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-- Gemeinschaft 5 module: dtmf class
-- (c) AMOOMA GmbH 2013
--
module(...,package.seeall)
Dtmf = {}
-- create dtmf object
function Dtmf.new(self, arg)
arg = arg or {}
object = arg.object or {}
setmetatable(object, self);
self.__index = self;
self.class = 'Dtmf';
self.log = arg.log;
self.bleg = arg.bleg
self.digit_timeout = arg.digit_timeout or 5;
self.router = arg.router;
return object;
end
function Dtmf.detect(self, caller, sequence, digit, duration, calee)
local timestamp = os.time();
if timestamp - sequence.updated > self.digit_timeout then
sequence.digits = digit;
else
sequence.digits = sequence.digits .. digit;
end
caller.dtmf_digits = sequence.digits;
if calee then
self.log:debug('DTMF_RECEIVER callee - digit: [', digit, '][', duration, '], sequence: ', sequence.digits);
else
self.log:debug('DTMF_RECEIVER caller - digit: [', digit, '][', duration, '], sequence: ', sequence.digits);
end
local route = self.router:route_run('dtmf', true);
sequence.updated = timestamp;
if not route then
return;
end
if route.type == 'dialplanfunction' or route.type == 'phonenumber' or route.type == 'unknown' then
self:transfer(caller, route.destination_number, calee)
else
self.log:notice('DTMF_RECEIVER - unhandled destination: ', route.type, '=', route.id);
end
end
function Dtmf.transfer(self, caller, destination, calee)
require 'common.fapi'
local fapi = common.fapi.FApi:new{ log = log };
local callee_uuid = caller:to_s('bridge_to');
self.log:notice('DTMF_RECEIVER_TRANSFER - destination: ', destination, ', uuid: ', caller.uuid, ', callee_uuid: ', callee_uuid, ', callee_initiated: ', calee);
if calee then
caller:execute('transfer', destination);
fapi:execute('uuid_kill', callee_uuid);
else
fapi:execute('uuid_transfer', callee_uuid .. ' ' .. destination);
caller.session:hangup();
end
end
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