service.

Ribbit is one of early web phone companies. It is not an open source system, though it has developer APIs. The advantages of Ribbit are that it supports mobile device very well. For example, it supports iPhone, iPad web phone development.

Teleku is similar to Ribbit.  Teleku also supports Asterisk well. However, it is not sure how well it supports mobile platform.

10 Comments leave one →
  1. susie permalink
    July 16, 2010 11:17 pm

    Are there any open source software that provides free pc to landline or cell phone call service?

  2. July 18, 2010 12:46 am

    All these open sources can be used to create applications for calls from PC to cell phone.

  3. July 31, 2010 3:43 am

    Most helpful site and information

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  10. Dwight Blake permalink
    May 23, 2012 8:26 am

    Hello, recently I needed a similar solution for my business and I choose a webphone supported by Ozeki VoIP SIP SDK and now I’m able to handle video and text messaging over the internet. As I needed a web to web communication solution I started to use this sample program I think it is worth to try the trial version for free.

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