30009: Missing inbound segment

One or more segments associated with your multi-part inbound message was not received.

• The mobile network or carrier did not successfully send the entire message to Twilio
• The mobile handset had a malfunction and did not successfully send all segments
• The mobile user was in poor network coverage, causing an incomplete message to be sent

• Ensure the mobile user is in good network coverage and request they try sending the message again
• If the issue is occurring frequently for multiple users, contact Twilio Support with Message SIDs of affected messages