Drupal vs Siphon SIP
A side-by-side look at Drupal and Siphon SIP. For an in-depth review of either product, follow the links below.
Drupal
Development
Drupal is an open-source content management system and web framework written in PHP. It allows users to easily create, manage, and publish content on websites. Drupal has a large community behind it and thousands of add-on modules and themes available.
open-sourcephpcmsweb-framework
Siphon SIP
Social & Communications
Siphon SIP is a voice over IP (VoIP) software for making internet calls. It allows you to make free SIP calls to other Siphon users as well as cheap calls to phones globally.
voipsipinternet-callsfree-calls
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