Mobile VoIP Solution for Business Communication

Achieving convenience, speed, and cost-efficiency

The client is one of the leading telecom companies in Russia. They wanted to launch a mobile VoIP solution for business communication. It would provide convenient, fast, and cheap Internet-based communication.

Problem

The customer turned to Softeq to develop a SIP client based on Linphone technology. The application had to be more effective than mobile network-enabled communication. The future mobile VoIP solution would be used for the client’s business communication. The company also had plans to distribute the app among its clients. The Softeq Mobile Development team was employed as an extension of the customer’s core IT group.

Solution

The Softeq team was responsible for development of the SIP client based on Linphone technology, an open source SIP Phone, available on mobile and desktop environments (iOS, Android, Windows Phone 8, Linux, Windows Desktop, Mac OS X) and on web browsers.

The key functional features of the app, with more features scheduled for subsequent implementation, include:

Internet-based phone calls
SMS exchange
Contacts management

Thanks to a separation between the user interfaces and the core engine, Linphone allows creating different UIs on top of the same functionalities. The main features include:

Audio call
Instant Messaging
Pictures and files sharing
Account creation assistant
Address Book
Call History
Display of advanced call statistics
Echo Cancellation
Quality of Service
Secure communications: zRTP (available only under GNU GPL v2 license), TLS, SRTP

The message exchange is based on XMPP, a communications protocol for message-oriented middleware based on XML. The team developed the client part based on the customer's feature requirements.

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Result

The Softeq team completed the mobile part of the project having demonstrated its cross-domain expertise and knowledge of VoIP technologies and mobile solutions. The core development team on the client’s side continues expanding the functionality including multi-chat and video calls capability.