- Have the Vumber app use your phone line or VoIP
- Troubleshooting: My calls are not being forwarded
- Calls not forwarded to my T-Mobile phone
- Vumber Statement on statement on COVID-19
- Why do receive voicemail with tones, recording of the sea or trains or other strange noises?
- Troubleshooting: My texts are not being delivered
- Callier ID shows 'Scam Likely'