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MicroSIP is a lightweight, open-source, portable SIP softphone for Windows based on the PJSIP stack.
It allows you to make high-quality VoIP calls (person-to-person or to regular telephones) using the open SIP (Session Initiation Protocol) standard. Choose a SIP provider that best suits your needs, create an account, and start using it with MicroSIP. You'll get free person-to-person calls and low-cost international calling.
Main in MicroSIP:
- small footprint (from 12 MB) and low memory usage (from 7 MB) – written in C and C++ for minimal system resource consumption
- usability – intuitive, user-friendly interface for everyday use
- functionality – voice; video H.264 and H.263+, VP8; SIMPLE messaging (RFC 3428) and presence (RFC 3903, 6665); DTMF In-band, RCF2833, SIP-INFO
- compatibility – conforms to SIP standards
- voice quality – supports high-quality codecs such as Opus, G.711 (A-law and μ-law), G.722, G.721.1, G.723, G.729, GSM, AMR, AMR-WB, iLBC, Speex, SILK, Linear PCM mono and stereo
- WebRTC-based echo cancellation and voice activity detection
- privacy – configurable encryption using TLS for signaling and SRTP/DTLS-SRTP for media
- portability – no additional dependencies; all settings are stored in an INI file
- multilingual and RTL support, with localization for bulgarian, chinese,
dutch, estonian, finnish, french, german, hebrew, hungarian, italian,
korean, norwegian, polish, portuguese, russian, spanish, swedish,
ukrainian, ...
- accessibility – compatible with screen readers such as NVDA, making it accessible to users with visual impairments
Enjoy!
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