Dialogic 6.2 Manuale Utente

Managing Calls Using IP Telephony

November 2009

217

Your application manages outgoing calls if it performs the following:

„

Uses the function calls from the table below

„

Does not do syntax validation of the dial string

„

Relies on the return status from the BfvLineOriginateCall 

function to determine call completion success. 

In this case the application is unaware of the mode of transport 

(PSTN or IP): 

 for more information about 

using Bfv function calls.

Starts the process of terminating a telephone call.

Starts the process of dialing an outgoing 

telephone call.

Retrieves the channel’s current call state.

Places the line in an OFF_HOOK state, dials the 

digits specified, and returns after dialing the last 

digit.

Checks the specified dialing database for the 

specified telephone number, returns the amount 

of time to wait before dialing, and then places the 

call on an outgoing line and updates the dialing 

database.

Dials an outgoing call (equivalent to the 

 and 

 lower 

level function calls.)

Terminates the current call (equivalent to the 

 and 

lower level function calls.)

 

Indicates the transfer capability of a channel. 

Also provides an application with information to 

determine whether two particular lines are paired 

to perform a two B-channel call transfer.

Waits for the outgoing telephone call to finish.

Waits for the termination of a telephone call to 

finish.