Carrier response error codes

Status code

Status description

Description

200000

User finished listening to the voice message

For a single call, the user finished listening to the voice message.

200001

User hung up before the message finished

For a single call, the user hung up before listening to the full voice message.

200002

User busy

For a single call, the callee's line is busy. For a two-party call, the caller's line is busy.

200003

User received call but did not answer

For a single call, the callee did not answer. For a two-party call, the caller did not answer.

200004

Invalid user number

For a single call, the callee's number is invalid. For a two-party call, the caller's number is invalid.

200005

Callee unreachable

Possible reasons include the following:

• Carrier issues.

• The callee's phone has an anti-spam mode enabled, which automatically rejects or hangs up the call.

• The outbound number from the public number pool used in the common pattern is marked as a spam call. This increases the chance of the call being blocked. To reduce this probability, purchase a real number and use the dedicated pattern for outbound calls.

200006

Voice playback failed due to incorrect format

For a single call, this indicates that the voice file format is incorrect.

200007

User unreachable (out of service area)

For a single call, the callee is unreachable. For a two-party call, the caller is unreachable.

200008

DTMF input timeout

-

200010

Powered off

-

200011

Service suspended

-

200100

Call ended (two-party call)

The call between the caller and the callee ended.

200101

Connecting to caller

Connecting to the caller.

200102

Connected to caller, now connecting to callee

-

200103

Call established, in progress

The caller and callee are on the call.

200104

Caller number restricted

The caller's number is restricted.

200105

Callee number restricted

For a two-party call, the callee's number is restricted.

200111

Callee unreachable (rejected)

For a two-party call, the callee is unreachable because they rejected the call.

200120

Callee unreachable (out of service area)

For a two-party call, the callee is unreachable because they are out of the service area.

200121

Concurrent call limit exceeded

The number of concurrent outbound calls exceeded the limit.

200112

Callee busy

For a two-party call, the callee's line is busy.

200113

Callee received call but did not answer

For a two-party call, the callee received the call but did not answer.

200116

Invalid callee number

For a two-party call, the callee's number is invalid.

200117

Invalid caller ID number

The caller ID number is not used according to the communication network's authorization rules.

200118

Carrier time-based call restriction

The carrier restricts outbound calls during this time period.

200119

Provider throttling

The carrier has a frequency limit on outbound calls from a single caller number or to the same callee.

300000

DTMF key press message

DTMF key press message.

9996

Call not established or call has ended (apus)

When you query or stop a call, this error may be returned if the call was not established or has already ended (apus).

999999

System error

Other unidentifiable faults.

500

Carrier error

An unidentifiable fault on the carrier's side.

400

Network element busy

A network element is a key device in a communication network. These networks are built based on capacity planning. This error indicates that a key device is at full load.

482

Callee number unavailable

Check the status of the callee's number and retry.

476

Number forcibly revoked

This number was forcibly revoked. Replace the number as soon as possible.