On DM3 boards, the gc_CallAck( ) function is not supported for E-1/T-1.
On Springware boards, the gc_CallAck( ) function may be called before issuing a gc_AcceptCall( ) or a gc_AnswerCall( ) function to indicate to the network if more information is desired before completing the call. This function is used to request additional DDI digits from the network. After using this function, call the gc_GetCallInfo( ) function to retrieve the digits. The gc_GetCallInfo( ) function will return all DDI digits collected from the network (including both the digits already received and those returned by the network in response to the gc_CallAck( ) function call). Using the gc_CallAck( ) function for this service is described in the Global Call API Library Reference.
The valid range of values for the gc_CallAck( ) function info_len field is from 1 to GCDG_MAXDIGIT. If more than GCDG_MAXDIGIT digits are required, or if an unknown number of digits is to be requested, set the info_len field to GCDG_NDIGIT.
The value GCDG_PARTIAL may be ORed with the number of digits field if the application needs to call the gc_CallAck( ) function again for this call (that is, if the application needs additional DDI digits before accepting or rejecting the call).
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