Toll Free VoIP Phone Number Provider For PBX and Calls Centers

1-800, 1-888, 1-877, 1-866

Receive calls on your cellphone or PBX from anywhere in the world when your friends or clients call your Virtual VoIP Phone Number the calls will land either on your mobile phone number, computer, mobile app or analog phone adapter (ATA).
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Cloud hosted business phone service

Bundle and Save, 40+ Features, including Admin Portal, Call Logs, Virtual Receptionist and More

Choose award-winning, highly reliable cloud-hosted business phone service and empower your business.

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Why choose AltoTelecom

VoIP Provider for Business

AltoTelecom is the perfect VoIP provider for business like Call Centers and Hotels making concurrent calls from multiple extensions all using the same VoIP account. *Unlimited calling in the continental U.S. & Canada, reasonable and acceptable use policies apply. **Mobile data charges may apply, reasonable and acceptable use policy applies.

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VoIP Customer Support

Contact us! Our dedicated team of IT support professionals is ready to assist you setup your call center's PBX or Auto dialer. Altotelecom hires top industry experts in VoIP and network engineers so you can rest assured you are working with knowledgeable people who can work efficiently to solve your problems 24/7

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How We Work

Altotelecom offers VoIP for Business, Cloud Auto-Dialer Virtual Call Center and International Virtual Phone Numbers or DID's since 2007 in United States, Canada, Central America, South America and countries in the caribbean such as Jamaica, Dominican Republic, also United Kingdom, France, Africa, Philippines and other countries in the rest of the world.

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Business Cloud Plans & Pricing

Mobile Popular

$19.99 /mo.
  • Unlimited Calling and SMS Messages*
  • Mobile App (iPhone, iPad, Android)
  • Desktop App
  • Flow Team messaging
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$29.99 /mo.
  • Mobile Features
  • Multi-level Auto Attendant
  • CRM Integrations
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Advanced Popular

$ 39.99 /mo.
  • Premium Features
  • Call Recording 15 hours/month
  • Call Group
  • Visual Voicemail
  • Orange-Glove Setup
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$99.99 /mo.
  • Advaced Features
  • Call Recording 40hours/month
  • Video Conferencing, Chat
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Latest From Our Blog

Grandstream Device Configuration Settings

  • Created: Fri 1st Feb 2013
  • Joe

Step 1: Log into your Grandstream from a web browser When your Grandstream is turned on and connected to your LAN network, open an internet browser in your computer to navigate to the IP address of your device. To know the IP address of your Grandstream phone device, press *** on the handset device and

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What is a PBX Phone System?

  • Created: Fri 1st Feb 2013
  • Joe

It’s a system that allows an organization to manage incoming and outgoing phone calls

How to setup your Trunk / Carrier / Provider in ViciDial – VicidialNow – Goautodial – Vicibox

  • Created: Fri 1st Feb 2013
  • Joe

Asterisk based dialers: VICIdial, GoAutodial, Vicibox, Vicidialnow Outgoing Configuration Parameters 1) How do I setup my SIP trunk for inbound/outbound calling? To start making and receiving calls using Switch2VoIP please verify that your Asterisk VICIdial server is configured as follows. We authenticate IP-PBX SIP Trunking traffic by: Digest Authentication (Username and SIP password) IP Authentication

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