By Belledonne Communications SARL
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Linphone is an open source internet phone or Voice Over IP phone (VoIP), compatible with the SIP protocol.
Linphone can be used with a large number of SIP-compatible VoIP service providers.
If you subscribe a VoIP to PSTN (=classic telephony) account to a telecom provider, you can reach everyone that has a "classic" phone line.
Alernatively, linphone.org provides free SIP accounts to make audio & video calls over the internet at no cost.
List of supported features:
-audio with the following codecs: speex (narrow band and wideband), G711 (ulaw,alaw),ILBC, GSM, SILK, G722, OPUS, AAC-ELD
-secured call (SIP TLS/SRTP)
-video with the VP8 codec (H264 & MPEG4 on demand )
-Address book integration
-DTMF (telephone tones) support using SIP INFO or RFC2833
What's New in Version 2.1.2
- Fixed VP8 video quality issue
- Better video bitrate handling, should enhance video quality on bumpy networks
- Fixed audio ring sometimes not stopping (iOS7)
- Fixed some graphical glitches
- Exotic characters are now removed from username when creating a new account.
Perfect at what it does
This is a perfect app for anyone with a plain SIP VoIP account. It does exactly what it promises and delivers excellent call quality.
- Category: Social Networking
- Updated: Nov 22, 2013
- Version: 2.1.2
- Size: 9.6 MB
- Languages: English, French, Russian
- Seller: Belledonne communications
- © 2012 Belledonne communications
Compatibility: Requires iOS 4.3 or later. Compatible with iPhone, iPad, and iPod touch. This app is optimized for iPhone 5.