Cloud Provider Recommendations 

• Vultr ($5/month using CentOS 7 or Debian 10 image; +$1.00/mo. with backups)
• Digital Ocean ($5/month using CentOS 7 or Debian 10 image; +$1.00/mo. with backups)
• CrownCloud (~$2/month using Incredible PBX image with Debian 10 or CentOS 7; free snapshot)
• HotlineServers ($30/year with daily offsite backups using Coupon Code: voip2021)
• OVH ($3.50/mo. using CentOS 7 or Debian 10; +$1.10/mo. with snapshot)

Cloud Alternatives Without Backups 

• RackNerd ($10.98/year with 1GB RAM/17GB SSD/3TB BW)
• RackNerd ($14.38/year with 1GB RAM/15GB SSD/2TB BW)
• Hostodo ($20/year with 1GB RAM/12GB SSD/4TB BW)
• Google Cloud (using CentOS 7 or Debian 10 image)
• Cloud At Cost (using CentOS 7.5 or Debian 10 image)

Virtual Machine Platform Images 

• Proxmox (Debian 10)
• VirtualBox (Debian 10)
• VirtualBox (CentOS 7)
• VMware ESXi (CentOS 7)

VoIP Provider Recommendations 

Other VoIP Provider Alternatives 

• BulkVS
• V1VoIP
• Anveo Direct
• Callcentric
• Nexmo/Vonage
• RingCentral
• SignalWire
• Localphone
• FreeVoipDeal/Betamax

Softphone Provider Recommendations 

• Clearly Anywhere
• Acrobits Groundwire
• SessionTalk Pro for iOS and Android
• Linphone

Mobile Cellphone Extensions for Asterisk 

• GTI Global