← Back to Blog

VoIP Phone System Troubleshooting: Common Issues and Solutions

By: fz
VoIP phone systems can occasionally experience issues. Here's how to troubleshoot the most common problems:

**1. Poor Call Quality**
- Check your internet bandwidth (recommended minimum: 100 kbps per call)
- Test network jitter and latency
- Consider implementing Quality of Service (QoS) settings

**2. Dropped Calls**
- Verify network stability
- Check firewall settings and port configurations
- Ensure proper SIP ALG settings on your router

**3. One-Way Audio**
- Review NAT settings on your firewall
- Check RTP port ranges
- Verify symmetric RTP is enabled

**4. Registration Issues**
- Confirm SIP credentials are correct
- Check DNS settings
- Verify time synchronization between devices

If these steps don't resolve your issue, contact our support team for advanced troubleshooting assistance.
Login to Ask Questions Get Professional Support

Conversation

No comments yet. Login to join the conversation.