Exploring Extended TAPI Functions

Retrieving General Information:
We will start this part of tutorial from regular things. This section describes how to obtain various general information for specified TAPI device. This function groups belong to Extended TAPI. ExTAPI, proving its name, extends wireless API with different options:
• various device specific info
• info about signal strength
• info about system type
• info about line operators
• choosing the cellular network
• registering lines for specific operator
• get/set GPRS class
• get/set equipment state
• and more...
'Get/Set' functions
There are a couple dozen get/set-functions that give you a lot of useful information and allow managing line devices. It doesn't make sense to describe them all here; I'll only put a brief 'get' calls reference. You will find detailed explanations in SDK help:
• lineGetCallBarringCaps
• lineGetCallBarringState
• lineGetCallWaitingCaps
• lineGetCallWaitingState
• lineGetCurrentAddressID
• lineGetCurrentHSCSDStatus
• lineGetCurrentOperator
• lineGetCurrentSystemType
• lineGetEquipmentState
• lineGetGeneralInfo
• lineGetGPRSClass
• lineGetHSCSDCaps
• lineGetHSCSDState
• lineGetMuteState
• lineGetNumberCalls
• lineGetOperatorStatus
• lineGetRadioPresence
• lineGetRegisterStatus
• lineGetSendCallerIDState
• lineGetUSSD
Network operator related functions
ExTAPI exposes several functions that you can use to manage network operator-related stuff:
• lineRegister
• lineUnregister
• lineGetRegisterStatus
• lineGetCurrentOperator
• lineGetOperatorStatus
• lineSetPreferredOperator