Linphone

Linphone is an Android utility that is a virtual PBX. It provides extensive functionality - audio and video calls, sending files, chatting and much more.

Calls

The program provides maximum quality of communication, regardless of the type of connection. You can use mobile Internet or home Wi-Fi. Normal calls and launching a conference with a large number of participants are available. At the same time, a new general chat is created, which allows you to write messages and send files. All the necessary functions for access differentiation are provided. You can use different schemes for connecting new users, for example, after the administrator's approval. The program supports working in the background. This allows you to receive calls and messages even if the user has not started it. It is possible to customize the type of call and notification of missed calls. The program is compatible with most VoLP and SIP services. Today, services of this type are provided by many providers and telecom operators.

Instructions

To work, you need to register in advance. You can use an existing profile or create a new account based on your phone number. For the virtual PBX mode it is necessary to select the "Use SIP account" function and fill in all the data. After authorization, a list of phone contacts is automatically displayed. It is also possible to dial the number manually. Built-in algorithms allow you to improve the quality of sound during a dialog. In particular, echo is reduced, interference is eliminated. A separate panel allows you to adjust the video format, which allows you to optimize it for low-speed access.

Features

• the program is a virtual PBX;
• conferences can be launched;
• built-in chat with the function of sending files;
• ability to connect an existing SIP account;
• free download.