> 3.4.9 | GSM Release cause for Supplementary Service Call

> Number | Description
> 0 | No error (default)
> 1 | UnknownSubscriber
> 9 | IllegalSubscriber
> 10 | BearerServiceNotProvisioned
> 11 | TeleserviceNotProvisioned
> 12 | IllegalEquipment
> 13 | CallBarred
> 15 | CUGReject
> 16 | IllegalSSOperation
> 17 | SSErrorStatus
> 18 | SSNotAvailable
> 19 | SSSubscriptionViolation
> 20 | SSIncompatibility
> 21 | FacilityNotSupported
> 27 | AbsentSubscriber
> 29 | ShortTermDenial
> 30 | LongTermDenial
> 34 | SystemFailure
> 35 | DataMissing
> 36 | UnexpectedDataValue
> 37 | PWRegistrationFailure
> 38 | NegativePWCheck
> 43 | NumberOfPWAttemptsViolation
> 71 | UnknownAlphabet
> 72 | USSDBusy
> 126 | MaxNumsOfMPTYCallsExceeded
> 127 | ResourcesNotAvailable
> General Problem Codes
> 300 | Unrecognized Component
> 301 | Mistyped Component
> 302 | Badly Structured Component
> Invoke Problem Codes
> 303 | Duplicate Invoke ID
> 304 | Unrecognized Operation
> 305 | Mistyped Parameter
> 306 | Resource Limitation
> 307 | Initiating Release
> 308 | Unrecognized Linked ID
> 309 | Linked Response Unexpected
> 310 | Unexpected Linked Operation
> Return Result Problem Codes
> 311 | Unrecognize Invoke ID
> 312 | Return Result Unexpected
> 313 | Mistyped Parameter
> Return Error Problem Codes
> 314 | Unrecognized Invoke ID
> 315 | Return Error Unexpected
> 316 | Unrecognized Error
> 317 | Unexpected Error
> 318 | Mistyped Parameter