Instead of Wazo Platform
Wazo Platform alternatives
Wazo Platform is a free, open-source telecom stack for developers building voice, video, messaging and presence services. Its APIs and WebRTC, WebSockets and Webhooks support integrations, while its telecom services cover calls, chat, call centers, conferences and voicemail. You can deploy it on bare metal, virtual machines or containers, and the GPL-3 license allows commercial use. Its custom routing and auto attendant suit teams shaping their own communications infrastructure.
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Microsoft Teams
by Microsoft TeamsFree plan AndroidiPhoneLinux+3Teams centered on Microsoft 365 collaboration — Microsoft Teams offers channels, guest access, unlimited message history and Microsoft 365 integrations, rather than Wazo’s programmable telecom microservices.
Free plan Visit site - 2
3CX
by 3CXFree plan WebWindowsLinux+3Businesses seeking a phone system with apps — 3CX offers desktop and mobile apps, voicemail transcription and advanced routing, while Wazo is an API-first telecom stack for building services.
Free plan · paid from $300/yr Visit site - 3
PortSIP PBX
Free plan AndroidAPIiPhone+4Service providers and MVNOs building communications services — PortSIP PBX targets service providers and MVNOs with multi-tenant UCaaS, CPaaS and CCaaS, plus SMS and WhatsApp.
Free plan Visit site - 4
VitalPBX
by VitalPBXFree plan AndroidAPIExtension+6Businesses wanting an Asterisk-based Linux phone system — VitalPBX is a Linux-based business phone system built on Asterisk, while Wazo is an API-first stack of telecom microservices.
Free plan · paid from $100/mo Visit site - 5
Zadarma
by ZadarmaFree plan WebWindowsMac+2Small teams wanting phone service with apps — Zadarma provides desktop and mobile apps and supports 10 included users, while Wazo is self-hosted telecom infrastructure for developers.
Free plan · paid from $39/mo (annual) · 7-day trial Visit site - 6
Freshcaller
Free plan AndroidiPhoneWebCloud contact centers needing call intelligence — Freshcaller adds cloud contact-center routing, numbers from more than 90 countries, call recordings, transcripts and live dashboards.
Free plan · paid from $15/user/mo (annual) · 14-day trial Visit site - 7
OnSIP
by OnSIPFree plan AndroidiPhoneMac+2Teams seeking hosted calling with a small user allowance — OnSIP offers a five-user allowance, multiple business numbers and voicemail transcription, while Wazo is an open-source telecom stack.
Free plan · paid from $18.95/user/mo · 30-day trial Visit site - 8
Aculab Cloud
Free plan AndroidAPIiPhone+27.7 Visit site - 9
Asterisk
Free plan APILinuxSelf-hosted - 10
FreeSWITCH
Free plan APILinuxMac+2 - 11
Kamailio
Free plan APILinuxSelf-hosted - 12
SIP.IO
Free plan APIWeb - 13
YateClient
Free plan AndroidiPhoneLinux+2 - 14
Callr
Free trial AndroidAPIiPhone+1 - 15
Infobip Voice API
Free trial AndroidAPIiPhone+1 - 16
Plivo Voice API
Free trial AndroidAPIiPhone+16.1 Visit site - 17
Amazon Chime SDK PSTN Audio
Paid AndroidAPIiPhone+26.0 Visit site - 18
D7 Networks
Free trial APIWeb6.0 Visit site - 19
Amazon Chime SDK Voice Connector
Paid APISelf-hostedWeb - 20
drachtio
Free plan Linux - 21
Telnyx SIP Trunking
Free trial AndroidAPIiPhone+15.9 Visit site - 22
46elks
Paid APIWeb5.8 Visit site - 23
Fonoster
Free plan Web - 24
jambonz
Free plan Web - 25
sipgate.io
Free plan Web - 26
CallFire API
Paid API - 27
Commio Voice API
Paid API - 28
Kaleyra Voice API
Paid API - 29
Orange Voice API
Paid API - 30
Apifonica Voice API
Paid Web - 31
EnableX Voice API
Paid AndroidiPhoneWeb
That flexibility also brings installation and security work: the documented all-in-one setup uses Debian 12 and Ansible, and firewall rules need configuration. Support is community-based; web or mobile apps and a management console are offered through Wazo Enterprise products. The small-production guide specifies 2 CPUs, 4 GiB RAM and 50 GiB storage for about 50 users. When switching, consider whether you want a platform to build on or a more packaged phone or collaboration service, along with its routing, messaging, apps, deployment choices and paid-plan terms.