Voice
SIP, VoiceXML, Voice API's
Country-Specific Features and Restrictions
- Italy: Voice Features and Restrictions
- Argentina: Voice Features and Restrictions
- China: Voice Features and Restrictions
- Japan: Voice Features and Restrictions
- Mexico: Voice Features and Restrictions
- Philippines: Voice Features and Restrictions
Voice Platform
- Why is my VoiceXML / Call or TTS API call 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 used Connect with fallback NCCO with Machine Detection?
- How can I edit the numbers forwarded to my applications for the Voice API
- How do I create and manage my applications for the Voice API?
- Managing security information in the Voice API
- What kind of pre-recorded audio files can I use with Voice API?
- When do you download my file when using Voice API?
SIP
Text To Speech (TTS)
- When do you download my file when using TTS API?
- Does Nexmo cache pre-recorded audio files?
- How can I use TTS for non-supported Languages or Voices?
- What is the maximum number of TTS requests per second?
- What kind of pre-recorded audio files can I use in TTS? And how many audio files can be used?
- How does Machine Detection Parameter work?
(Deprecated) Call API
Inbound Voice
- ★ How can I handle inbound calls to my voice-enabled virtual number?
- ★ Inbound Voice Features, Restrictions and Capacity
- What can Nexmo do with inbound CLI?
- Do I have to answer inbound calls?
- How can I create a redundant SIP forwarding configuration?
- Is it possible to identify the the Nexmo number forwarding to a VXML file?