Linphone for iOS 2.1.2 - Free Internet calls on iPhone / iPad

Version on other platforms
- Linphone Video for Android
- Linphone
Published by: Belledonne Communications
Version: 2.1.2
Usage: Free
Size: 9,6 MB
Views: 198
Download: 151
Day: May 21, 2014
Requirements: iOS 4.3 or later

Linphone for iOS is a free and convenient calling application on devices iPhone, iPad or iPod Touch.

Linphone for iOS is a free and open source Voice Over IP (VoIP) or Internet call service , compatible with SIP protocol.

Linphone is used by many SIP-compatible VoIP service providers. If you signed up for a VoIP to PSTN (traditional calling) account with an official telecom provider, you can contact anyone who owns a landline.

In addition, the website linephone.org also provides free SIP accounts for users to make audio and video calls over the Internet at no cost.

With Linphone, users can easily communicate with everyone through the Internet , through traditional ways of talking by words, via video or sending instant messages.

Linphone uses the familiar SIP protocol, an open standard for Internet calls. You can also use Linphone with any SIP VoIP provider, including the same carrier's free SIP audio / video call service.

Linphone is free software (open source), you can download and redistribute it easily. The service supports many different platforms, from personal computers to mobile devices.

Linphone for iOS 2.1.2 - Free Internet calls on iPhone / iPad

Outstanding features of Linphone for iOS:

Audio calls with the following codecs: speex (narrow and wide bandwidth), G711 (ulaw, alaw), ILBC, GSM, SILK, G722, OPUS, AAC-ELD.
Secure Call (SIP TLS / SRTP).
Video call with VP8 codec (H264 & MPEG4 on request).
Support many different calls.
Audio conference call.
Integrated phone directory.
Manage call history.
Supports DTMF (ringing phone) through SIP INFO or RFC2833.
Send text messages.

Main features of Linphone for iOS application:

Switch by signal

Compatible with User-Agent SIP with RFC 3261.
SIP / UDP, SIP / TCP, SIP / TLS,
IPv6 support.
Standard classification.
Support multiple calls at the same time with call management features: call waiting by music, continue connecting, call transfer ...
Supports multiple SIP proxies: registrar, proxies, outbound proxies.
Send instant text messages with status notifications.
Simple standard representation in peer mode.

Multimedia

Audio calls with the following codecs: speex (broadband and narrowband), G711 (ulaw, alaw), GSM, G722. Through additional plug-ins, the service supports AMR-NB, SILK, G729 and iLBC.
Video call with codecs: VP8 (WebM), H263, H263-1998, MPEG4, theora and H264 (thanks to x264-based plug-in), resolution from QCIF (176 x 144) to SVGA (800 x 600) is available when the bandwidth and CPU is appropriate.
Audio conference call.
Supports SRTP and zRTP (encoding voice and video).
Supports ICE (RFC5246) for peer-to-peer audio and video connectivity without the need for a multimedia delay server.
Supports all suitable webcams.
Low bandwidth mode: make audio calls over EDGE networks.
Compatible audio and video algorithms to match available broadband.

Mobile features

Free video call support.
Tablet-style user interface.
Integrated phone directory.
Manage call history.
Integrated push notification system (requires a compatible SIP server).
Instant messaging (text and picture messages).
Create and account and setup help.
Supports Bluetooth connection on iPhone, iPad.

New features in version 2.1.2:

Fix VP8 video quality.
Better video processing, improved video quality on weak networks.
Fix suspended audio alarms on iOS 7.
Fix some other graphics errors.
Special characters have been removed from the username when creating a new account.
Interface languages: English, French, Russian.
The application is optimized for iPhone 5.