SS DataStructures


Files

file  TelSs.h
 This file serves as a "C" header file defines structures for Tapi SS Services.
It contains a sample set of constants, enums,structs that would be required by applications.

Data Structures

struct  TelSsForwardInfo_t
struct  TelSsUssdMsgInfo_t
struct  TelSsCallBarringInfo_t
struct  TelSsCliRecord_t
struct  TelSsCallBarringRecord_t
struct  TelSsForwardRecord_t
struct  TelSsCallWaitingRecord_t
union  TelSsRecord_t
struct  TelSsInfo_t
struct  TelSsCapabilityInfo_t

Defines

#define TAPI_SS_GSM_BARR_PW_LEN_MAX   4
#define TAPI_CALL_DIALDIGIT_LEN_MAX   82
#define TAPI_SS_USSD_DATA_SIZE_MAX   201

Enumerations

enum  TelSsForwardWhen_t {
  TAPI_SS_FORWARD_WHEN_UNCONDITIONAL_EV, TAPI_SS_FORWARD_WHEN_BUSY_EV, TAPI_SS_FORWARD_WHEN_NO_ANSWER_EV, TAPI_SS_FORWARD_WHEN_NOT_REACHABLE_EV,
  TAPI_SS_FORWARD_WHEN_ALL_FORWARDING_EV
}
enum  TelSsCallBarType_t {
  TAPI_CALL_BARRING_ALL, TAPI_CALL_BARRING_OUTGOING, TAPI_CALL_BARRING_ALL_OUTGOING_CALLS, TAPI_CALL_BARRING_ALL_OUTGOING_INTERN_CALL,
  TAPI_CALL_BARRING_ALL_OUTGOING_INTERN_CALL_EXCEPT, TAPI_CALL_BARRING_INCOMING, TAPI_CALL_BARRING_ALL_INCOMING_CALLS, TAPI_CALL_BARRING_ALL_INCOMING_CALLS_ROAMING,
  TAPI_CALL_BARRING_ALL_INCOMING_CALLS_INSIM
}
enum  TelSsTeleService_t {
  TAPI_SS_TS_ALL_TELE_AND_BEARER_SERVICES, TAPI_SS_TS_ALL_TELESERVICES, TAPI_SS_TS_ALL_SPEECH, TAPI_SS_TS_ALL_DATA_TELESERVICES,
  TAPI_SS_TS_FACS, TAPI_SS_TS_ALL_TELESERVICES_EXCEPT_SMS, TAPI_SS_TS_ALL_PLMN_SPEC_TELE, TAPI_SS_TS_PLMN_SPEC_TELE_1,
  TAPI_SS_TS_PLMN_SPEC_TELE_2, TAPI_SS_TS_PLMN_SPEC_TELE_3, TAPI_SS_TS_PLMN_SPEC_TELE_4, TAPI_SS_TS_PLMN_SPEC_TELE_5,
  TAPI_SS_TS_PLMN_SPEC_TELE_6, TAPI_SS_TS_PLMN_SPEC_TELE_7, TAPI_SS_TS_PLMN_SPEC_TELE_8, TAPI_SS_TS_PLMN_SPEC_TELE_9,
  TAPI_SS_TS_PLMN_SPEC_TELE_A, TAPI_SS_TS_PLMN_SPEC_TELE_B, TAPI_SS_TS_PLMN_SPEC_TELE_C, TAPI_SS_TS_PLMN_SPEC_TELE_D,
  TAPI_SS_TS_PLMN_SPEC_TELE_E, TAPI_SS_TS_PLMN_SPEC_TELE_F, TAPI_SS_TS_PLMN_SPEC_TELE_, TAPI_SS_BS_ALL_BEARER_SERVICES,
  TAPI_SS_BS_ALL_DATA_CDS, TAPI_SS_BS_ALL_ASYNCHRONOUS, TAPI_SS_BS_ALL_SYNCHRONOUS, TAPI_SS_BS_DATA_CIRCUIT_SYNC,
  TAPI_SS_BS_DATA_CIRCUIT_ASYNC, TAPI_SS_BS_DATA_ALL_PDS, TAPI_SS_BS_ALL_DATA_PADCA, TAPI_SS_BS_ALL_PLMN_SPEC_BS,
  TAPI_SS_BS_PLMN_SPEC_TELE_1, TAPI_SS_BS_PLMN_SPEC_TELE_2, TAPI_SS_BS_PLMN_SPEC_TELE_3, TAPI_SS_BS_PLMN_SPEC_TELE_4,
  TAPI_SS_BS_PLMN_SPEC_TELE_5, TAPI_SS_BS_PLMN_SPEC_TELE_6, TAPI_SS_BS_PLMN_SPEC_TELE_7, TAPI_SS_BS_PLMN_SPEC_TELE_8,
  TAPI_SS_BS_PLMN_SPEC_TELE_9, TAPI_SS_BS_PLMN_SPEC_TELE_A, TAPI_SS_BS_PLMN_SPEC_TELE_B, TAPI_SS_BS_PLMN_SPEC_TELE_C,
  TAPI_SS_BS_PLMN_SPEC_TELE_D, TAPI_SS_BS_PLMN_SPEC_TELE_E, TAPI_SS_BS_PLMN_SPEC_TELE_F, TAPI_SS_TS_ALL_DATA,
  TAPI_SS_TS_DATA_CIRCUIT_SYNC, TAPI_SS_TS_MULTIPLE, TAPI_SS_TS_TELEPHONY, TAPI_SS_TS_DATA_CIRCUIT_ASYNC,
  TAPI_SS_TS_DATA_PACKET
}
enum  TelSsUssdRespType_t { TAPI_USSD_RES_UNKNOWN_ALPHABET, TAPI_USSD_RES_DISPL_BUSY, TAPI_USSD_RES_OK, TAPI_USSD_RES_NONE }
enum  TelSsUssdIndType_t {
  TAPI_USSD_IND_NOTIFY = 0x00, TAPI_USSD_IND_NO_ACTION_REQUIRE = 0x01, TAPI_USSD_IND_ACTION_REQUIRE = 0x02, TAPI_USSD_IND_TERMINATED_BY_NET = 0x03,
  TAPI_USSD_IND_OTHER_CLIENT = 0x04, TAPI_USSD_IND_NOT_SUPPORT = 0x05, TAPI_USSD_IND_TIME_OUT = 0x06
}
enum  TelSsCallBarOperationMode_t { TAPI_SS_CALL_BAR_ACTIVATE, TAPI_SS_CALL_BAR_DEACTIVATE }
enum  TelSsCallType_t {
  TAPI_CALL_TYPE_VOICE_EV, TAPI_CALL_TYPE_DATA_EV, TAPI_CALL_TYPE_FAX_EV, TAPI_CALL_TYPE_SHORT_MESS_EV,
  TAPI_CALL_TYPE_DATA_CIRCUIT_SYNC_EV
}
enum  TelSsForwardMode_t { TAPI_CALL_FORWARD_MODE_DISABLE_EV, TAPI_CALL_FORWARD_MODE_ENABLE_EV, TAPI_CALL_FORWARD_MODE_REGISTRATION_EV, TAPI_CALL_FORWARD_MODE_ERASURE_EV }
enum  TelSsForwardType_t { TAPI_CS_FORWARD_TYPE_VOICE_EV = 0, TAPI_CS_FORWARD_TYPE_DATA_EV, TAPI_CS_FORWARD_TYPE_FAX_EV }
enum  TelSsRestrictIDStatus_t { TAPI_CALL_RESTRICT_ID_DEPEND_NETWORK_EV, TAPI_CALL_RESTRICT_ID_ENABLE_EV, TAPI_CALL_RESTRICT_ID_DISABLE_EV }
enum  TelSsType_t {
  TAPI_SS_TYPE_BARRING, TAPI_SS_TYPE_FORWARDING, TAPI_SS_TYPE_WAITING, TAPI_SS_TYPE_IDENTIFICATION,
  TAPI_SS_TYPE_CNAP, TYPE_SS_TYPE_USSD
}
enum  TelSsCause_t {
  TAPI_SS_SUCCESS, TAPI_SS_TIMEREXPIRE, TAPI_SS_UNKNOWNSUBSCRIBER, TAPI_SS_SERVICENOTPROVISIONED,
  TAPI_SS_CALLBARRED, TAPI_SS_ILLEGALSSOPERATION_ERROR, TAPI_SS_NOTAVAILABLE, TAPI_SS_SUBSCRIPTIONVIOLATION,
  TAPI_SS_FACILITYNOTSUPPORTED, TAPI_SS_UNEXPECTEDDATAVALUE, TAPI_SS_PWREGISTRATIONFAILURE, TAPI_SS_NEGATIVEPWCHECK,
  TAPI_SS_NUMBEROFPWATTEMPTSVIOLATION, TAPI_SS_UNKNOWNALPHABET, TAPI_SS_USSDBUSY, TAPI_SS_REJECTEDBYUSER,
  TAPI_SS_REJECTEDBYNETWORK, TAPI_SS_INVALIDDEFLECTEDTONUMBER, TAPI_SS_MAXNOMPTYEXCEEDED, TAPI_SS_RESOURCESNOTAVAILABLE,
  TAPI_SS_UNKNOWNERROR, TAPI_SS_OEM_NOT_SUPPORTED
}
enum  TelSsStatus_t {
  TAPI_SS_STATUS_ACTIVE, TAPI_SS_STATUS_REGISTERED, TAPI_SS_STATUS_PROVISIONED, TAPI_SS_STATUS_QUIESCENT,
  TAPI_SS_STATUS_NOTHING
}
enum  TelSsLineIdentificationType_t {
  TAPI_CALLING_LINE_IDENTITY_PRESENTATION, TAPI_CALLING_LINE_IDENTITY_RESTRICTION, TAPI_CONNECTED_LINE_IDENTITY_PRESENTATION, TAPI_CONNECTED_LINE_IDENTITY_RESTRICTION,
  TAPI_CALLED_LINE_IDENTITY_PRESENTATION, TAPI_CALLING_NAME_PRESENTATION
}
enum  TelSsCliStatus_t {
  TAPI_CLI_STATUS_NOT_PROVISONED, TAPI_CLI_STATUS_PROVISIONED, TAPI_CLI_STATUS_ACTIVATED, TAPI_CLI_STATUS_UNKOWN,
  TAPI_CLI_STATUS_TEMP_RESTRICTED, TAPI_CLI_STATUS_TEMP_ALLOWED
}
enum  TelSsBarPwdType_t { TAPI_SS_BAR_GET_PWD, TAPI_SS_BAR_NEW_PWD, TAPI_SS_BAR_VERIFY_NEW_PWD }

Define Documentation

#define TAPI_CALL_DIALDIGIT_LEN_MAX   82

maximum length of dial digit

#define TAPI_SS_GSM_BARR_PW_LEN_MAX   4

maximum length of barring password

#define TAPI_SS_USSD_DATA_SIZE_MAX   201

User-to-user data maximum size

Enumeration Type Documentation

enum TelSsBarPwdType_t

This enumeration defines the Bar password type.

Enumerator:
TAPI_SS_BAR_GET_PWD  This password type indicates already set barring password
TAPI_SS_BAR_NEW_PWD  This password type indicates new password
TAPI_SS_BAR_VERIFY_NEW_PWD  This password type indicates verifying new password

enum TelSsCallBarOperationMode_t

This enumeration defines the call barring operation mode .

Enumerator:
TAPI_SS_CALL_BAR_ACTIVATE  Activate call barring
TAPI_SS_CALL_BAR_DEACTIVATE  De Activate call barring

enum TelSsCallBarType_t

The various types of call barring. Note, only one type of incoming barring and only one type of outgoing barring may be active at any time.

Enumerator:
TAPI_CALL_BARRING_ALL  Barring all outgoing and incoming calls
TAPI_CALL_BARRING_OUTGOING  Barring outgoing call
TAPI_CALL_BARRING_ALL_OUTGOING_CALLS  Barring all outgoing calls
TAPI_CALL_BARRING_ALL_OUTGOING_INTERN_CALL  Barring all outgoing international calls
TAPI_CALL_BARRING_ALL_OUTGOING_INTERN_CALL_EXCEPT  Barring all international outgoing
TAPI_CALL_BARRING_INCOMING  Barring the incoming call
TAPI_CALL_BARRING_ALL_INCOMING_CALLS  Barring all incoming calls
TAPI_CALL_BARRING_ALL_INCOMING_CALLS_ROAMING  Barring all incoming calls while roaming
TAPI_CALL_BARRING_ALL_INCOMING_CALLS_INSIM  Barring Incoming Calls from numbers which is not stored in the SIM memory

enum TelSsCallType_t

This enumeration defines the call type .

Enumerator:
TAPI_CALL_TYPE_VOICE_EV  Voice Call
TAPI_CALL_TYPE_DATA_EV  Data Call
TAPI_CALL_TYPE_FAX_EV  Fax Call
TAPI_CALL_TYPE_SHORT_MESS_EV  Short Message
TAPI_CALL_TYPE_DATA_CIRCUIT_SYNC_EV  Data Circuit Sync

enum TelSsCause_t

Describes whether a supplementary service request was a success or a failure; and if it failed, why.

Enumerator:
TAPI_SS_SUCCESS  SS operation was successful
TAPI_SS_TIMEREXPIRE  SS operation timer expired on network.
TAPI_SS_UNKNOWNSUBSCRIBER  SS error indicating unknown/illegal subscriber.
TAPI_SS_SERVICENOTPROVISIONED  SS service not provisioned
TAPI_SS_CALLBARRED  SS operation barred.
TAPI_SS_ILLEGALSSOPERATION_ERROR  Illegal SS operation
TAPI_SS_NOTAVAILABLE  SS not available in network
TAPI_SS_SUBSCRIPTIONVIOLATION  SS service subscription violation.
TAPI_SS_FACILITYNOTSUPPORTED  SS service facility not supported
TAPI_SS_UNEXPECTEDDATAVALUE  SS error indicating unexpected data value on network side
TAPI_SS_PWREGISTRATIONFAILURE  SS error indicating change password failure.
TAPI_SS_NEGATIVEPWCHECK  SS error indicating negative password check.
TAPI_SS_NUMBEROFPWATTEMPTSVIOLATION  SS error indicating barring password attempts violated.
TAPI_SS_UNKNOWNALPHABET  SS error indicating unknown SS data coding of alphabet
TAPI_SS_USSDBUSY  SS error indicating USSD Busy(Already ss / ussd is ongoing).
TAPI_SS_REJECTEDBYUSER  SS operation rejected by user.
TAPI_SS_REJECTEDBYNETWORK  SS operation rejected by network.
TAPI_SS_INVALIDDEFLECTEDTONUMBER  SS error indicating the invalid deflected to number.
TAPI_SS_MAXNOMPTYEXCEEDED  SS error indicating Maximum mpty is reached.
TAPI_SS_RESOURCESNOTAVAILABLE  SS error indicating resources not available in network.
TAPI_SS_UNKNOWNERROR  SS error indicating unknown error
TAPI_SS_OEM_NOT_SUPPORTED  If oem do not support any of SS requests, then this error will be returned back

enum TelSsCliStatus_t

This enumeration defines the cli service status .

Enumerator:
TAPI_CLI_STATUS_NOT_PROVISONED  Service not provided by the service provider
TAPI_CLI_STATUS_PROVISIONED  Service is provided by the service provider
TAPI_CLI_STATUS_ACTIVATED  Service is activated at the network
TAPI_CLI_STATUS_UNKOWN  Service status is unknown
TAPI_CLI_STATUS_TEMP_RESTRICTED  Service is temporarily restricted
TAPI_CLI_STATUS_TEMP_ALLOWED  Service is temporarily allowed

enum TelSsForwardMode_t

This enumeration defines the forward mode .

Enumerator:
TAPI_CALL_FORWARD_MODE_DISABLE_EV  Deactivate call forwarding
TAPI_CALL_FORWARD_MODE_ENABLE_EV  Activate call forwarding
TAPI_CALL_FORWARD_MODE_REGISTRATION_EV  Register Call forwarding
TAPI_CALL_FORWARD_MODE_ERASURE_EV  De-register call forwarding

enum TelSsForwardType_t

This enumeration defines the forward type .

Enumerator:
TAPI_CS_FORWARD_TYPE_VOICE_EV  Voice call forward
TAPI_CS_FORWARD_TYPE_DATA_EV  Data call forward
TAPI_CS_FORWARD_TYPE_FAX_EV  Fax call forward

enum TelSsForwardWhen_t

/** This enumeration defines the call forwarding flavor.

Enumerator:
TAPI_SS_FORWARD_WHEN_UNCONDITIONAL_EV  Unconditional
TAPI_SS_FORWARD_WHEN_BUSY_EV  When Busy
TAPI_SS_FORWARD_WHEN_NO_ANSWER_EV  When No Reply
TAPI_SS_FORWARD_WHEN_NOT_REACHABLE_EV  When Not Reachable
TAPI_SS_FORWARD_WHEN_ALL_FORWARDING_EV  Forward All Calls

enum TelSsLineIdentificationType_t

These are the four types of identity presentation / restriction services.

Enumerator:
TAPI_CALLING_LINE_IDENTITY_PRESENTATION  identify the party calling this phone
TAPI_CALLING_LINE_IDENTITY_RESTRICTION  hide the identity of this phone when calling others
TAPI_CONNECTED_LINE_IDENTITY_PRESENTATION  identify the party to whom the calling party (this phone) is connected
TAPI_CONNECTED_LINE_IDENTITY_RESTRICTION  restrict yourself from being identified by incoming calls, such as forwarded calls
TAPI_CALLED_LINE_IDENTITY_PRESENTATION  Called line identity presentation
TAPI_CALLING_NAME_PRESENTATION  Calling Name Presentation

enum TelSsRestrictIDStatus_t

This enumeration defines the types of restrict identification .

Enumerator:
TAPI_CALL_RESTRICT_ID_DEPEND_NETWORK_EV  Depend on Network
TAPI_CALL_RESTRICT_ID_ENABLE_EV  Enable Restricted Call Id
TAPI_CALL_RESTRICT_ID_DISABLE_EV  Disable Restricted Call Id

enum TelSsStatus_t

The status of a supplementary service feature (e.g. Call Forwarding or Call Barring).
These enumerated values should be used as masks

Enumerator:
TAPI_SS_STATUS_ACTIVE  Active Status
TAPI_SS_STATUS_REGISTERED  SS Registered
TAPI_SS_STATUS_PROVISIONED  Provision established
TAPI_SS_STATUS_QUIESCENT  Provision established
TAPI_SS_STATUS_NOTHING  Status Nothing

enum TelSsTeleService_t

The types of telecommunication services are used for setting the statuses of supplementary services. They are typically not supported in IS-2000 or IS-136. See GSM 02.30 Annex C and GSM 22.030 Annex C.

Enumerator:
TAPI_SS_TS_ALL_TELE_AND_BEARER_SERVICES  All Teleservices & Bearer Services
TAPI_SS_TS_ALL_TELESERVICES  All Teleservices
TAPI_SS_TS_ALL_SPEECH  All Speech Services
TAPI_SS_TS_ALL_DATA_TELESERVICES  All Data Teleservices
TAPI_SS_TS_FACS  All Fax Service
TAPI_SS_TS_ALL_TELESERVICES_EXCEPT_SMS  All teleservice except SMS
TAPI_SS_TS_ALL_PLMN_SPEC_TELE  PLMN specific teleservices
TAPI_SS_TS_PLMN_SPEC_TELE_1  PLMN specific teleservice 1
TAPI_SS_TS_PLMN_SPEC_TELE_2  PLMN specific teleservice 2
TAPI_SS_TS_PLMN_SPEC_TELE_3  PLMN specific teleservice 3
TAPI_SS_TS_PLMN_SPEC_TELE_4  PLMN specific teleservice 4
TAPI_SS_TS_PLMN_SPEC_TELE_5  PLMN specific teleservice 5
TAPI_SS_TS_PLMN_SPEC_TELE_6  PLMN specific teleservice 6
TAPI_SS_TS_PLMN_SPEC_TELE_7  PLMN specific teleservice 7
TAPI_SS_TS_PLMN_SPEC_TELE_8  PLMN specific teleservice 8
TAPI_SS_TS_PLMN_SPEC_TELE_9  PLMN specific teleservice 9
TAPI_SS_TS_PLMN_SPEC_TELE_A  PLMN specific teleservice 10
TAPI_SS_TS_PLMN_SPEC_TELE_B  PLMN specific teleservice 11
TAPI_SS_TS_PLMN_SPEC_TELE_C  PLMN specific teleservice 12
TAPI_SS_TS_PLMN_SPEC_TELE_D  PLMN specific teleservice 13
TAPI_SS_TS_PLMN_SPEC_TELE_E  PLMN specific teleservice 14
TAPI_SS_TS_PLMN_SPEC_TELE_F  PLMN specific teleservice 15
TAPI_SS_BS_ALL_BEARER_SERVICES  All PLMN specific bearer services
TAPI_SS_BS_ALL_DATA_CDS  All Data CDS
TAPI_SS_BS_ALL_ASYNCHRONOUS  All Asynchronous
TAPI_SS_BS_ALL_SYNCHRONOUS  All Synchronous
TAPI_SS_BS_DATA_CIRCUIT_SYNC  All Data Circuit Synchronous
TAPI_SS_BS_DATA_CIRCUIT_ASYNC  All Data Circuit Asynchronous
TAPI_SS_BS_DATA_ALL_PDS  All Data PDS
TAPI_SS_BS_ALL_DATA_PADCA  All Data PADCA
TAPI_SS_BS_ALL_PLMN_SPEC_BS  All PLMN Spec BS
TAPI_SS_BS_PLMN_SPEC_TELE_1  PLMN specific bearer service 1
TAPI_SS_BS_PLMN_SPEC_TELE_2  PLMN specific bearer service 2
TAPI_SS_BS_PLMN_SPEC_TELE_3  PLMN specific bearer service 3
TAPI_SS_BS_PLMN_SPEC_TELE_4  PLMN specific bearer service 4
TAPI_SS_BS_PLMN_SPEC_TELE_5  PLMN specific bearer service 5
TAPI_SS_BS_PLMN_SPEC_TELE_6  PLMN specific bearer service 6
TAPI_SS_BS_PLMN_SPEC_TELE_7  PLMN specific bearer service 7
TAPI_SS_BS_PLMN_SPEC_TELE_8  PLMN specific bearer service 8
TAPI_SS_BS_PLMN_SPEC_TELE_9  PLMN specific bearer service 9
TAPI_SS_BS_PLMN_SPEC_TELE_A  PLMN specific bearer service 10
TAPI_SS_BS_PLMN_SPEC_TELE_B  PLMN specific bearer service 11
TAPI_SS_BS_PLMN_SPEC_TELE_C  PLMN specific bearer service 12
TAPI_SS_BS_PLMN_SPEC_TELE_D  PLMN specific bearer service 13
TAPI_SS_BS_PLMN_SPEC_TELE_E  PLMN specific bearer service 14
TAPI_SS_BS_PLMN_SPEC_TELE_F  PLMN specific bearer service 15
TAPI_SS_TS_ALL_DATA  All Data
TAPI_SS_TS_DATA_CIRCUIT_SYNC  Data Circuit Sync
TAPI_SS_TS_MULTIPLE  multiple
TAPI_SS_TS_TELEPHONY  Telephony
TAPI_SS_TS_DATA_CIRCUIT_ASYNC  Data Circuit Async
TAPI_SS_TS_DATA_PACKET  Data packet

enum TelSsType_t

This enumeration type defines the Supplementary service types

Enumerator:
TAPI_SS_TYPE_BARRING  Barring SS
TAPI_SS_TYPE_FORWARDING  Forward SS
TAPI_SS_TYPE_WAITING  Waiting SS
TAPI_SS_TYPE_IDENTIFICATION  Identification SS
TAPI_SS_TYPE_CNAP  CNAP SS
TYPE_SS_TYPE_USSD  Unstructured supplementary data SS

enum TelSsUssdIndType_t

This enumeration defines the ussd Indication Type

Enumerator:
TAPI_USSD_IND_NOTIFY  notify : to display ussd data to user
TAPI_USSD_IND_NO_ACTION_REQUIRE  No further user action required
TAPI_USSD_IND_ACTION_REQUIRE  Further user action required
TAPI_USSD_IND_TERMINATED_BY_NET  0x03 : USSD terminated by network
TAPI_USSD_IND_OTHER_CLIENT  0x04 : other local client has responded
TAPI_USSD_IND_NOT_SUPPORT  0x05 : operation not supported
TAPI_USSD_IND_TIME_OUT  0x06 : Time out when there is no response from network

enum TelSsUssdRespType_t

This enumeration defines the ussd response type

Enumerator:
TAPI_USSD_RES_UNKNOWN_ALPHABET  USSD data is unknown
TAPI_USSD_RES_DISPL_BUSY  USSD Data response is display busy
TAPI_USSD_RES_OK  USSD Data is encoded and properly propagated
TAPI_USSD_RES_NONE  NO USSD Response from client

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