Multi frequency DTMF support - sender side

webrtc/modules/rtp_rtcp/source/rtp_rtcp_config.h

 /*
  *  Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 21 matching lines @@
 
 enum { MAX_NUMBER_OF_TEMPORAL_ID = 8 };              // RFC
 enum { MAX_NUMBER_OF_DEPENDENCY_QUALITY_ID = 128 };  // RFC
 enum { MAX_NUMBER_OF_REMB_FEEDBACK_SSRCS = 255 };
 
 enum { BW_HISTORY_SIZE = 35 };
 
 #define MIN_AUDIO_BW_MANAGEMENT_BITRATE 6
 #define MIN_VIDEO_BW_MANAGEMENT_BITRATE 30
 
-enum { DTMF_OUTBAND_MAX = 20 };
-
 enum { RTP_MAX_BURST_SLEEP_TIME = 500 };
 enum { RTP_AUDIO_LEVEL_UNIQUE_ID = 0xbede };
 enum { RTP_MAX_PACKETS_PER_FRAME = 512 };  // must be multiple of 32
 }  // namespace webrtc
 
 #endif  // WEBRTC_MODULES_RTP_RTCP_SOURCE_RTP_RTCP_CONFIG_H_