ripe-grayR
VAPI4mo ago
ripe-gray

Can't use Telnyx phone number through native phone number import or SIP

Hi

Tried importing a Telnyx phone number through the native Vapi "Create phone number". It works, but the audio quality is so bad, that the agent can't understand what I'm saying. This is a known issue (supportTwilio call quality is very bad. Is it twilio or Vapi?) and the only fix seems to be setting up a SIP Trunk instead.

However, setting up a SIP Trunk with inbound enabled also doesn't work (Telnyx SIP Inbound Settings: Translate Number)

What's the best way to make this work?
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