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net.sf.asterisk.fastagi
Interface AGIChannel

All Known Implementing Classes:
AGIChannelImpl
public interface AGIChannel

Provides the functionality to send AGICommands to Asterisk while handling an AGIRequest.
This interface is supposed to be used by AGIScripts for interaction with the Asterisk server.

Version:
$Id: AGIChannel.java,v 1.7 2005/11/27 17:31:05 srt Exp $
Author:
srt

Method Summary
 void answer()
          Answers the channel.
 int exec(java.lang.String application)
          Executes the given command.
 int exec(java.lang.String application, java.lang.String options)
          Executes the given command.
 int getChannelStatus()
          Returns the status of the channel.
Return values: 0 Channel is down and available 1 Channel is down, but reserved 2 Channel is off hook 3 Digits (or equivalent) have been dialed 4 Line is ringing 5 Remote end is ringing 6 Line is up 7 Line is busy
 java.lang.String getData(java.lang.String file)
          Plays the given file and waits for the user to enter DTMF digits until he presses '#'.
 java.lang.String getData(java.lang.String file, long timeout)
          Plays the given file and waits for the user to enter DTMF digits until he presses '#' or the timeout occurs.
 java.lang.String getData(java.lang.String file, long timeout, int maxDigits)
          Plays the given file and waits for the user to enter DTMF digits until he presses '#' or the timeout occurs or the maximum number of digits has been entered.
 java.lang.String getFullVariable(java.lang.String name)
          Returns the value of the current channel variable, unlike getVariable() this method understands complex variable names and builtin variables.
Available since Asterisk 1.2.
 java.lang.String getFullVariable(java.lang.String name, java.lang.String channel)
          Returns the value of the given channel variable.
Available since Asterisk 1.2.
 char getOption(java.lang.String file, java.lang.String escapeDigits)
          Plays the given file, and waits for the user to press one of the given digits.
 char getOption(java.lang.String file, java.lang.String escapeDigits, int timeout)
          Plays the given file, and waits for the user to press one of the given digits.
 java.lang.String getVariable(java.lang.String name)
          Returns the value of the current channel variable.
 void hangup()
          Hangs the channel up.
 void playMusicOnHold()
          Plays music on hold from the default music on hold class.
 void playMusicOnHold(java.lang.String musicOnHoldClass)
          Plays music on hold from the given music on hold class.
 void sayAlpha(java.lang.String text)
          Says the given character string.
 char sayAlpha(java.lang.String text, java.lang.String escapeDigits)
          Says the given character string, returning early if any of the given DTMF number are received on the channel.
 void sayDateTime(long time)
          Says the given time.
Available since Asterisk 1.2.
 char sayDateTime(long time, java.lang.String escapeDigits)
          Says the given time and allows interruption by one of the given escape digits.
Available since Asterisk 1.2.
 char sayDateTime(long time, java.lang.String escapeDigits, java.lang.String format)
          Says the given time in the given format and allows interruption by one of the given escape digits.
Available since Asterisk 1.2.
 char sayDateTime(long time, java.lang.String escapeDigits, java.lang.String format, java.lang.String timezone)
          Says the given time in the given format and timezone and allows interruption by one of the given escape digits.
Available since Asterisk 1.2.
 void sayDigits(java.lang.String digits)
          Says the given digit string.
 char sayDigits(java.lang.String digits, java.lang.String escapeDigits)
          Says the given number, returning early if any of the given DTMF number are received on the channel.
 void sayNumber(java.lang.String number)
          Says the given number.
 char sayNumber(java.lang.String number, java.lang.String escapeDigits)
          Says the given number, returning early if any of the given DTMF number are received on the channel.
 void sayPhonetic(java.lang.String text)
          Says the given character string with phonetics.
 char sayPhonetic(java.lang.String text, java.lang.String escapeDigits)
          Says the given character string with phonetics, returning early if any of the given DTMF number are received on the channel.
 void sayTime(long time)
          Says the given time.
 char sayTime(long time, java.lang.String escapeDigits)
          Says the given time, returning early if any of the given DTMF number are received on the channel.
 AGIReply sendCommand(AGICommand command)
          Sends a command to asterisk and returns the corresponding reply.
 void setAutoHangup(int time)
          Cause the channel to automatically hangup at the given number of seconds in the future.
 void setCallerId(java.lang.String callerId)
          Sets the caller id on the current channel.
 void setContext(java.lang.String context)
          Sets the context for continuation upon exiting the application.
 void setExtension(java.lang.String extension)
          Sets the extension for continuation upon exiting the application.
 void setPriority(java.lang.String priority)
          Sets the priority or label for continuation upon exiting the application.
 void setVariable(java.lang.String name, java.lang.String value)
          Sets the value of the current channel variable to a new value.
 void stopMusicOnHold()
          Stops playing music on hold.
 void streamFile(java.lang.String file)
          Plays the given file.
 char streamFile(java.lang.String file, java.lang.String escapeDigits)
          Plays the given file and allows the user to escape by pressing one of the given digit.
 char waitForDigit(int timeout)
          Waits up to 'timeout' milliseconds to receive a DTMF digit.
 

Method Detail

sendCommand

AGIReply sendCommand(AGICommand command)
                     throws AGIException
Sends a command to asterisk and returns the corresponding reply.

Parameters:
command - the command to send.
Returns:
the reply of the asterisk server containing the return value.
Throws:
AGIException - if the command can't be sent to Asterisk (for example because the channel has been hung up)

answer

void answer()
            throws AGIException
Answers the channel.

Throws:
AGIException
Since:
0.2

hangup

void hangup()
            throws AGIException
Hangs the channel up.

Throws:
AGIException
Since:
0.2

setAutoHangup

void setAutoHangup(int time)
                   throws AGIException
Cause the channel to automatically hangup at the given number of seconds in the future.

Parameters:
time - the number of seconds before this channel is automatically hung up.
0 disables the autohangup feature.
Throws:
AGIException
Since:
0.2

setCallerId

void setCallerId(java.lang.String callerId)
                 throws AGIException
Sets the caller id on the current channel.

Parameters:
callerId - the raw caller id to set, for example "John Doe<1234>".
Throws:
AGIException
Since:
0.2

playMusicOnHold

void playMusicOnHold()
                     throws AGIException
Plays music on hold from the default music on hold class.

Throws:
AGIException
Since:
0.2

playMusicOnHold

void playMusicOnHold(java.lang.String musicOnHoldClass)
                     throws AGIException
Plays music on hold from the given music on hold class.

Parameters:
musicOnHoldClass - the music on hold class to play music from as configures in Asterisk's .
Throws:
AGIException
Since:
0.2

stopMusicOnHold

void stopMusicOnHold()
                     throws AGIException
Stops playing music on hold.

Throws:
AGIException
Since:
0.2

getChannelStatus

int getChannelStatus()
                     throws AGIException
Returns the status of the channel.
Return values:
  • 0 Channel is down and available
  • 1 Channel is down, but reserved
  • 2 Channel is off hook
  • 3 Digits (or equivalent) have been dialed
  • 4 Line is ringing
  • 5 Remote end is ringing
  • 6 Line is up
  • 7 Line is busy

Returns:
the status of the channel.
Throws:
AGIException
Since:
0.2

getData

java.lang.String getData(java.lang.String file)
                         throws AGIException
Plays the given file and waits for the user to enter DTMF digits until he presses '#'. The user may interrupt the streaming by starting to enter digits.

Parameters:
file - the name of the file to play
Returns:
a String containing the DTMF the user entered
Throws:
AGIException
Since:
0.2

getData

java.lang.String getData(java.lang.String file,
                         long timeout)
                         throws AGIException
Plays the given file and waits for the user to enter DTMF digits until he presses '#' or the timeout occurs. The user may interrupt the streaming by starting to enter digits.

Parameters:
file - the name of the file to play
timeout - the timeout in milliseconds to wait for user input.
0 means standard timeout value, -1 means "ludicrous time" (essentially never times out).
Returns:
a String containing the DTMF the user entered
Throws:
AGIException
Since:
0.2

getData

java.lang.String getData(java.lang.String file,
                         long timeout,
                         int maxDigits)
                         throws AGIException
Plays the given file and waits for the user to enter DTMF digits until he presses '#' or the timeout occurs or the maximum number of digits has been entered. The user may interrupt the streaming by starting to enter digits.

Parameters:
file - the name of the file to play
timeout - the timeout in milliseconds to wait for user input.
0 means standard timeout value, -1 means "ludicrous time" (essentially never times out).
maxDigits - the maximum number of digits the user is allowed to enter
Returns:
a String containing the DTMF the user entered
Throws:
AGIException
Since:
0.2

getOption

char getOption(java.lang.String file,
               java.lang.String escapeDigits)
               throws AGIException
Plays the given file, and waits for the user to press one of the given digits. If none of the esacpe digits is pressed while streaming the file it waits for the default timeout of 5 seconds still waiting for the user to press a digit.

Parameters:
file - the name of the file to stream, must not include extension.
escapeDigits - contains the digits that the user is expected to press.
Returns:
the DTMF digit pressed or 0x0 if none was pressed.
Throws:
AGIException
Since:
0.2

getOption

char getOption(java.lang.String file,
               java.lang.String escapeDigits,
               int timeout)
               throws AGIException
Plays the given file, and waits for the user to press one of the given digits. If none of the esacpe digits is pressed while streaming the file it waits for the specified timeout still waiting for the user to press a digit.

Parameters:
file - the name of the file to stream, must not include extension.
escapeDigits - contains the digits that the user is expected to press.
timeout - the timeout in seconds to wait if none of the defined esacpe digits was presses while streaming.
Returns:
the DTMF digit pressed or 0x0 if none was pressed.
Throws:
AGIException
Since:
0.2

exec

int exec(java.lang.String application)
         throws AGIException
Executes the given command.

Parameters:
application - the name of the application to execute, for example "Dial".
Returns:
the return code of the application of -2 if the application was not found.
Throws:
AGIException
Since:
0.2

exec

int exec(java.lang.String application,
         java.lang.String options)
         throws AGIException
Executes the given command.

Parameters:
application - the name of the application to execute, for example "Dial".
options - the parameters to pass to the application, for example "SIP/123".
Returns:
the return code of the application of -2 if the application was not found.
Throws:
AGIException
Since:
0.2

setContext

void setContext(java.lang.String context)
                throws AGIException
Sets the context for continuation upon exiting the application.

Parameters:
context - the context for continuation upon exiting the application.
Throws:
AGIException
Since:
0.2

setExtension

void setExtension(java.lang.String extension)
                  throws AGIException
Sets the extension for continuation upon exiting the application.

Parameters:
extension - the extension for continuation upon exiting the application.
Throws:
AGIException
Since:
0.2

setPriority

void setPriority(java.lang.String priority)
                 throws AGIException
Sets the priority or label for continuation upon exiting the application.

Parameters:
priority - the priority or label for continuation upon exiting the application.
Throws:
AGIException
Since:
0.2

streamFile

void streamFile(java.lang.String file)
                throws AGIException
Plays the given file.

Parameters:
file - name of the file to play.
Throws:
AGIException
Since:
0.2

streamFile

char streamFile(java.lang.String file,
                java.lang.String escapeDigits)
                throws AGIException
Plays the given file and allows the user to escape by pressing one of the given digit.

Parameters:
file - name of the file to play.
escapeDigits - a String containing the DTMF digits that allow the user to escape.
Returns:
the DTMF digit pressed or 0x0 if none was pressed.
Throws:
AGIException
Since:
0.2

sayDigits

void sayDigits(java.lang.String digits)
               throws AGIException
Says the given digit string.

Parameters:
digits - the digit string to say.
Throws:
AGIException
Since:
0.2

sayDigits

char sayDigits(java.lang.String digits,
               java.lang.String escapeDigits)
               throws AGIException
Says the given number, returning early if any of the given DTMF number are received on the channel.

Parameters:
digits - the digit string to say.
escapeDigits - a String containing the DTMF digits that allow the user to escape.
Returns:
the DTMF digit pressed or 0x0 if none was pressed.
Throws:
AGIException
Since:
0.2

sayNumber

void sayNumber(java.lang.String number)
               throws AGIException
Says the given number.

Parameters:
number - the number to say.
Throws:
AGIException
Since:
0.2

sayNumber

char sayNumber(java.lang.String number,
               java.lang.String escapeDigits)
               throws AGIException
Says the given number, returning early if any of the given DTMF number are received on the channel.

Parameters:
number - the number to say.
escapeDigits - a String containing the DTMF digits that allow the user to escape.
Returns:
the DTMF digit pressed or 0x0 if none was pressed.
Throws:
AGIException
Since:
0.2

sayPhonetic

void sayPhonetic(java.lang.String text)
                 throws AGIException
Says the given character string with phonetics.

Parameters:
text - the text to say.
Throws:
AGIException
Since:
0.2

sayPhonetic

char sayPhonetic(java.lang.String text,
                 java.lang.String escapeDigits)
                 throws AGIException
Says the given character string with phonetics, returning early if any of the given DTMF number are received on the channel.

Parameters:
text - the text to say.
escapeDigits - a String containing the DTMF digits that allow the user to escape.
Returns:
the DTMF digit pressed or 0x0 if none was pressed.
Throws:
AGIException
Since:
0.2

sayAlpha

void sayAlpha(java.lang.String text)
              throws AGIException
Says the given character string.

Parameters:
text - the text to say.
Throws:
AGIException
Since:
0.2

sayAlpha

char sayAlpha(java.lang.String text,
              java.lang.String escapeDigits)
              throws AGIException
Says the given character string, returning early if any of the given DTMF number are received on the channel.

Parameters:
text - the text to say.
escapeDigits - a String containing the DTMF digits that allow the user to escape.
Returns:
the DTMF digit pressed or 0x0 if none was pressed.
Throws:
AGIException
Since:
0.2

sayTime

void sayTime(long time)
             throws AGIException
Says the given time.

Parameters:
time - the time to say in seconds since 00:00:00 on January 1, 1970.
Throws:
AGIException
Since:
0.2

sayTime

char sayTime(long time,
             java.lang.String escapeDigits)
             throws AGIException
Says the given time, returning early if any of the given DTMF number are received on the channel.

Parameters:
time - the time to say in seconds since 00:00:00 on January 1, 1970.
escapeDigits - a String containing the DTMF digits that allow the user to escape.
Returns:
the DTMF digit pressed or 0x0 if none was pressed.
Throws:
AGIException
Since:
0.2

getVariable

java.lang.String getVariable(java.lang.String name)
                             throws AGIException
Returns the value of the current channel variable.

Parameters:
name - the name of the variable to retrieve.
Returns:
the value of the given variable or null if not set.
Throws:
AGIException
Since:
0.2

setVariable

void setVariable(java.lang.String name,
                 java.lang.String value)
                 throws AGIException
Sets the value of the current channel variable to a new value.

Parameters:
name - the name of the variable to retrieve.
value - the new value to set.
Throws:
AGIException
Since:
0.2

waitForDigit

char waitForDigit(int timeout)
                  throws AGIException
Waits up to 'timeout' milliseconds to receive a DTMF digit.

Parameters:
timeout - timeout the milliseconds to wait for the channel to receive a DTMF digit, -1 will wait forever.
Returns:
the DTMF digit pressed or 0x0 if none was pressed.
Throws:
AGIException
Since:
0.2

getFullVariable

java.lang.String getFullVariable(java.lang.String name)
                                 throws AGIException
Returns the value of the current channel variable, unlike getVariable() this method understands complex variable names and builtin variables.
Available since Asterisk 1.2.

Parameters:
name - the name of the variable to retrieve.
Returns:
the value of the given variable or null if not set.
Throws:
AGIException
Since:
0.2

getFullVariable

java.lang.String getFullVariable(java.lang.String name,
                                 java.lang.String channel)
                                 throws AGIException
Returns the value of the given channel variable.
Available since Asterisk 1.2.

Parameters:
name - the name of the variable to retrieve.
channel - the name of the channel.
Returns:
the value of the given variable or null if not set.
Throws:
AGIException
Since:
0.2

sayDateTime

void sayDateTime(long time)
                 throws AGIException
Says the given time.
Available since Asterisk 1.2.

Parameters:
time - the time to say in seconds elapsed since 00:00:00 on January 1, 1970, Coordinated Universal Time (UTC)
Throws:
AGIException
Since:
0.2

sayDateTime

char sayDateTime(long time,
                 java.lang.String escapeDigits)
                 throws AGIException
Says the given time and allows interruption by one of the given escape digits.
Available since Asterisk 1.2.

Parameters:
time - the time to say in seconds elapsed since 00:00:00 on January 1, 1970, Coordinated Universal Time (UTC)
escapeDigits - the digits that allow the user to interrupt this command or null for none.
Returns:
the DTMF digit pressed or 0x0 if none was pressed.
Throws:
AGIException
Since:
0.2

sayDateTime

char sayDateTime(long time,
                 java.lang.String escapeDigits,
                 java.lang.String format)
                 throws AGIException
Says the given time in the given format and allows interruption by one of the given escape digits.
Available since Asterisk 1.2.

Parameters:
time - the time to say in seconds elapsed since 00:00:00 on January 1, 1970, Coordinated Universal Time (UTC)
escapeDigits - the digits that allow the user to interrupt this command or null for none.
format - the format the time should be said in
Returns:
the DTMF digit pressed or 0x0 if none was pressed.
Throws:
AGIException
Since:
0.2

sayDateTime

char sayDateTime(long time,
                 java.lang.String escapeDigits,
                 java.lang.String format,
                 java.lang.String timezone)
                 throws AGIException
Says the given time in the given format and timezone and allows interruption by one of the given escape digits.
Available since Asterisk 1.2.

Parameters:
time - the time to say in seconds elapsed since 00:00:00 on January 1, 1970, Coordinated Universal Time (UTC)
escapeDigits - the digits that allow the user to interrupt this command or null for none.
format - the format the time should be said in
timezone - the timezone to use when saying the time, for example "UTC" or "Europe/Berlin".
Returns:
the DTMF digit pressed or 0x0 if none was pressed.
Throws:
AGIException
Since:
0.2
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