Voice FAQ: General Information

What is the difference between a PSTN and SIP call in video and voice services?+
What is the difference between a shared and a dedicated number?+
How do I respond to incoming calls in your web application?+
Are Webhooks secure?+
How do I receive a DTMF notification?+
Can I make a PSTN call without creating a room?+
Can I use EnableX's text-to-speech service feature if I want to play text on a voice call?+
Can I make bulk dial-out calls and play messages?+
Can I make a PSTN to PSTN call and still record it?+
What kind of pre-recorded audio files can be used with the Voice API?+
How many concurrent calls are possible on a dedicated number and a shared number?+
What is the server required for SIP setting in internet calling?+