Apparently, it is not possible even with the addition of VoIP to use the Google Voice app to make and receive calls without a linked number. Similarly, it is asked, can you use Google Voice on a phone without service?
The short answer is yes, if you already have a working Google Voice account, you can use your Google phone number with your computer (if you use Hangouts in the dedicated Hangouts web page) or with a mobile device that has wifi or data access (if you use the appropriate Hangouts smart phone Android or iOS apps).
Similarly, how do you know if a number is disconnected? Try to call it from an active phone if it is disconnected you will hear a message stating that. Or send a text message to it from an active cell phone and see if it goes threw if it does but you do not receive it your phone is disconnected or if it doesn't go threw at all its disconnected. The simplest ways is to call.
One may also ask, what message do you get when someone's phone is disconnected?
An intercept message is a telephone recording informing the caller that the call cannot be completed, for any of a number of reasons ranging from local congestion, to disconnection of the destination phone, number dial errors or network trouble along the route.
Can you use WIFI calling without service?
Rest assured that your phone will operate just fine without active service from a carrier, leaving it as a Wifi-only device. Great apps like Hangouts will even let you make VoIP calls without any carrier involvement, provided you're able to find good Wifi connections.
Related Question Answers
Can you still receive text messages if your phone is disconnected?
One other option for retrieving SMS messages while your phone is disconnected is to use a secondary number. You can then access these messages from any device. Free secondary number apps include Google Voice, Textfree and Sidekick. All three options work on both Android and iOS as well as on computers. Can Google Voice replace my cell phone?
With Google Voice, you can stop juggling your work, home, and cellphone number and replace them with a new, free number. You can even choose which devices ring when someone calls you. That only scrapes the surface of what the service offers. Do I need a linked number for Google Voice?
To complete the process you have to verify at least one forwarding phone on the account. The phone will have to be a US number as well. A Google Voice number is only supported in the United States and a phone with a US number is required in order to use it. Does Google Voice use cellular data?
About Wi-Fi calling Important: If you start a call from your device's phone app instead of the Voice app, the call uses minutes from your mobile phone plan. Calls using data use approximately 0.2MB of data per minute. Can you use Google Voice with your own number?
If you like your current phone number, there are 3 ways you can keep using it: Port your mobile number to a personal Google Voice account (most common) Port your Google Voice number out to a mobile phone service. Transfer your Google Voice number to a different Google Account. How do I make a call using Google Voice?
Use Google Voice number for calls from phone's app - On your Android device, open the Voice app .
- At the top left, tap Menu. Settings.
- Under Calls, tap Calls started from this device's phone app.
- Select when to use Voice for calls from your phone's dialer app:
- Under Driving mode, select when to use Voice while driving.
What happens to text messages when your phone is off?
So, if you turn your phone off for a couple of hours, messages will queue up and they will be received. Once the recipient carrier stops trying to send the message to the recipient's phone, the message cannot be retrieved very easily. The sender could resend it from their phone, but that is about it. What is a Google phone number?
With Google Voice, you get a free phone number for calls, text messages, and voicemail. You can use the apps on smartphones and computers, and you can link your number to any mobile or landline number. How do you know if someone's phone is off when you call?
Often, if you're calling someone's phone and it rings only once then goes to voicemail or gives you a message saying something like "the person you have called is unavailable right now," that's a sign the phone is off or in an area with no service. What happens when your phone is disconnected?
Here's what happens when you suspend your device/number: your device can no longer send or receive calls or texts and cannot access the cellular data network. your device can still access Wi-Fi networks (if applicable), so any apps that can run on Wi-Fi alone will still work as long as you have a Wi-Fi connection. Will a disconnected phone ring?
So to answer the original question, no, a disconnected phone will not ring at all. You'll have an announcement telling you the call couldn't be completed, the number is incorrect etc Likewise if it's simply switched off or out of mobile coverage. What does phone out of service mean?
"Out of service" usually means that it isn't operating for some reason that has to do with the device itself. Is there an app that says your phone is disconnected?
Combined with Google Voice's block feature, those callers will ring once, get dropped to a "this number has been disconnected" message, and likely never call again. Call Filter is free in the Android App Market, but a pro version of the app that also blocks SMS messages is available for just under $4 USD. How do you tell if a number is still in service?
Listen for the rings. If the phone rings numerous times, but goes to voicemail, that may mean the phone number is still in service. If the number is not in service, when you call it may ring once or twice but you will then get an automated message. What does it mean when a number has been disconnected?
When you call the number it's usually a disconnected number, so that when you call back you don't get a real person, you get the "that number has been disconnected" recording. They don't "have your cell phone number" - they've called every number in the region. Can I find out who a phone number belongs to?
For numbers that are listed in the phonebook, using a reverse phone number service is the easiest way to find out who a telephone number belongs to. The website 411.com offers a free reverse phone number service. Whitepages.com and AnyWho.com also offer free reverse phone number searches (links in Resources). What does it mean number not in service?
Equally if the customer has cancelled their subscription, any calls to that line after it's been cancelled may get a 'not in service' message. So the message to which you refer simply means, “Sorry but we're unable to connect you to the person you're calling.” How can I make a call without my number showing up on my bill?
Activate caller ID block only for one call. Press "*67" followed by the phone number at which you do not want to disclose your identity. Your phone number will appear as "restricted" only for this call. Can I still use my smartphone without phone service?
The short answer, yes. Your Android smartphone will totally work without a SIM card. In fact, you can do almost everything you can do with it right now, without paying a carrier anything or using a SIM card. All you need is Wi-Fi (internet access), a few different apps, and a device to use. Can you text through WiFi?
You can send and receive text (SMS) and multimedia (MMS) messages using the Messages app . Messages are considered texting and don't count toward your data usage. Tip: You can send texts over Wi-Fi even if you don't have cell service. Just use Messages as you normally would. How do I know if my phone is using WiFi calling?
Check your phone's settings menu to see if it's supported. for Android phone, got to Settings and look for the WiFi Calling option. To get device-specific support to set up WiFi calling, go to Device Support, select your phone, scroll to "Calls" and choose "Activate Wi-Fi Calling." Can you text without a SIM card?
Note: Without a SIM card, to do anything mentioned in this answer, you will need a Wifi connection. If you need to text while safely seated in the passenger seat of a car (Do not text and drive) then you will need a SIM card and you will need to pay for monthly service. Can I still receive texts with cellular data off?
If you want to be able to receive phone calls and text messages then you must leave Airplane Mode turned off - though you can disable Wi-Fi and Mobile Data to prevent the reception of emails, chat messages, and social media notifications. Can you text without data?
Android smartphone - group texts and picture/video messaging will not be available. If you do not have cellular data (and are not connected to WiFi) and have iMessage turned on, normal text messages will not be able to send or receive. You must disable iMessage for regular texting to work. 
