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Verizon One Talk FAQs

Basics and Benefits

  1. What is One Talk?

    Verizon Wireless offers an alternative to traditional landline business phone service without boundaries, across the US.

    One Talk is a voice, video and messaging solution for small, medium and large enterprises, as well as the perfect solution for Government (Local, State & Federal) and Public sector organizations.

    For a complete list of features, see our One Talk Features page.

    Our One Talk Business Solutions page shows how One Talk can help your business.

  2. Who's eligible to purchase One Talk?

    One Talk is available on any Verizon Business account in the domestic US, regardless of the size, type and location of the business.

    One Talk can be used on smartphones and tables from Verizon Wireless or any other carrier.

  3. What are the required plans for the account and user?

    One Talk can be added to lines on these plans:

    • Start Unlimited, Play More Unlimited, Do More Unlimited, Get More Unlimited
    • Above Unlimited*, Beyond Unlimited*, Go Unlimited*
    • Shared Data Plan – 5GB
    • Shared Data Plan – 10GB
    • The MORE Everything® Plan for Small Business (up to 10 lines)*
    • Small Business Plans (up to 25, 50 or 100 lines)
    • The Verizon Plan (up to 10 lines)*
    • The new Verizon Plan shared data plans, e.g., S, M, L (up to 10 lines)*
    • The Verizon Plan for Business (up to 25 lines)
    • The new Verizon Plan for Business (up to 25 lines)
    • Flexible Business Plans
    • Nationwide for Business Plans
    • Business Unlimited
    • Business Flex
    • Business Custom

    *No longer available to add to your account.

  4. Which devices support One Talk?

    Our One Talk Supported Devices page lists all compatible One Talk devices.

  5. How much does One Talk cost?

    User types and pricing

    User type Common use case Price
    Desk phone only Traditional brick and mortar with minimal mobile needs $25
    Mobile only Businesses that operate primarily from mobile devices.
    Native Dialier only: $15*
    Mobile app only: $25
    Combo Mixed office and mobile businesses needing access in the office and on the go.
    Auto receptionist Businesses requiring IVR functionality to route callers to the appropriate department or line.
    Hunt Group
    Businesses that want calls answered as soon as possible, by any end user. $0
    Portal administration Businesses that need to configure One Talk at any time (caller IDs, hours of operation, AR, HG, etc.).

    *If native dialer user adds a desk phone or a mobile app, an extra $10 feature gets added to the line, for a total cost to $25/month.

    Additional government taxes, fees and surcharges also apply.

  6. What type of internet service do I need to run One Talk on a desk phone?

    One Talk desk phones utilize Voice over Internet Protocol (VoIP) technology, and require a broadband internet connection to connect to the Verizon Wireless network.

    The amount of broadband bandwidth and speed required is directly related to the quantity, type of desk phones and other devices sharing the broadband internet service.

  7. Can I use my existing telephone number as my One Talk number?

    Yes, you can use existing mobile or landline number as your One Talk phone number.

    If you want to use an existing number that isn't serviced through Verizon Wireless, you can port your number to Verizon Wireless and add the One Talk feature to your devices. Number porting is available from all mobile and landline services in the US within the Verizon Wireless service area.

  8. Which smartphones support the One Talk mobile app?

    You can add the One Talk service to any iOS (version 10.3 or newer) or Android (6.0 Marshmallow or newer) smartphone or tablet, including those purchased through a service provider other than Verizon.

    If your employee has a personal phone with service through a provider other than Verizon, that phone could still be eligible for One Talk. If eligible, the One Talk mobile app must be installed on that device, and the user will have 2 phone numbers, his/her personal phone number and a second One Talk phone number.

  9. Can I use my existing desk phones with One Talk?

    No, One Talk requires new desk phones from Verizon that have built-in functionality and services for security and easy installation.

Service and Availability

  1. What will happen to my active calls when I roam off the 4G LTE network?

    Similar to Verizon HD Voice, a One Talk call will drop if you leave Verizon's 4G LTE coverage, unless the device is enabled for Wi-Fi Calling and a Wi-Fi network is available.

    When outside of 4G LTE network coverage, the One Talk Mobile App will revert to the dialer of the mobile smartphone to make and receive calls. Only the advanced business features will be unavailable at that time.

  2. When I'm using One Talk, what can I do to avoid dropped calls if I'm in a weak 4G LTE coverage area?

    One Talk works best when you're in 4G LTE coverage. The calling behavior will fluctuate once you move outside of 4G LTE territory. If possible, connect to a Wi-Fi network when you're not in a strong 4G LTE coverage area.

  3. How long does it take for my service to be ready?

    One Talk activation varies depending on the device.

    • If activating the service on an existing supported smartphone, the added functionality will be available within minutes of adding the feature to your account.
    • For desk phones with a new line of service, you'll typically receive your device in 48 hours. Once you connect in to an Ethernet port, the desk phone will go through a zero-touch provisioning process (which could take up to 10 minutes). The phone will register, and any new software updates will be downloaded. Once completed, the device will be ready to make and receive calls.
    • For the One Talk mobile app, once the new number (or ported number) is provisioned, the user must download the app and request an authentication PIN through the app. The PIN grants access to that particular device/app combination to register and obtain service.

    If an existing telephone number is being ported from another carrier, the transition can take 10+ business days if porting from a landline carrier and 24-48 hours if porting from a wireless carrier. To ensure that you don't experience any service outage during that period, please do not contact your previous service provider to make any changes on the account until the porting is complete.

  4. Where can I buy One Talk desk phones?

    One Talk desk phones will be available through many of our business partners and a wide range of partners:

  5. What desk phone headsets are supported by One Talk?

    There are numerous Bluetooth®, wireless and wired desk-phone headsets supported by One Talk. For a complete list of compatible headsets, see our One Talk Supported Headsets page.

  6. What is the best way to access my One Talk voicemail?

    One Talk smartphone users can add One Talk Visual Voicemail, One Talk Premium Visual Voicemail and One Talk Voicemail to Text. One Talk smartphone subscribers may also utilize One Talk Basic Voicemail.

    • To access One Talk Basic Voicemail, Call *86
    • To access One Talk Visual Voicemail, use the Visual Voicemail app on the device or select the Voicemail icon in the phone dialer screen

    For more information on accessing One Talk Basic Voicemail, Visual Voicemail or One Talk Voicemail to Text, see our Visual Voicemail FAQs.

  7. What is the return and warranty offered for One Talk Deskphones?

    Visit our standard Return Policy for more information.

    Our standard Warranty Policy covering all devices can be found at our How to replace a lost, stolen or broken phone, tablet or other device page.


  1. How is One Talk service presented on my bill?

    Service billing appears as two individual line items: a service feature order, labeled "One Talk Service" and a second line item labeled, "Price plan type" or "Line Access Charge".

    Your selection determines the type of charge that appears on the bill. Both options reflect the current service pricing.

  2. How are One Talk Auto Receptionist and Hunt Group presented on my bill?

    Billing for an Automated Receptionist and a Hunt Group appear as two individual line items: a service feature order, labeled "One Talk Service" and a second line item labeled, "Price plan type" or "Line Access Charge".

    Your selection determines the type of charge that appears on the bill. Both options reflect the current service pricing.

  3. How am I billed for One Talk calls?

    All One Talk voice minutes and usage are tracked for reporting purposes on your bill, regardless of the device used. This lets you review the calls you've made during your billing cycle, but it doesn't mean you pay extra for your calls.

    The way your calls are billed varies by device:

    • All plans available for One Talk come with unlimited minutes and text.
    • Video calls use data for the video portion of the calls, which will apply against the allowance on your data plan, unless the device is connected to Wi-Fi.
    • Calls placed from a One Talk desk phone use a broadband internet connection to the Verizon network. These calls don’t use your plan minutes, if applicable. They use data from your internet service provider (ISP), which is included in your monthly broadband service charges.
    • Calls placed from the One Talk mobile app on a smartphone or tablet use data instead of minutes. These calls will apply against the allowance on your data plan, unless the device is connected to a Wi-Fi network.

  4. What are the available feature codes?

    The complete list of Feature Access Codes (FAC) (PDF*) is in the Feature tab in the One Talk portal.

Native Dialer

  1. What are the different ways to access and manage the One Talk number with my smartphone?

    There are 3 ways to access and manage your One Talk service number with your smartphone or tablet:

    • One Talk Enhanced Dialer
    • One Talk Native Dialer (iOS or Android™)
    • One Talk mobile app (iOS or Android)

    The differences between the 3 depend on the smartphone carrier or device, how you set up features from the smartphone and access the features.

    One Talk
    Enhanced Dialier
    One Talk features are added to an eligible smartphone. Once added, business calling features, including transfer and hold, are available from the device phone app during an active call. Smartphone users can participate or use Group Business Features if enabled from the One Talk Portal.
    • Requires a Verizon Wireless purchased device and service.
    • Supported on compatible Android smartphones.
    Native Dialer
    One Talk features are added to an eligible smartphone.

    Smartphone users can participate or use Group Business Features if enabled from the One Talk Portal. There is no change in the dialer.

    Requires Verizon Wireless purchased device and service.

    See the list of supported Android and iOS devices.
    Mobile App
    The One Talk mobile app can be downloaded to a compatible smartphone or tablet and used as a second phone number on the device.
    • Requires One Talk service
    • Supported on compatible devices using iOS 10.3 or Android 6.0 or newer
    • Enables use of a second phone number on a compatible smartphone or tablet
    • App features include calling, video calling, messaging, call forwarding, do not disturb, barge, transfer, and anonymous call rejection.

  2. Can an iOS Native dialer user use FaceTime® for a video call?

    Yes. You can make a FaceTime call to any other FaceTime-capable device. It's not limited to One Talk user lines.

Making One Talk Voice Calls

  1. Can I still make or receive One Talk voice calls if the Mobile Data setting is turned off on my device?

    Yes. The One Talk Dialer can still make and receive voice calls using the One Talk service without data. The One Talk Mobile App requires data, and Wi-Fi can be used a substitute for mobile data. However, you won't be able to make video calls, because they use the data connection.

  2. How much data is used for a 1-minute voice call?

    A One Talk voice call uses approximately .5 MB per minute.

Making Video Calls (only applicable to video calling-capable mobile phones)

  1. How do I make a video call?

    There are a couple of ways to make a One Talk video call.

    To place video calls on One Talk:

    1. Enter the number on the Keypad tab (native or enhanced).
    2. After connecting, tap the Video Camera icon.

    If a call starts as a voice call, at any point during the conversation that call can be upgraded to a video call (as long as the other party has video calling capabilities on his/her device, denoted by an active Video icon on the phone display).

    See iOS Native Dialer for available features.

    To make a video call using Wi-Fi:

    Make sure your device is connected using the Wi-Fi setting and not the 4G LTE connection.

    You can make a One Talk Wi-Fi call (Voice and/or Video) the same way you would on any video calling-capable mobile device:

    1. Enter a number with the phone dialer (native or enhanced).
    2. Tap the Video Camera icon on the dialer.

  2. How much data is used for a 1-minute video call?

    A One Talk one-way voice/video call uses approximately 3.5 MB per minute.

    A One Talk two-way voice/video call uses approximately 6.6 MB per minute.

  3. Can I switch an active voice call to a video call?

    Yes. You can switch a voice call to a video call anytime during the conversation using the One Talk mobile app and Enhanced Dialer.

    The other party must have a video capable device and an active Video icon on their phone display.

Advanced Q&A

  1. Will the SIM card from my current device work with a new One Talk-capable phone?

    Yes. One Talk works with the current 4G SIM card on your mobile device.

  2. Can I use any existing phone jack at my office for One Talk desk phones?

    No. One Talk desk phones require an Ethernet connection to plug in the Cat 5 or Cat 6 cable that is provided with the phone. An analog telephone jack cannot be used. These jacks and cables connect to the data router in your business and aren't your typical phone service jack. The Ethernet cable will easily plug in to the correct jack and won't easily plug into an analog telephone jack.

    If there's only one Ethernet (internet) connection where you plan to place the desk phone, then the internet line can be shared. Connect the cable from the router/modem splitter to the internet port on the back of the desk phone. Using another internet cable, connect the cable to the LAN jack on the computer, and the other end of the internet cable to the PC port on the desk phone.

  3. What are the ports and protocols required to allow the desk phone and mobile clients to properly authenticate and receive service; and what are the default DSCP Marking Settings?

    One Talk requires the following protocols and ports so that the devices have service and full functionality:

    One Talk Desk Phones

    Device Configuration

    • Protocol: https
    • Port: 443


    • Protocol: SIPTLS
    • Port: 5061

    Network Time

    • Protocol: NTP
    • Port: 123

    Default DSCP Marking Settings

    • RTP DSCP Value: 46
    • SIP DSCP Value: 26

    Note: NTP can be delivered by the customers DHCP server (option 42). If NTP is not delivered via DHCP, the fallback is to US NIST pool of time servers.

    One Talk Mobile & Desktop Clients Registered via Wi-Fi or Ethernet

    Device Configuration/Authentication

    • Protocol: https
    • Port: 444

    911 Feature Provisioning

    • Protocol: https
    • Port: 443


    • Protocol: SIPTLS
    • Port: 443 and 5061

    Media (voice/video)

    • Protocol: SRTP
    • Port: 1024 through 47383


    • Protocol: IMAP
    • Port: 993

    Visual Voicemail

    • Protocol: TCP
    • Port: 143

  4. How do I remove a Feature Access Code setting?

    FAC codes are paired: One to turn ON and one to turn OFF.

  5. How can I verify and validate that my business location is ready for One Talk devices?

    Access the One Talk Site Qualification and Validation page.

    Download the release notes (PDF*) for the Site Qualification & Validation tool.

    By clicking on the above link, you will be accessing a third-party site. The third party does not collect any customer-specific information, nor does it store the results of the tests performed. The tests are performed in real-time and are meant to represent a snapshot of the network conditions of the location being tested.

FaceTime is a registered trademark of Apple Inc.
iOS is a trademark or registered trademark of Cisco in the US and other countries and is used under license.
Android is a trademark of Google Inc.
*To view the PDF, you may need to download the free Adobe Acrobat Reader.