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65 lines
1.7 KiB
65 lines
1.7 KiB
/*
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* Copyright (C) 2002-2003 Fhg Fokus
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*
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* This file is part of SEMS, a free SIP media server.
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*
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* SEMS is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* For a license to use the sems software under conditions
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* other than those described here, or to purchase support for this
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* software, please contact iptel.org by e-mail at the following addresses:
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* info@iptel.org
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*
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* SEMS 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/*
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* telephone_event.h -- RTP Payload for DTMF Digits (RFC 2833)
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*/
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#ifndef _telephone_event_h_
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#define _telephone_event_h_
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#include <sys/types.h>
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/*
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* The type definitions below are valid for 32-bit architectures and
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* may have to be adjusted for 16- or 64-bit architectures.
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*/
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typedef unsigned char u_int8;
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typedef unsigned short u_int16;
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typedef unsigned int u_int32;
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/*
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* DTMF Payload
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*/
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typedef struct {
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u_int8 event;
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#if (defined(__BYTE_ORDER) && (__BYTE_ORDER == __BIG_ENDIAN))
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u_int8 e:1;
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u_int8 r:1;
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u_int8 volume:6;
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#else
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u_int8 volume:6;
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u_int8 r:1;
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u_int8 e:1;
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#endif
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u_int16 duration;
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} dtmf_payload_t;
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#endif
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