Voice
Current Known Problems
Country-Specific Features and Restrictions
- South Korea: Voice Features and Restrictions
- Indonesia: Voice Features and Restrictions
- Italy: Voice Features and Restrictions
- Argentina: Voice Features and Restrictions
- China: Voice Features and Restrictions
- Japan: Voice Features and Restrictions
Voice Platform
- Why are my Call API requests failing?
- What IP addresses should I whitelist in order to receive voice traffic from Nexmo?
- Is WebRTC supported?
- What is Automatic Location Based Routing (ALBR)?
- What characters can Nexmo detect via keypad input?
- What is the maximum number of calls per second?
Voice API
- Can I call multiple recipients in one API request?
- Is a "completed" event sent to my webhook for every call?
- How can I use Voice API for languages that are not supported?
- Do I have to specify the file type in my audio file?
- How long is my JWT valid for?
- Why am I receiving an Authentication Error?
SIP
- Can I use customer SIP headers?
- How can I create a redundant SIP forwarding configuration?
- Special Characters in Forward to SIP Address
- What does xxx SIP call status mean?
- Can I call Emergency Services (e.g. 911, 999, 112) using Nexmo? [E911]
- How can I connect a soft phone with Nexmo's SIP trunk to make outbound calls?
