S

SJphone 1.65.2637

SJ Labs, Inc.  ❘ Commercial

SJphone: A Classic VoIP Solution

Peter Salakani

SJphone offers reliable voice over IP capabilities with a straightforward interface, suitable for both novice and experienced users.
2025 Editor's Rating

SJphone is a popular communication software developed by SJ Labs, Inc. that allows users to make voice and video calls over the internet using the Session Initiation Protocol (SIP). With SJphone, users can easily connect with other SIP-enabled devices and communicate with high-quality audio and video.

One of the key benefits of using SJphone is its compatibility with various operating systems including Windows, Linux, and Mac OS. This allows users to seamlessly integrate their communication needs with their preferred device or platform. Additionally, SJphone offers a user-friendly interface with customizable settings that allow users to adjust and optimize their calling experience.

Another advantage of using SJphone is its support for a wide range of communication protocols including H.323, IAX, and SIP. This ensures that users can connect with different networks and devices regardless of their protocol specifications.

SJphone also features advanced security mechanisms that protect users’ privacy and sensitive information during calls. The software encrypts communication signals to prevent unauthorized access and eavesdropping, ensuring that users can communicate safely and securely without any worries.

SJphone comes with a variety of interoperability testing tools that enable developers to make sure their devices are compatible with the software. This helps to ensure that users can easily connect with other SIP-enabled devices without any issues.

SJphone is a powerful communication software that provides users with a wide range of features and benefits. Its intuitive interface, compatibility with various operating systems, support for multiple protocols, advanced security features, and testing tools make it an excellent choice for anyone who wants to make high-quality voice and video calls over the internet.

Overview

SJphone is a Commercial software in the category Communications developed by SJ Labs, Inc..

The latest version of SJphone is 1.65.2637, released on 02/18/2008. It was initially added to our database on 10/29/2007.

SJphone runs on the following operating systems: Windows.

SJphone has not been rated by our users yet.

Pros

  • Easy to use interface
  • Supports various VoIP protocols
  • Offers video conferencing capabilities
  • Compatible with different operating systems
  • Good audio quality

Cons

  • Limited features compared to other VoIP applications
  • May have compatibility issues with certain hardware configurations
  • No longer actively maintained or updated by the developer

FAQ

What is SJphone?

SJphone is a softphone software developed by SJ Labs, Inc. that allows users to make voice over IP (VoIP) calls using the Session Initiation Protocol (SIP) technology.

Is SJphone available for free?

Yes, SJphone is available as a free download for personal and non-commercial use.

Which operating systems are supported by SJphone?

SJphone supports Windows, Mac OS X, and Linux operating systems.

Can I use SJphone for video calls?

No, SJphone is primarily designed for voice calls and does not support video calling.

Does SJphone support encryption for secure calls?

Yes, SJphone supports Transport Layer Security (TLS) encryption to ensure secure communication.

Can I integrate SJphone with my existing PBX system?

Yes, SJphone can be easily integrated with various IP-PBX systems supporting SIP protocol.

Does SJphone support conference calls?

Yes, SJphone supports conference calls with multiple participants.

Can I use SJphone to send instant messages?

No, SJphone does not have built-in instant messaging capabilities. It focuses solely on voice communication.

What audio codecs does SJphone support?

SJphone supports the G.711, G.722, G.723.1, G.726, and iLBC audio codecs.

Where can I download SJphone?

SJphone can be downloaded from the official SJ Labs website (https://www.sjlabs.com/sjphone.html).


Peter Salakani

Peter Salakani

I'm Peter, a software reviews author at UpdateStar and content specialist with a keen focus on usability and performance. With a background in both software development and content creation, I bring a unique perspective to evaluating and discussing general software topics. When I'm not reviewing software, I enjoy staying updated on the latest tech trends, experimenting with new applications, and finding innovative solutions to everyday tech challenges.

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