opensips vs Textfree
A side-by-side look at opensips and Textfree. For an in-depth review of either product, follow the links below.
opensips
Network & Admin
OpenSIPS is an open source SIP proxy and B2BUA server used to build and deploy SIP platforms and VoIP infrastructures. It provides advanced routing, signaling, and session management capabilities for building large scale SIP networks.
sipproxyb2buavoipsignalingsession-management
Textfree
Social & Communications
Textfree is a free texting and calling app for iOS and Android devices. It allows users to send SMS messages for free using a virtual phone number and Wi-Fi connection instead of using their mobile data plan. The basic app is ad-supported with some additional paid features.
textingmessagingcallingfreeadsupported
Related Comparisons
Yate - Yet Another Telephony Engine
FreeSWITCH
Elastix
PAW Server
Telerivet