rtp-session/examples/dtmf_detection/receiver.js

Real-time Transport Protocol session library

const DtmfDetectionStream = require('dtmf-detection-stream')
const RtpSession = require('../../index.js')

const args = process.argv

if(args.length != 6) {
	console.log(`
Invalid Number of arguments. 

Parameters: local_ip local_port remote_ip remote_port
Ex:         127.0.0.1 8890 127.0.0.1 8892
`)

	process.exit(1)
}

const local_ip = process.argv[2]
const local_port = parseInt(process.argv[3])
const remote_ip = process.argv[4]
const remote_port = parseInt(process.argv[5])

const format = {
	sampleRate: 8000,
	bitDepth: 16,
	channels: 1,
}

const dds = new DtmfDetectionStream(format)

dds.on('digit', digit => {
	console.log('got digit', digit)
})

const rs_args = {
	payload_type: 0,
	ssrc: 0x12345678,
}

const rs = new RtpSession(rs_args)
rs.set_local_end_point(local_ip, local_port)

rs.set_remote_end_point(remote_ip, remote_port)

rs.on('data', data => {
	dds.write(data)
})