Zello user guide

Zello user guide DEFAULT

What Is Zello and How Do You Use It?

By Cortney Moore

The Zello walkie-talkie app has soared in popularity during hurricane season. Here’s what it is, what it’s not and how to get started.

When it comes to natural disasters, you never know if traditional forms of communication will fail. Of course, you’ll want to make sure that you and your loved ones are safe, but depending on your cell phone plan, constant texting and calling can get expensive. There are a number of hurricane-tracking apps out there, but Zello has become the app of choice for emergency rescuers.

Zello is a free walkie-talkie app for smartphones, tablets, laptops and desktop computers. The app requires an Internet connection to work properly, whether it’s through Wi-Fi or a mobile data network. Unlike the standard calls you can make on the device of your choice, Zello connects you to fellow users and radio channels where large groups can talk regardless of distance.

Unfortunately, if you lose internet in an emergency, Zello won’t be of much use. If you need a truly off-the-grid app, goTenna may be a better alternative, since it enables text and GPS while offline. goTenna requires external attachments to work, but on the upside, it's lightweight and weatherproof.

How to get started with Zello

  1. Install the Zello app. Open up the App Store or Google Play and install Zello. This shouldn’t take long if you have a reliable connection.
  2. Sign up for an account. If you don’t have an existing Zello account, you’ll need to make one from scratch. The process is quick, only asking for a username, an e-mail address, a password and an optional phone number. You won’t be able to change your username after creating an account, so make sure your spelling is correct.

How to reach your contacts

  1. Tap and hold. To get in touch with your family and friends, all you need to do is select the Contacts field in the main menu. When you’re on the contact page, tap the name of the person you want to reach, and hold microphone button to send a voice message. Pressing this button activates Zello’s walkie talkie, so the person to whom you’re reaching out will receive the message once you release your hold. If your contact isn’t logged in or connected to internet when you send the message, they’ll hear it once they can access the app.

How to join or create a channel

  1. Connect to your desired channel. When you’ve selected your channel, tap the circular power icon to join or leave the chat. Intermittent beeps signal when a person from the channel is speaking. The program displays usernames while users speak, so there’s no guesswork over who said what. Users can share photos within the channel, and the eye tool provides tracking and playback options. Unlike conversations with regular contacts, you can share voice messages from the channel to your social media accounts.
  2. Make your own space. If you wish to create your own channel, all you have to do is hit the Add Channel button and select “Create a channel.” From there, you assign your channel a name, category, display photo, description and an assortment of settings that range from age restrictions to password requirements.

How to manage your Zello settings

  1. Test your audio. When you check your contact list, there will be a Zello account named Echo present. Selecting this contact lets you test your audio levels to ensure voice capturing. An arrow facing the bottom right hand corner measures your connection quality, and your network’s delay in milliseconds.
  2. Adjust the interface. If the app’s white background is too plain for your tastes, you can switch it for a downloadable theme, such as Camouflage Talk Screen or Classic Talk Screen Dark from the Options tab. You can also adjust Zello’s Push To Talk Button to function with individual taps, rather than holding it down the entire time. The button can also be connected to wireless accessories, such as headsets and radios.

What’s ZelloWork and how is it different?

Zello is free for consumers, but there’s also paid version for organizations that’s called ZelloWork. Monthly subscriptions are available for $5 or $6, depending on the number of registered users. Perks that ZelloWork offers include private networks, dedicated servers, management interfaces for users and channels, higher security, cloud history and tech support.

Sours: https://www.tomsguide.com/us/zello-app-guide,news-25805.html

Real-time communication is crucial when it comes to certain things including, but not limited to businesses, emergencies, and even for leisure; as a result, a myriad of companies all around the world has been spewing out mobile devices and applications to meet that skyrocketing demand. Finding a suitable medium for communication has been significantly easy as many choices are available, like mobile phones and walkie-talkies. But here, I will mainly discuss the Zello app and software that make your devices an immediate combination of the two.


Short Answer

How to use the app is very easy, you’ll only need to press certain buttons for it to activate, accompanied by words and familiar symbols, you’d know exactly what that button is for. Basically, it works by following these four steps: (1) tap your contact or channel; (2) press and hold the PTT (push-to-talk) button; (3) start talking; and (4) release when you’re done. Your message will appear in the receiver’s recent inbox and vice versa. All in all, you’ll need an internet connection for it to work regardless of how strong or weak the connection is.


Long Answer

There’s not much complexity using the app or software as it has a very straightforward user interface. If you want to do specific actions, you can press or toggle switches to activate or deactivate features.


Step 1: Managing

You’ll have to resort to its computer software for managing users, channels, and settings, in which updates and such will automatically apply in your mobile app if adequately synced. Here, you can add, remove, or edit your receivers at any time. You can also keep track of your associates with its built-in location tracker. Setting up multiple types of channels is also available. You can communicate by group using Team Channels, use Hidden Channels for private conversations, Dynamic Channels are for groups not in your constant contact, and finally, Ad Hoc Channels for other unique uses. You can create unlimited channels and assign active users up to 10,000 in each. You may toggle only, speak to anyone, or speak to selected roles at will.


Step 2: Tracking

You’ll also have the ability to track either android or iOS users from Zello’s appurtenant map. You can do so by typing the username or selecting them directly from the available dashboard. Thanks to its color-coding feature, you’ll know who’s active or inactive among the group.


Step 3: Dispatching

Choose a dispatch channel, and it’ll show a shared line of incoming calls, which will prompt you to respond or discard all the way. With this, you’ll always know who the participants in the communication are. You may also pick a certain receiver you want to talk to without overlapping others which will cause swift disconcertment in the conversation. Using the broadcast message feature, you’ll have the ability to send an alert to all participants from the app with ease. If you missed a call, you could replay it right from the channel. Moreover, its auto-close characteristic will force to idle other calls, so it’ll make a seamless conversation with the available dispatchers and prevent unwanted overcrowding. It will let you know once a message is received by the recipient besides.


Step 4: Prompting

As unfortunate and critical circumstances are constant and inevitable, Zello lets you use its emergency attributes. Access to instantaneous and replayable voice messages is among the top beneficial features you can readily use even when phone towers are temporarily unavailable. With the aid of a gateway, the Zello app can be integrated into your existing LMR system, making dead zones arrantly done.

Participants can press a button from any mobile device to activate emergency mode. This directly forwards 10-second unperturbed audio and the user’s current location to the dedicated emergency channel. While it is active, emergency messages and calls will supersede other relatively less important communication not to go unnoticed. In comfortable situations, however, you may want to immediately get the attention of a particular user or channel according to your best interest by tapping the alert button, which in turn sends loud and persistent notifications if you’re requesting a prompt response from any recipient.


Step 5: Replaying

As I’ve said in the earlier discussions, you can replay missed calls in your inbox, unlike other two-way radios. Once disconnected, missed messages go into the void, which can’t be retrieved. Any conversation will automatically play as soon as you’re reconnected. When you set your status to busy, have closed the app, or in another channel, it caches any incoming voice recordings and allows you to replay them once you’re available.


Step 6: Integrating

Zello can be converged with your traditional radio network with the help of desktop hardware. This setting allows users of smartphones and two-way radios to communicate effectively on the same channel. Any PTT technology you might utilize, regardless of kind, can be interlinked through the app. Phones or any devices used for immediate communication can all send and receive information through the service.


Conclusion – How to use the Zello Walkie Talkie

Zello is, without a doubt, imbued with simple and effective features for your unique communication needs. With its comprehensive technology and facile user interface, you can send and receive wanted calls and messages from your cohorts while at the same time knowing where they are in real-time. Also, you can manage your contacts in a comfortable way for you so you’ll have seamless communication.

If you’re caught in the middle of an emergency, you can opt for some button that will alert anyone of your current situation. If you missed an important message, you could replay it from the message vault at your discretion. Not to mention the fact that it integrates variegated devices such as traditional radios, so even if the other end doesn’t have the Zello Walkie Talkie app or software, you’ll stay connected anytime and anywhere. Not only that, you won’t worry much about privacy as the app comes with airtight security, meaning your messages are encrypted end-to-end


Categories InformationSours: https://www.walkie-talkie-guide.com/how-to-use-the-zello-walkie-talkie/
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Zello Android client SDK


The Zello Android client SDK allows you to integrate Zello Work push-to-talk into your own application. The SDK uses cross-process communication to let your app connect to the Zello Work app installed on the device and remotely control it. Supported features include:

  • Send voice messages
  • Get notifications about incoming voice messages
  • Get the list of contacts and their status
  • Configure and switch user accounts
  • Connect and disconnect channels
  • Mute and unmute users or channels
  • Set availability status
  • Set custom text status
  • Control auto-run and other Zello app options

Current Version

The stable release for the Zello Work Android SDK can be found at https://github.com/zelloptt/zello-android-client-sdk/releases.


Sign up for Zello Work account

Go to http://zellowork.com/ and click Start your network button. If you already have a network, click Sign In. A free Zello Work account supports up to five users and has no time limit.

Get Zello Work app

Before you can use the SDK, you must install the Zello app on your phone. You can do this by getting the Zello app from Google Play, by downloading the Zello Work app from the Get app section of the web console or by navigating to http://network.zellowork.com/app on your phone.

Install Android Studio and configure your project

Download Android Studio and install it. Open your existing project or create a new one. The minimum API level supported by the SDK is 16 (Jelly Bean).

Place zello-sdk.aar file into folder of your project, then edit the gradle.build file of the application module to include the new AAR dependency:

Adding as a library in Android Studio

To add the SDK to a library project, add the following lines to build.gradle:

Alternatively, use the Import Module from Library screen to add the AAR to the project: Menu > File > New > New Module... > Import .JAR/.AAR Package.

Using the SDK

Configuring the SDK

The first thing you need to do in your app to start using Zello SDK is to configure it. In the most cases you'd want to do it in your method:

publicclassAppextendsApplication { @OverridepublicvoidonCreate() { super.onCreate(); Zello.getInstance().configure(this); } }

This will automatically select the Zello app to connect to. Alternatively, you can provide a specific package name:

publicclassAppextendsApplication { @OverridepublicvoidonCreate() { super.onCreate(); Zello.getInstance().configure("com.loudtalks", this); } }

Here is the package name of Zello app. can be used to connect to Zello Work app instead.

Sending voice messages

To start a voice message to the currently selected contact, call . To stop sending the message, call . Here is a snippet of how to make a push-to-talk button in your activity:

Button pttButton = (Button)findViewById(R.id.pttButton); pttButton.setOnTouchListener(newView.OnTouchListener() { @OverridepublicbooleanonTouch(Viewv, MotionEventevent) { int action = event.getAction(); if (action ==MotionEvent. ACTION_DOWN ) { Zello.getInstance().beginMessage(); } elseif (action ==MotionEvent. ACTION_UP|| action ==MotionEvent. ACTION_CANCEL ) { Zello.getInstance().endMessage(); } returnfalse; } });

To successfully send a message, one needs to select a contact first. The SDK includes a built-in activity that you can display to let user select a contact:

Zello.getInstance().selectContact("Select a contact", newTab[]{Tab.RECENTS, Tab.USERS, Tab.CHANNELS}, Tab.RECENTS, Theme.DARK);

You can also select a contact programmatically:

Zello.getInstance().setSelectedUserOrGateway("test"); // selects a user with username "test"

Handling Zello SDK events

The Zello SDK contains an events interface which you can implement to be notified about changes in incoming and outgoing messages, state, app online status, sign in progress etc. In most cases, your implementation will be a part of your activity code.

publicclassMyActivityextendsActivityimplementscom.zello.sdk.Events { @OverrideprotectedvoidonCreate(BundlesavedInstanceState) { super.onCreate(savedInstanceState); Zello.getInstance().subscribeToEvents(this); } @OverrideprotectedvoidonDestroy() { super.onDestroy(); Zello.getInstance().unsubscribeFromEvents(this); } // Events interface [email protected](){} @OverridevoidonAudioStateChanged(){} @OverridevoidonContactsChanged(){} @OverridevoidonMessageStateChanged(){} @OverridevoidonSelectedContactChanged(){} @OverridevoidonLastContactsTabChanged(){} @OverridevoidonMicrophonePermissionNotGranted(){} // ... }

NB: All events interface methods are called on UI thread, so if you need to do any potentially slow processing, move it to background thread.

Switching user accounts

If the Zello Work app already has a user account configured and signed in, the SDK will connect to the existing user session so no repeat sign in is necessary. When needed, you can programmatically sign in Zello to the desired user account or sign out to stop the active session:

Zello.getInstance().signOut(); // Signs out the current userZello.getInstance().signIn("mynetwork", "myuser", "mypassword"); // Signs in into "mynetwork" network as "myuser"

Both and are asynchronous. Subscribe for Zello SDK events and implement to be notified about sign in progress or errors:

@Overridevoid onAppStateChanged(){ Zello.getInstance().getAppState(_appState); Error error =null; String state =""; boolean showCancel =false, cancelEnable =true; if (!_appState.isAvailable()) { state ="Zello Work app is not installed"; } elseif (_appState.isInitializing()) { state ="Connecting to the Zello Work app..."; } elseif (_appState.isConfiguring()) { state ="Configuring Zello Work app..."; } elseif (!_appState.isSignedIn()) { if (_appState.isSigningIn()) { state ="Signing in..."; showCancel =true; cancelEnable =!_appState.isCancellingSignin(); } elseif (_appState.isSigningOut()) { state ="Signing out..."; } elseif (_appState.isWaitingForNetwork()) { error = _appState.getLastError(); state ="Waiting for network connection"; showCancel =true; } elseif (_appState.isReconnecting()) { error = _appState.getLastError(); state ="Reconnecting in %seconds%...".replace("%seconds%", NumberFormat.getInstance().format(_appState.getReconnectTimer())); showCancel =true; } else { state ="Signed out"; } } }

NB: and similar methods write a snapshot of the requested state into the provided object. Afterwards, the object state remains "frozen" (even if the application state changes) and will not update automatically. To get fresh data, call again.

Battery life optimization

You can improve your apps power efficiency and reduce data usage by telling the Zello SDK when your app switches to the background or the user leaves the screen showing the Zello UI. You can do this by calling . When in power saving mode, the Zello Work app limits communication to the server and postpones any non-critical updates. It doesn't affect your ability to send or receive messages. Make sure to call when the Zello UI reappears on the screen.

and are good places to call these methods:

publicclassMyActivityextendsActivity { @OverrideprotectedvoidonPause() { super.onPause(); Zello.getInstance().enterPowerSavingMode(); } @OverrideprotectedvoidonResume() { super.onResume(); Zello.getInstance().leavePowerSavingMode(); }

When your app no longer needs the SDK, call to release resources.

Going live with your Zello-enabled app or service

All apps using Zello SDK must adhere to the following:

  • All UI screens, embedding the Zello SDK must include the Zello logo
  • Use the Zello logo and "Zello" name, when referencing Zello-powered features inside of your app or service
  • Send us the app for approval before distributing to any third parties or customers

Additional resources

Zello SDK samples


See also

Sours: https://github.com/zelloptt/zello-android-client-sdk
Zello channels explained (useful for zello channel owners)

EcoPucks Wired Helmet Audio

User Guide | Models: GDI-EXPCCB110

Music Controls



Play / Pause


Skip to Next Track


Phone Management



Answer Call


Reject Call


End Call





EcoTalk: Activate


Voice Assistant




Click either button to play track; click again to pause

Double-click either button to skip to the next track


Click either button to answer the call

Press & hold either button to reject the call

Click either button to end the call


Press & hold either button for 1.5 seconds to

activate your phone's voice assistant (Siri or OK Google)




Push-to-Talk, Walkie-Talkie Smartphone App

Add the "Zello" app onto your smartphone to turn it into a walkie-talkie that works anywhere in the world as

long as you have cell signal! You can use it one-on-one with a friend or for a live group-call on the slopes.

Steps to get "Zello" up and running with your EcoPucks:


Download the Zello app onto your phone from Apple's or Google's app stores.


Create your profile in Zello.


Add your friends/contacts you want to talk with using Zello.


Plug EcoPucks into your phone. In the Zello App set "Headset Button Type" to "Headset" (Options >

Push-To-Talk Buttons > Headset Button Menu).


Keep the Zello app open in the foreground or background of your smartphone.


Click the left or right earpieces ("L" or "R") to send a walkie-talkie message to your friends. Click either

button when you're done talking.


• Refer to the instructions within the Zello app for updated revisions to its operation.

• Feature only works with the Zello app open and in the foreground.


• Use the EcoTalk feature to switch between the Zello app and your favorite music app without taking

your phone out of your pocket.


Siri or OK Google voice prompt


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