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VaxVoIP MS Windows SIP Phone SDK by VaxSoft is a comprehensive software development kit designed to help developers build, customize, and distribute SIP-based VoIP softphones for Windows. It provides all the essential tools and sample code needed to create professional, feature-rich communication applications with ease. With full control over the user interface and functionality, developers can integrate SIP capabilities into their software while maintaining complete flexibility over design and branding.
From enterprise communication platforms and call center applications to custom-branded softphones for service providers, the SDK supports a wide range of use cases. Its SIP integration and developer-friendly structure enable rapid delivery of reliable communication tools that enhance collaboration and strengthen brand identity.
VaxVoIP MS Windows SIP Phone SDK is licensed under a single software brand product license, allowing use for one software application with limited distribution rights. Developers may distribute compiled applications to end users, but redistribution of the SDK or its source code is prohibited, and each license is tied to a specific service provider or client. See our VaxVoIP MS Windows SIP Phone SDK licensing page for full details.
For more information, visit our VaxVoIP MS Windows SIP Phone SDK product page.

Searching and filtering mail in a Comms & Messaging .NET Core component refers to the ability to locate and narrow down email messages based on specific criteria such as sender, subject, date, or content. This feature is implemented through programmatic access to email metadata and message bodies, enabling developers to build custom filters or queries directly into their applications. It improves efficiency by allowing faster access to relevant messages and simplifies tasks such as audit logging, automated processing, or user-driven searches within large volumes of communication data.
Several Comms & Messaging components for .NET Core offer support for searching and filtering mail including:
For an in-depth analysis of features and price, visit our comparison of .NET Core Comms & Messaging.

Rebex is a trusted provider of high-quality components and libraries designed to streamline the development of secure, efficient, and reliable software applications. Its product line focuses on enabling developers to integrate essential networking, file transfer, and cryptographic functionalities with ease. Key offerings include libraries for secure file transfer protocols like SFTP (SSH File Transfer Protocol) and FTPS (File Transfer Protocol Secure), email handling via SMTP (Simple Mail Transfer Protocol), IMAP (Internet Message Access Protocol), and POP3 (Post Office Protocol), as well as powerful cryptographic tools for securing data. These tools are designed for .NET developers, emphasizing ease of integration, robust security standards, and high performance, making Rebex a valuable resource for building modern software solutions.
The latest Rebex release introduces support for .NET 10, delivering a new set of binaries designed to run across a wide range of platforms. This includes Windows, Linux, macOS, as well as Android and Apple mobile ecosystems. With this update, developers targeting .NET 10 can confidently deploy Rebex components across both desktop and mobile systems, including iOS, iPadOS, and tvOS. This positions Rebex to fully support cross-platform development on the latest .NET framework.
Support for .NET 10 is available across the Rebex .NET product range:
Rebex products are licensed per developer. All new licenses include a 1 year support contract which includes priority support and all software updates during the support period. Support contract renewals are also available. See our Rebex licensing page for full details.

VaxVoIP iOS SIP Phone SDK by VaxSoft is a comprehensive software development kit designed to help developers create fully functional, SIP-based VoIP softphone applications for iOS. It provides the essential tools, APIs, and sample code needed to build, customize, and deploy reliable VoIP communication apps under your own brand. With its straightforward integration process and flexible architecture, the SDK enables developers to design intuitive, high-performance softphones tailored to their specific business or client requirements.
The SDK offers a wide range of benefits, including rapid development, complete design control, and SIP integration for professional-grade voice communication. It allows businesses, call centers, and solution providers to deliver customized VoIP applications with advanced call features, scalability, and secure connectivity. Whether you’re building a business communication tool, a contact center solution, or a custom enterprise app, VaxVoIP iOS SIP Phone SDK provides the flexibility and reliability needed to create a high-quality softphone experience quickly and efficiently.
VaxVoIP iOS SIP Phone SDK is licensed per product, per year, under a single software brand license that permits use for one application with limited distribution rights. Developers may distribute compiled applications freely but cannot redistribute the SDK or its source code, and each license must be tied to a single service or client. See our VaxVoIP iOS SIP Phone SDK licensing page for full details.
For more information, visit our VaxVoIP iOS SIP Phone SDK product page.

TraceRoute is a network diagnostic protocol used in .NET Communications and Messaging controls to determine the path packets take from the source to a destination across an IP network. It works by sending packets with incrementally increasing Time-To-Live (TTL) values, which prompts routers along the path to return error messages that help identify each hop and measure transit delays. This functionality is particularly useful for monitoring network latency, diagnosing connectivity issues, and understanding the routing behavior of networks in distributed systems. By integrating TraceRoute into a .NET application, developers gain visibility into network paths, enabling more informed troubleshooting and performance optimization of communication processes.
Several .NET Comms & Messaging components offer support for TraceRoute protocol including:
For an in-depth analysis of features and price, visit our comparison of .NET Comms & Messaging.