Troubleshooting & Problem Solving
- Registration failed at Provider/401 errors
- Need Some Help? What to Do or Check Before Emailing Support?
- Is My Broadband Connection Suitable for VoIP?
- My VoIP Phones Online Status
- Testing Your VoIP Phone's Configuration
- Problems Registering VoIP Phones Online
- Problems Receiving Incoming Calls
- Problems Placing Outbound Calls
- Troubleshooting Audio Issues and Speech Quality
- Problems Making and Receiving Calls
- Disabling Router SIP ALG
- Local Port Selection and Using Multiple VoIP phones
- Changing My Phone's Local SIP & RTP Ports
- Where Can I Find My Phone's Codec Settings?
- Supported Audio Codecs and Nominal Bandwidth
- STUN: What Is sipgate's STUN Server?
- Receiving Direct IP (SPIT) Calls from Numbers Like 100, 1001 and IP Addresses?
- Nuisance Calls
- Why Are Touchtones (IVR Key Presses) Not Recognised?
- IPv6
- IP Phone Debug & Syslogs
- Port Forwarding: BT HomeHubs
- Virgin SuperHubs