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Providing Solutions That Work Since 2003!

Logo for Custom Internet Services LLC

104 1/2 W 9th Ave Suite 500
Winfield, KS 67156

(620) 221-3614

Mon - Thurs 8 am - 5 pm CT
Fri 8 am - 4 pm CT

sales@custominternet.biz

VoIP Phone Services

Call Us (620) 221-3614
Email Us

VoIP Phone Systems for Business

Nextiva is the fastest growing unified communication provider in the United States and serves more than 100,000 business customers. Since 2006, Nextiva has maintained its focus on simplifying the way businesses communicate. Through a combination of communication, collaboration and mobility solutions, Nextiva helps companies of all sizes and industries run more efficiently and increase productivity and profitability, while reducing their communication costs. Nextiva is headquartered in Scottsdale, Arizona and lives by the founding principle of Amazing Service®.

Custom Internet Services LLC is a certified partner of Nextiva and is authorized to resell their products and services.

Contact Us About VoIP Services

Easily Move From Desk To Mobile

Need to step away from your desk while you're on a call? With Nextiva's Call Flip feature it's no problem! You can pull a live call from your desktop phone to your Nextiva Mobile App and keep the conversation going. Then pull it to your Nextiva Desktop App and share your screen with your caller. Call Flipping adds versatility to your calls without ever having to hang up and call back!
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Convenient Collaboration

Conduct one-on-one video conferences with screen-sharing from any computer or laptop. Plus, chat in real time with coworkers and teams using our instant messaging, chat room, and SMS features on your mobile phone.
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Call Recording

You don't need any extra equipment to record calls - let Nextiva do the work. Nextiva can be set to record all calls or when initiated by a user. Recorded calls are stored up to six months on Nextiva's secure servers. Want to keep a recording longer? Simply download the file to your computer, OneDrive, Google Drive, DropBox, or other digital storage solution.
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Call Routing

Prevent "phone tag" by setting up call routing for inbound calls. Calls can be sent to different users based on the business hours, time zones, destination, area code, time and date, and the path it takes to reach the destination.
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Unlimited Calling

Unlimited calls from your desk phone, computer or mobile device in the United States, Canada, and Puerto Rico. No long-distance charges. No toll fees. Just unlimited calls to your customers and co-workers.
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Auto Attendants

Setup an auto attendant to direct callers to the appropriate employee or department. Use the same auto attendant all day, or set up different auto attendants for business hours and after hours.
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Voicemail to Email

Checking voicemail just got more convenient with Voicemail to Email. Voicemails come attached as a sound file to an email. Need to share the message with a co-worker or project manager? Simply forward to the recipient like you would any other email.
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HIPAA-Compliant VoIP Provider

Nextiva provides secure and reliable communications to every customer regardless of their industry. For HIPAA-compliant accounts we limit some functionality to protect private patient data. Doing so helps businesses stay in compliance without any changes on their part.

Nextiva will also execute a Business Associate Agreement (BAA) that addresses covered services and states the privacy, security, and breach notification rules required for business associates under HIPAA.
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24/7 Live Customer Support

If you find yourself in need of assistance with your Nextiva phone system, it's easy to find help. Nextiva's support center offers a variety of ways to find answers to your questions.
  • Call a live person
  • Open A Chat
  • Submit A Ticket
  • Search the Knowledge Base
  • Download Phone & Product Guides
  • Watch Video Tutorials
  • View Live & On Demand Webinars
    • Visit Nextiva Support

    See What People Are Saying

    Love Their Timely Response

    Custom Internet Services has been our IT expert for several years. We love their timely response, professional service, and the fact that they are always happy to assist us now matter how big or small our questions are.

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    Cheri Hulse, Architect

    Agora Architecture
    Winfield, KS

    Easy To Work With

    Custom Internet Services has always been easy to work with, willing to discuss anything, and reach out regularly to make sure that I’m good to go. If you’re needing help with online services and security they are definitely the people I would recommend.

    Garst Insurance Logo

    John Macklin, Owner

    Garst Insurance
    Winfield, KS

    Please with the Service and Pricing

    We have used Custom Internet Services for our backup management for over 7 years and have been pleased with the service and pricing!

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    Joseph Shelley, Owner

    Shelley Funeral Home
    Winfield, KS

    Contact us About Your VoIP telephone Service Needs!