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Added mod_khomp Endpoint.
This module has been developed to make a nice, affordable brazilian board called Khomp (http://www.khomp.com.br) compatible with FreeSWITCH. Supported boards: - FXS - FXO - E1 - GSM (boards and usb devices) - Passive record - kommuter
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Geovani Ricardo Wiedenhoft committed
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/*******************************************************************************
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KHOMP generic endpoint/channel library.
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Copyright (C) 2007-2010 Khomp Ind. & Com.
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The contents of this file are subject to the Mozilla Public License
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Version 1.1 (the "License"); you may not use this file except in compliance
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with the License. You may obtain a copy of the License at
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http://www.mozilla.org/MPL/
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Software distributed under the License is distributed on an "AS IS" basis,
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WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for
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the specific language governing rights and limitations under the License.
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Alternatively, the contents of this file may be used under the terms of the
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"GNU Lesser General Public License 2.1" license (the “LGPL" License), in which
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case the provisions of "LGPL License" are applicable instead of those above.
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If you wish to allow use of your version of this file only under the terms of
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the LGPL License and not to allow others to use your version of this file
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under the MPL, indicate your decision by deleting the provisions above and
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replace them with the notice and other provisions required by the LGPL
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License. If you do not delete the provisions above, a recipient may use your
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version of this file under either the MPL or the LGPL License.
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The LGPL header follows below:
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this library; if not, write to the Free Software Foundation,
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Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*******************************************************************************/
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#ifndef _KHOMP_PVT_FXO_H_
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#define _KHOMP_PVT_FXO_H_
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#include "khomp_pvt.h"
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#include "applications.h"
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/******************************************************************************/
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/********************************* FXO Board **********************************/
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/******************************************************************************/
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struct BoardFXO: public Board
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{
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/******************************************************************************/
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/******************************** FXO Channel *********************************/
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struct KhompPvtFXO: public KhompPvt
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{
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/********************************** FXO Call **********************************/
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struct CallFXO : public Call
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{
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CallFXO() {}
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bool process(std::string name, std::string value = "")
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{
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if (name == "pre")
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{
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DBG(FUNC, D("pre digits adjusted (%s).") % value);
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_pre_digits = value;
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}
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else if (name == "answer_info")
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{
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_call_info_report = true;
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}
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else if (name == "drop_on")
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{
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_call_info_report = true;
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Strings::vector_type drop_item;
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Strings::tokenize (value, drop_item, ".+");
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for (Strings::vector_type::iterator i = drop_item.begin(); i != drop_item.end(); i++)
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{
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if ((*i) == "message_box") _call_info_drop |= CI_MESSAGE_BOX;
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else if ((*i) == "human_answer") _call_info_drop |= CI_HUMAN_ANSWER;
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else if ((*i) == "answering_machine") _call_info_drop |= CI_ANSWERING_MACHINE;
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else if ((*i) == "carrier_message") _call_info_drop |= CI_CARRIER_MESSAGE;
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else if ((*i) == "unknown") _call_info_drop |= CI_UNKNOWN;
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else
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{
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LOG(ERROR, FMT("unknown paramenter to 'calldrop' Dial option: '%s'.") % (*i));
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continue;
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}
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DBG(FUNC, FMT("droping call on '%s'.") % (*i));
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}
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}
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else if (name == "usr_xfer")
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{
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_user_xfer_digits = value;
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}
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else
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{
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return Call::process(name, value);
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}
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return true;
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}
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bool clear()
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{
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_pre_digits.clear();
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_call_info_report = false;
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_call_info_drop = 0;
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_user_xfer_digits = Opt::_user_xfer;
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_user_xfer_buffer.clear();
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_digits_buffer.clear();
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_var_fax_adjust = T_UNKNOWN;
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return Call::clear();
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}
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std::string _pre_digits;
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/* report what we got? */
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bool _call_info_report;
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/* what call info flags should make us drop the call? */
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long int _call_info_drop;
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/* used for xfer on user signaling */
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std::string _user_xfer_digits;
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std::string _user_xfer_buffer;
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std::string _digits_buffer;
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TriState _var_fax_adjust;
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//ChanTimer::Index _idx_disconnect;
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};
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/******************************************************************************/
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KhompPvtFXO(K3LAPI::target & target) : KhompPvt(target)
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{
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_fax = new Fax(this);
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_transfer = new Transfer<CallFXO>(this);
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command(KHOMP_LOG, CM_ENABLE_CALL_ANSWER_INFO);
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}
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~KhompPvtFXO()
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{
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delete _fax;
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delete _transfer;
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}
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CallFXO * callFXO()
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{
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return (CallFXO *)call();
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}
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int makeCall(std::string params = "");
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bool doChannelAnswer(CommandRequest &);
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bool onNewCall(K3L_EVENT *e);
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bool onDisconnect(K3L_EVENT *e);
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bool onChannelRelease(K3L_EVENT *e);
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bool onCallSuccess(K3L_EVENT *e);
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bool onCallFail(K3L_EVENT *e);
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bool onAudioStatus(K3L_EVENT *e);
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bool onSeizeSuccess(K3L_EVENT *e);
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bool onDtmfDetected(K3L_EVENT *e);
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bool onDtmfSendFinish(K3L_EVENT *);
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bool onCallAnswerInfo(K3L_EVENT *e);
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virtual bool eventHandler(K3L_EVENT *e)
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{
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DBG(STRM, D("(FXO) c"));
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bool ret = true;
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switch(e->Code)
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{
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case EV_NEW_CALL:
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ret = onNewCall(e);
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break;
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case EV_DISCONNECT:
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ret = onDisconnect(e);
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break;
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case EV_CHANNEL_FREE:
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case EV_CHANNEL_FAIL:
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ret = onChannelRelease(e);
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break;
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case EV_CALL_SUCCESS:
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ret = onCallSuccess(e);
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break;
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case EV_CALL_FAIL:
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ret = onCallFail(e);
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break;
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case EV_AUDIO_STATUS:
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ret = onAudioStatus(e);
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break;
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case EV_SEIZE_SUCCESS:
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ret = onSeizeSuccess(e);
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break;
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case EV_DTMF_DETECTED:
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case EV_PULSE_DETECTED:
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ret = onDtmfDetected(e);
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break;
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case EV_DTMF_SEND_FINISH:
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ret = onDtmfSendFinish(e);
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break;
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case EV_CALL_ANSWER_INFO:
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ret = onCallAnswerInfo(e);
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break;
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case EV_FAX_CHANNEL_FREE:
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ret = _fax->onFaxChannelRelease(e);
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break;
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case EV_FAX_FILE_SENT:
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case EV_FAX_FILE_FAIL:
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case EV_FAX_TX_TIMEOUT:
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case EV_FAX_PAGE_CONFIRMATION:
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case EV_FAX_REMOTE_INFO:
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break;
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case EV_POLARITY_REVERSAL:
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break;
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default:
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ret = KhompPvt::eventHandler(e);
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break;
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}
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DBG(STRM, D("(FXO) r"));
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return ret;
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}
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bool application(ApplicationType type, switch_core_session_t * session, const char *data);
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bool setupConnection();
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bool autoGainControl(bool enable);
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void setAnswerInfo(int answer_info);
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bool indicateBusyUnlocked(int cause, bool sent_signaling = false);
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void reportFailToReceive(int fail_code);
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bool validContexts(Board::KhompPvt::ContextListType & contexts, std::string extra_context = "");
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bool isOK(void);
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bool isPhysicalFree()
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{
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K3L_CHANNEL_STATUS status;
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if (k3lGetDeviceStatus (_target.device, _target.object + ksoChannel, &status, sizeof (status)) != ksSuccess)
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return false;
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bool physically_free = (status.AddInfo == kfcsEnabled);
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if(status.CallStatus != kcsFree || !physically_free)
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{
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DBG(FUNC, PVT_FMT(_target, "call status not free, or not physically free!"));
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return false;
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}
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return true;
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}
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virtual bool cleanup(CleanupType type = CLN_HARD)
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{
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//Board::board(_target.device)->_timers.del(callFXO()->_idx_disconnect);
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//callFXO()->_idx_disconnect.reset();
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call()->_flags.clear(Kflags::CALL_WAIT_SEIZE);
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call()->_flags.clear(Kflags::EARLY_RINGBACK);
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_transfer->clear();
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switch (type)
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{
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case CLN_HARD:
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case CLN_FAIL:
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call()->_flags.clear(Kflags::FAX_DETECTED);
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break;
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case CLN_SOFT:
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break;
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}
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return KhompPvt::cleanup(type);
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}
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virtual void getSpecialVariables()
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{
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try
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{
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const char * str_fax = getFSChannelVar("KAdjustForFax");
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callFXO()->_var_fax_adjust = (str_fax ? (!SAFE_strcasecmp(str_fax, "true") ? T_TRUE : T_FALSE) : T_UNKNOWN);
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}
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catch(Board::KhompPvt::InvalidSwitchChannel & err)
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{
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LOG(ERROR, PVT_FMT(_target, "(FXO) %s") % err._msg.c_str());
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}
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KhompPvt::getSpecialVariables();
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}
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bool sendDtmf(std::string digit);
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/* used by app FAX */
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Fax * _fax;
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Transfer<CallFXO> * _transfer;
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// static void delayedDisconnect(Board::KhompPvt * pvt);
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};
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/******************************************************************************/
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/******************************************************************************/
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BoardFXO(int id) : Board(id) {}
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void initializeChannels(void)
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{
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LOG(MESSAGE, "(FXO) loading channels ...");
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for (unsigned obj = 0; obj < Globals::k3lapi.channel_count(_device_id); obj++)
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{
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K3LAPI::target tgt(Globals::k3lapi, K3LAPI::target::CHANNEL, _device_id, obj);
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KhompPvt * pvt;
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switch(Globals::k3lapi.channel_config(_device_id, obj).Signaling)
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{
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case ksigAnalog:
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pvt = new BoardFXO::KhompPvtFXO(tgt);
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pvt->_call = new BoardFXO::KhompPvtFXO::CallFXO();
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DBG(FUNC, "(FXO) FXO channel");
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break;
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default:
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pvt = new Board::KhompPvt(tgt);
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pvt->_call = new Board::KhompPvt::Call();
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DBG(FUNC, FMT("(FXO) signaling %d unknown") % Globals::k3lapi.channel_config(_device_id, obj).Signaling);
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break;
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}
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_channels.push_back(pvt);
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pvt->cleanup();
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}
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}
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/*
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virtual bool eventHandler(const int obj, K3L_EVENT *e)
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{
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DBG(STRM, D("(FXO Board) c"));
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bool ret = true;
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switch(e->Code)
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{
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case :
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break;
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default:
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ret = Board::eventHandler(obj, e);
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break;
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}
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DBG(STRM, D("(FXO Board) r"));
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return ret;
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}
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*/
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};
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/******************************************************************************/
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/******************************************************************************/
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/******************************************************************************/
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#endif /* _KHOMP_PVT_FXO_H_*/
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