Getting Started: Developing Tropo Applications

Getting Started
Developing Tropo Applications
Phil Bellanti - Technical Marketing Engineer
DEVNET-1023

• Introductions
• Tropo Overview
• Incoming Calls
• Outgoing Calls
• Advanced Features
• Text Messaging (SMS)
• Advanced Speech Concepts
• REST APIs
• What is WebAPI?
• Questions?
Agenda

© 2016 Cisco and/or its affiliates. All rights reserved. Cisco Public
Cloud APIs enabling developers to quickly
and easily embed communication
capabilities into their applications and
business processes.
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Old-style
Communication
Development
4DEVNET-1023

+
• Ask
• Call
• Conference
• Hangup
• Record
• Reject
• Say
• Transfer
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PHP
<?php
answer();
say("Hello World");
hangup();
?>
Javascript
answer();
say("Hello World");
hangup();
Ruby
answer
say "Hello World"
hangup
Python
answer()
say("Hello World")
hangup()
Groovy
answer()
say("Hello World")
hangup()
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<?php
$options = array('choices' => '1 (1, sales),
2 (2, support)');
$result = ask('Hi. For sales, say Sales or press 1.
For support, say Support or press 2.',
$options);
if ($result->name == 'choice') {
switch ($result->value) {
case 1:
say('Your money is important to us.');
break;
case 2:
say('Your call will be ignored in the order
received.');
break;
}
}
?>
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Inbound Capabilities:
User Calls or Texts App
• Surveys / Voting
• Voice Search
• Seasonal Spikes
• Audio Conferencing
• Information Lookup
• Basic Auto Attendant
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© 2016 Cisco and/or its affiliates. All rights reserved. Cisco Public 12
Incoming Calls
answer();
say("Welcome to Tropo!");
hangup();
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Incoming Calls
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Playing Audio
say("http://www.phono.com/audio/troporocks.mp3")
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Asking Questions
var result = ask("What's your favorite color?
Choose from red, blue or green.", {
choices:"red, blue, green"
});
say("You said " + result.value);
log("They said " + result.value);
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Asking Questions
var result=ask("Pick a number from 0 to 9", {
choices:"0,1,2,3,4,5,6,7,8,9"
});
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Grammar Builtins
result=ask("Pick a number from 0 to 9", {
choices:"[1 DIGIT]"
});
choices:"[4 DIGITS]"
OR
choices:"[4-16 DIGITS]"
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Outbound Capabilities:
App Calls or Texts User
• Voice Broadcast
• Conditional Alerts
• Click-to-Call
• Appointment Reminders
• Two Factor Authentication
• Confirmation SMS
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Outgoing Calls
call("+14155550100");
say("Tag, you’re it!");
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Outgoing Calls
call("sip:alice@example.com");
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Outgoing Calls
call("+14155550100");
call("14155550100");
call("4155550100");
call("+1 415 555-0100");
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Outgoing Calls
call(
[
"+14075550100",
"sip:alice@example.com"
]
);
say("Tag, you're it!");
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call('+' + numberToDial);
say("Hey, "+ customerName +": "+ msg);
POST /rest/1/Sessions
{
"token": "abcdef123456",
"customerName": "John Dyer",
"numberToDial": "14075551212",
"msg": "the sky is falling."
}
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{
}
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{
}
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{
"whatever": "14075551212"
}
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{
"whatever": "14075551212"
}
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{
"whatever": "14075551212"
}
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call('+' + whatever);
{
"whatever": "14075551212"
}
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Controlling a Call
transfer("+14075550100");
transfer([
"+14075550100",
"+16505559876"
]);
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transfer(["+14075550100","sip:12345678912
@221.122.54.86"], {
playvalue:
"http://example.com/holdmusic.mp3",
terminator: "*",
onTimeout: function(event) {
say("nobody answered");
}
});
34DEVNET-1023

Rejecting calls
reject();
var callerID = currentCall.callerID;
if (callerID == "4155550100") {
reject();
}
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Redirect
redirect("sip:alice@example.com");
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record("Leave your message at the beep.
Press pound when finished.", {
beep:true,
timeout:10,
silenceTimeout:7,
maxTime:60,
terminator:'#',
recordFormat:"audio/mp3",
recordURI:"ftp://example.com/1.mp3",
recordUser:"tropocloud",
recordPassword:"password"
}
);
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var rec = record("Leave a message.");
say(rec.value);
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say(rec.value);
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say(rec.value);
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startCallRecording("http://example.com/recording.js");
ask("What's your favorite color? Choose from red,
blue or green.", {
choices:"red, blue, green"
});
stopCallRecording();
42DEVNET-1023

Reading Caller ID
if (currentCall.callerID == "4075550100") {
say("Sending you to Adam.");
transfer("+19166002497");
}
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Setting Caller ID
call("+19165550101", {
callerID:"+14075550100"
});
transfer("+19165550100", {
callerID: "14075550100"
});
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Rejecting calls
reject();
var callerID = currentCall.callerID;
if (callerID == "4155550100") {
reject();
}
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Hanging up
• Explicitly, through hangup();
• When a script ends
• When execution fails
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Conferencing
conference("1138");
conference("2600hz");
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result=ask("What is your conference ID?",
{choices:"[4 DIGITS]"}
);
conference(result.value);
50DEVNET-1023

conference("12345", {
joinPrompt: "Someone joined",
leavePrompt: "Someone left",
});
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Text Messages
call("+14155550100",
{network:"SMS"}
);
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call('+' + to, {network:"SMS"});
say(msg);
{
"token": "abcd12345",
"to": "14075551212",
}
55DEVNET-1023

Incoming SMS
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First SMS Message
currentCall.initialText;
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Multichannel
say("Thanks for your call. We'll text you
the information.");
hangup();
call(currentCall.callerID, {
network:"SMS"});
say("Here's what you asked for.");
DEVNET-1023

Message Shortcut
say("Thanks for your call. We'll text you
the information.");
message("Here's what you asked for.",
{
to: currentCall.callerID,
network: "SMS"}
);
say("This goes to the voice call.");
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Speech Control
say("1234");
“One thousand two hundred thirty four”
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Speech Control
say("1 2 3 4");
“One Two Three Four”
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SSML
say("<speak>
<say-as interpret-as='vxml:digits'>
1234
</say-as>
</speak>");
“One Two Three Four”
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say-as
• currency
• number
• phone
• date
• time
interpret-as='vxml:digits'
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Prosody
say("<speak>One potato, two potato, three potato,
four. <prosody rate='-50%'>One potato, two potato,
three potato, four.</prosody></speak>");
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TTS Fallback
say('<speak>
<audio src="http://example.com/welcome.wav">
This text will be spoken if
the audio file can not be
played.
</audio>
</speak>');
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Grammars
• SimpleGrammar
• hamburger(burger, cheeseburger, hamburger)
• GrXML
• ABNF
• SRGS
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SimpleGrammar
var foo = ask("Who?", {
choices: "department(support, engineering,
sales), person(jose, jason, adam)",
});
say("You said " + foo.choice.interpretation + ",
which is a " +
foo.value);
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External Grammars
var result = ask("What's your destination?", {
choices:"http://example.com/tropo/destinations.grxml"
});
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<?xml version="1.0"?>
<grammar xmlns="http://www.w3.org/2001/06/grammar" root="main">
<rule id="main" scope="public">
<item repeat="1-16">
<ruleref uri="#digit">
<tag>out.concept = out.concept + rules.digit;</tag>
</ruleref>
</item>
</rule>
<rule id="digit">
<one-of>
<item>0</item>
<item>1</item>
<item>2</item>
<item>3</item>
<item>4</item>
<item>5</item>
<item>6</item>
<item>7</item>
<item>8</item>
<item>9</item>
</one-of>
</rule>
</grammar>
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Audio Playback
• 8kHz, 8bit u-law (wav or raw) (*.wav or *.ulaw)
• 8kHz, 8bit a-law (wav or raw) (*.wav or *.alaw)
• 8kHz, 8bit pcm (wav) (*.wav)
• 8khz, 16bit pcm (wav or raw) (*.wav or *.pcm)
• MS-GSM (wav) (*.wav)
• GSM 6.10 (raw) (*.gsm)
• MP3
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Session
• Start a new session
• Send a signal to an existing session
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Conference
• Mute and unmute participants
• Play an audio file to all members of a conference
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Provisioning
• Manage applications, users, and phone numbers
• Full role-based access control
• Tropo Commander and UI both built on this
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What is it?
• Uses JSON over http to communicate with Tropo
• Most large-scale customers stick with Scripting
• Web Scale issues
77DEVNET-1023

Complete Your Online Session Evaluation
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78DEVNET-1023

Continue Your Education
• Tropo.com ScriptingAPI Quickstart Guide:
https://www.tropo.com/docs/scripting/quickstarts
• More Learning Labs Available:
https://developer.cisco.com/site/devnet/overview/index.gsp
• Follow @Tropo and @PBellanti on Twitter
• Stay Up to Date on All Things Tropo:
https://www.tropo.com/category/blog/
79DEVNET-1023

Please join us for the Service Provider Innovation Talk featuring:
Yvette Kanouff | Senior Vice President and General Manager, SP Business
Joe Cozzolino | Senior Vice President, Cisco Services
Thursday, July 14th, 2016
11:30 am - 12:30 pm, In the Oceanside A room
What to expect from this innovation talk
• Insights on market trends and forecasts
• Preview of key technologies and capabilities
• Innovative demonstrations of the latest and greatest products
• Better understanding of how Cisco can help you succeed
Register to attend the session live now or
watch the broadcast on cisco.com

Getting Started: Developing Tropo Applications

Getting Started: Developing Tropo Applications

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