Cost-Effective: The pricing model is seen as fair and competitive, providing good value for money
Flexibility and Customization: The ability to add custom code and tailor the service to specific needs is appreciated by users, especially those with more complex requirements
Ease of Use: Many users find the platform easy to use, particularly when it comes to converting SIP services and porting numbers
Effective Customer Support: The customer service and support teams are highly regarded for their responsiveness and effectiveness, which is often highlighted as a significant advantage
Outstanding Service Level: Users frequently praise the reliability and availability of SIP.US services, noting that the platform consistently performs well
Update Management: A few users have mentioned that the servers were not kept up to date as promised, leading to software falling behind current versions
International Call Blocking: There have been instances where calls to certain countries are blocked, and users have noted a lack of feedback from SIP.US on these issues
Technical Glitches: Occasional glitches with the PBX system have been reported, although these are not frequent.
Website Navigation: Some users find the website interface confusing and difficult to navigate, particularly when dealing with certain options
