# Troubleshooting & Problem Solving

- [sipgate Softphone issues and solutions](/use-sipgate/troubleshooting-problem-solving/sipgate-softphone-issues-and-solutions.md): Solutions for known sipgate Softphone and Webphone issues including microphone permissions, login errors, and platform-specific troubleshooting.
- [Problems making and receiving calls](/use-sipgate/troubleshooting-problem-solving/problems-making-and-receiving-calls.md): Troubleshooting guide for common VoIP call issues including registration failures, audio loss, and router-related problems with sipgate.
- [Unauthorised use of my sipgate account](/use-sipgate/troubleshooting-problem-solving/unauthorised-use-of-my-sipgate-account.md): Steps to take if you suspect unauthorised access to your sipgate account, including password changes and network security review.
- [How to fix issues like noise, echo, and poor voice quality](/use-sipgate/troubleshooting-problem-solving/how-to-fix-issues-like-noise-echo-and-poor-voice-quality.md): Tips for resolving VoIP voice quality issues including noise, echo, and audio problems caused by bandwidth, headsets, or settings.
- [How can I troubleshoot router problems?](/use-sipgate/troubleshooting-problem-solving/how-can-i-troubleshoot-router-problems.md): Guide to troubleshooting router-related VoIP issues including NAT configuration, port settings, and SIP/RTP data routing.
- [Why are Touchtones (IVR Key Presses) not recognised?](/use-sipgate/troubleshooting-problem-solving/why-are-touchtones-ivr-key-presses-not-recognised.md): How to configure DTMF touchtone settings on various VoIP phones to ensure IVR key presses are recognised with sipgate.
- [Registration failed at Provider/401 errors](/use-sipgate/troubleshooting-problem-solving/registration-failed-at-provider401-errors.md): How to resolve SIP registration failures and 401 errors when connecting VoIP phones to your sipgate account.
- [What are typical errors and solutions for the sipgate Softphone?](/use-sipgate/troubleshooting-problem-solving/what-are-typical-errors-and-solutions-for-the-sipgate-softphone.md): Comprehensive list of known sipgate Softphone errors and solutions for macOS, Windows, Linux, and general error codes.
- [How can I change my Phone's Local SIP & RTP Ports?](/use-sipgate/troubleshooting-problem-solving/how-can-i-change-my-phones-local-sip-rtp-ports.md): Instructions for changing local SIP and RTP port settings on common VoIP deskphones and softphones used with sipgate.
- [How can I solve problems with the router?](/use-sipgate/troubleshooting-problem-solving/how-can-i-solve-problems-with-the-router.md): Troubleshooting router problems affecting VoIP calls, including NAT configuration, STUN server setup, and port forwarding guidance.
- [How do I set up port forwarding on a BT HomeHub?](/use-sipgate/troubleshooting-problem-solving/how-do-i-set-up-port-forwarding-on-a-bt-homehub.md): Step-by-step guide for setting up port forwarding on BT HomeHub 3, 4, or 5 to resolve VoIP registration and call issues.
- [How to fix VoIP issues on Virgin SuperHub?](/use-sipgate/troubleshooting-problem-solving/how-to-fix-voip-issues-on-virgin-superhub.md): How to resolve VoIP call and registration issues caused by SIP ALG on Virgin SuperHub routers.