Mobile VoIP and EoIP

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From the course by University of California San Diego

Internet of Things: Communication Technologies

129 ratings

University of California San Diego

Internet of Things: Communication Technologies

129 ratings

Course 4 of 6 in the Specialization Internet of Things

Have you wondered how “Things” talk to each other and the cloud? Do you understand the alternatives for conveying latency-sensitive real time data versus reliable signaling data? Building on the skills from the Sensing and Actuation course, we will explore protocols to exchange information between processors. In this course, you will learn how VoIP systems like Skype work and implement your own app for voice calls and text messages. You will start by using the Session Initiation Protocol (SIP) for session management. Next, you will learn how voice codecs such as Adaptive Multi Rate (AMR) are used in 3G networks and use them for voice traffic in your app. Learning Goals: After completing this course, you will be able to: 1. Implement session initiation, management and termination on your DragonBoard™ 410c using SIP. 2. Discover other users and exchange device capabilities. 3. Compare and contrast narrowband and wideband codecs and experience the voice quality differences between them. 4. Implement and demonstrate VoIP calls using the DragonBoard 410c.

From the lesson

Make your own VoIP application

The main part of this module will focus on you making your very own VoIP application on the Android operating system. In order to do this, you might have to brush up on some of the materials in Course 2. You will be required to use Android Studio to push the application onto your board. You will need to know how to use Git, adb and possibly fastboot in order to accomplish this. We will provide you with the code for your application, but remember, the code we are giving you is only a template that can be used to build a bigger and better application with a wide variety of functions. Once we have built your application and pushed it to your board, we will sit together and brainstorm everything we have seen in the last few courses and take a look at what we are now capable of building in the IoT market.

Introduction to Lesson 31:27

VoIP and the Smart Home6:57

VoIP and the Smart Office3:54

Mobile VoIP and EoIP3:42

A look back at Lesson 31:35

Meet the Instructors

Ganz Chockalingam
Principal Engineer
Qualcomm Institute of Calit2, UC, San Diego
Harinath Garudadri
Associate Research Scientist
Qualcomm Institute of Calit2, UC, San Diego

So devices are getting smaller, more portable.

Devices are getting smarter in general and stronger, more powerful.

So we're gonna wanna talk about mobile VoIP and

how the game has kinda changed because of this.

And then I wanna go into a thing called EoIP, which is taking VoIP and

just blowing it up and saying, hey, you know what.

Why just VoIP?

>> Right, why just voice?

Everything over IP.

The whole world is gonna be on the internet one day, right?

We're just gonna be using networks to transfer every bit of data.

So everything over IP.

Now, just gonna jog your mind a little bit more again, but

think about everything mobile.

What do you have that you take with you everyday?

Your phone, your keys, your wallet, your purse, I don't know.

Hair ties, necklaces, jewelry, everything, right?

Now, [COUGH] they're already starting to turn this stuff into ways to communicate

with each other, the Internet of things.

Applying it to your everyday mobile devices, wearables,

your Google Glass, your Apple Watch, smart watches in general, yeah.

[COUGH] Fitbit ways to monitor your health, right?

[COUGH] I remember when I was a kid watching Inspector Gadget,

maybe you've seen Inspector Gadget?

>> Of course.

He's great.

>> To call Penny on your watch, that exists now, crazily enough.

So, someone had to think of that and someone had to apply to get it done,

but also mobile VoIP can be applied to business.

So you're a traveling business man and you have customers.

You have people you need to get in touch with.

And you're not at your office right now.

You're on the go.

So you can actually carry your VoIP accounts with you everywhere you go,

so you are essentially a walking office.

Wherever you go, you can root down and set up and it's like you're anywhere.

In a hotel, maybe you're overseas doing some work, whatever you wanna do.

So yeah, that being said all this stuff can be done over many of the Internet

connections.

You have Wi-Fi you have 3G,

your phone you take it out you're calling in a lot of cases over Wi-Fi using

VoIP broadband clear signal as long as your Internet's good.

But anyways, so think of ways that you can apply VoIP or

just in general things to your everyday life, mobile life, right?

Everything over internet protocol.

We went over that.

We're going to go from not only machine to machine, or

thing to thing, but we're going fro human to thing to computer to.

>> To whatever.

>> To whatever, yeah.

It's everything.

Yeah.

Anyways, i hope you enjoyed that.

[LAUGH] Kind of ranted a little bit.

>> It's fine. >> Yeah.

>> Very informative.

>> Yeah, so just having fun.

That's the whole idea, having fun with what you're doing.

So, I hope you take these ideas, and make something amazing.

I look forward to hearing from all of you on the discussions.

We look forward to helping you if you need help or just having a quick chat.

So yeah,

we'll see you in the next course where we're gonna go over multimedia, right?

>> Yep.

>> Kinda something similar to the void but with.

With- >> Video

>> Multimedia video aspects.

So stay tuned, and I hope you had a good time.

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