30003 - Unreachable Destination Handset
The destination handset you are trying to reach is switched off or otherwise unavailable.
30004 - Message Blocked
The destination number you are trying to reach is blocked from receiving this message (e.g. due to blacklisting).
30005 - Unknown Destination Handset
The destination number you are trying to reach is unknown and may no longer exist.
30006 - Landline or Unreachable Carrier
The destination number is unable to receive this message. Potential reasons could include trying to reach a landline or, in the case of short codes, an unreachable carrier.
30007 - Carrier Violation
Your message was flagged as objectionable by the carrier. In order to protect their subscribers, many carriers have implemented content or spam filtering.
30008 - Unknown Error
The error does not fit into any of the above categories.
30009 - Missing segment
One or more segments associated with your multi-part inbound message was not received.