Mercurial > hg > audiostuff
view spandsp-0.0.3/spandsp-0.0.3/src/spandsp/t30_fcf.h @ 5:f762bf195c4b
import spandsp-0.0.3
author | Peter Meerwald <pmeerw@cosy.sbg.ac.at> |
---|---|
date | Fri, 25 Jun 2010 16:00:21 +0200 |
parents | |
children |
line wrap: on
line source
/* * SpanDSP - a series of DSP components for telephony * * fcf.h - ITU T.30 fax control field definitions * * Written by Steve Underwood <steveu@coppice.org> * * Copyright (C) 2003 Steve Underwood * * All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2, as * published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * * $Id: t30_fcf.h,v 1.9 2006/10/24 13:45:28 steveu Exp $ */ /*! \file */ #if !defined(_T30_FCF_H_) #define _T30_FCF_H_ /*! Initial identification messages */ /*! From the called to the calling terminal. */ #define T30_DIS 0x80 /*! Digital identification signal */ #define T30_CSI 0x40 /*! Called subscriber identification */ #define T30_NSF 0x20 /*! Non-standard facilities */ /*! Commands to send */ /*! From a calling terminal wishing to be a receiver, to a called terminal which is capable of transmitting. */ #define T30_DTC 0x81 /*! Digital transmit command */ #define T30_CIG 0x41 /*! Calling subscriber identification */ #define T30_NSC 0x21 /*! Non-standard facilities command */ #define T30_PWD 0xC1 /*! Password */ #define T30_SEP 0xA1 /*! Selective polling */ #define T30_PSA 0x61 /*! Polled subaddress */ #define T30_CIA 0xE1 /*! Calling subscriber internet address */ #define T30_ISP 0x11 /*! Internet selective polling address */ /*! Commands to receive */ /*! From a calling terminal wishing to be a transmitter, to a called terminal which is capable of receiving. */ #define T30_DCS 0x82 /*! Digital command signal */ #define T30_TSI 0x42 /*! Transmitting subscriber information */ #define T30_NSS 0x22 /*! Non-standard facilities set-up */ #define T30_SUB 0xC2 /*! Subaddress */ #define T30_SID 0xA2 /*! Sender identification */ /*! T30_TCF - Training check is a burst of 1.5s of zeros sent using the image modem */ #define T30_CTC 0x12 /*! Continue to correct */ #define T30_TSA 0x62 /*! Transmitting subscriber internet address */ #define T30_IRA 0xE2 /*! Internet routing address */ /*! Pre-message response signals */ /*! From the receiver to the transmitter. */ #define T30_CFR 0x84 /*! Confirmation to receive */ #define T30_FTT 0x44 /*! Failure to train */ #define T30_CTR 0xC4 /*! Response for continue to correct */ #define T30_CSA 0x24 /*! Called subscriber internet address */ /*! Post-message commands */ #define T30_EOM 0x8E /*! End of message */ #define T30_MPS 0x4E /*! Multipage signal */ #define T30_EOP 0x2E /*! End of procedure */ #define T30_PRI_EOM 0x9E /*! Procedure interrupt - end of procedure */ #define T30_PRI_MPS 0x5E /*! Procedure interrupt - multipage signal */ #define T30_PRI_EOP 0x3E /*! Procedure interrupt - end of procedure */ #define T30_EOS 0x1E /*! End of selection */ #define T30_PPS 0xBE /*! Partial page signal */ #define T30_EOR 0xCE /*! End of retransmission */ #define T30_RR 0x6E /*! Receiver ready */ /*! Post-message responses */ #define T30_MCF 0x8C /*! Message confirmation */ #define T30_RTP 0xCC /*! Retrain positive */ #define T30_RTN 0x4C /*! Retrain negative */ #define T30_PIP 0xAC /*! Procedure interrupt positive */ #define T30_PIN 0x2C /*! Procedure interrupt negative */ #define T30_PPR 0xBC /*! Partial page request */ #define T30_RNR 0xEC /*! Receive not ready */ #define T30_ERR 0x1C /*! Response for end of retransmission */ #define T30_FDM 0xFC /*! File diagnostics message */ /*! Other line control signals */ #define T30_DCN 0xFA /*! Disconnect */ #define T30_CRP 0x1A /*! Command repeat */ #define T30_FNV 0xCA /*! Field not valid */ #define T30_TNR 0xEA /*! Transmit not ready */ #define T30_TR 0x6A /*! Transmit ready */ #define T30_PID 0x6C /*! Procedure interrupt disconnect */ /*! Something only use as a secondary value in error correcting mode */ #define T30_NULL 0x00 /*! Nothing to say */ /*! Information frame types used for error correction mode, in T.4 */ #define T4_FCD 0x06 /*! Facsimile coded data */ #define T4_RCP 0x86 /*! Return to control for partial page */ #endif /*- End of file ------------------------------------------------------------*/