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Best OnSIP Alternatives in 2026

12 platforms from business phone systems ranked against OnSIP on the same published basis.

  1. 1
    Dollu CCaaS apiWeb 7.7
    OnSIP vs Dollu CCaaS
  2. 2
    Sangoma PBXact AndroidapiiOSMacself-hosted $1.66/mo7.6
    OnSIP vs Sangoma PBXact
  3. 3
    Microsoft Teams Free plan AndroidiOSLinuxMacWeb $0.33/mo7.5
    OnSIP vs Microsoft Teams
  4. 4
    PortaSwitch apiself-hostedWeb 7.5
    OnSIP vs PortaSwitch
  5. 5
    3CX Free plan WebWinLinuxiOSAndroid $25/mo7.3
    OnSIP vs 3CX
  6. 6
    PortSIP PBX Free plan Free7.1
    OnSIP vs PortSIP PBX
  7. 7
    Freshcaller Free plan AndroidiOSWeb $15/mo7.0
    OnSIP vs Freshcaller
  8. 8
    RingCentral RingEX AndroidiOS 6.9
    OnSIP vs RingCentral RingEX
  9. 9
    FreePBX WebLinuxiOSAndroid 6.9
    OnSIP vs FreePBX
  10. 10
    CloudTalk AI Voice Agent Free trial AndroidapiiOSLinuxMac 6.9
    OnSIP vs CloudTalk AI Voice Agent
  11. 11
    Ring.io Free plan AndroidapiextensioniOSMac $7.50/mo6.9
    OnSIP vs Ring.io
  12. 12
    Nextiva AndroidextensioniOSLinuxMac $15/mo6.8
    OnSIP vs Nextiva
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The sponsored alternative slot on this page is labelled and never changes the order above.

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