G2 reviewers rated software sellers' ability to satisfy their needs as shown in the table below.
| Satisfaction | Satisfaction by Category | Net Promoter Score (NPS) | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Likelihood to Recommend | Product Going in Right Direction? | Meets Requirements | Ease of Admin | Ease of Doing Business With | Quality of Support | Ease of Setup | Ease of Use | ||
| Zoom | 94% | 84% | 95% | 92% | 94% | 89% | 93% | 95% | 82 |
| Nextiva | 89% | 81% | 92% | 87% | 91% | 93% | 84% | 89% | 66 |
| Dialpad Talk | 87% | 85% | 91% | 89% | 89% | 87% | 90% | 92% | 58 |
| GoTo Connect | 89% | 85% | 92% | 91% | 93% | 91% | 88% | 91% | 65 |
| OpenPhone | 96% | 92% | 94% | 96% | 97% | 96% | 96% | 97% | 89 |
| Vonage Business Communications | 86% | 84% | 92% | 90% | 90% | 88% | 87% | 90% | 57 |
| Webex Calling | 87% | 85% | 92% | 87% | 86% | 88% | 82% | 89% | 55 |
| Aircall | 86% | 84% | 86% | 87% | 82% | 85% | 89% | 91% | 59 |
| 3CX | 90% | 88% | 92% | 91% | 88% | 81% | 90% | 93% | 70 |
| 8x8 X Series | 81% | 76% | 88% | 84% | 84% | 82% | 83% | 86% | 41 |
| Ooma Office | 93% | 90% | 92% | 90% | 94% | 94% | 90% | 90% | 80 |
| VoIP.ms | 95% | 96% | 94% | 94% | 96% | 95% | 90% | 93% | 88 |
| GlobalMeet Collaboration | 88% | 94% | 90% | 88% | 89% | 91% | 87% | 92% | 64 |
| Intermedia Unite | 93% | 95% | 96% | 97% | 98% | 94% | 92% | 95% | 79 |
| CallHippo | 86% | 73% | 87% | 86% | 85% | 90% | 86% | 88% | 63 |
| CallTower | 88% | 72% | 94% | 86% | 92% | 92% | 90% | 92% | 58 |
| MightyCall | 89% | 82% | 90% | 92% | 95% | 95% | 90% | 92% | 64 |
| CloudTalk | 84% | 80% | 86% | 89% | 85% | 88% | 87% | 90% | 47 |
| Cisco | 88% | 87% | 92% | 84% | 91% | 89% | 75% | 85% | 60 |
| Switchvox | 85% | 80% | 92% | 89% | 90% | 89% | 84% | 88% | 47 |
| Genesys Cloud Voice | 97% | N/A | 95% | N/A | N/A | 98% | N/A | 93% | 93 |
| CallRail Call Tracking | 93% | 92% | 94% | 91% | 91% | 88% | 91% | 94% | 73 |
| net2phone | 90% | 86% | 90% | 87% | 90% | 90% | 89% | 90% | 76 |
| Freshdesk Contact Center | 82% | 91% | 92% | 95% | 98% | 93% | 88% | 91% | 40 |
| Cisco Business Edition 6000 | 83% | 100% | 95% | 86% | 91% | 92% | 71% | 92% | 39 |
| FreePBX | 89% | 86% | 94% | 89% | 94% | 92% | 89% | 90% | 57 |
| Crexendo | 97% | 93% | 99% | 96% | 99% | 99% | 95% | 97% | 92 |
| JustCall | 94% | 95% | 92% | 97% | 99% | 99% | 96% | 95% | 88 |
| Kixie PowerCall & SMS | 95% | 90% | 94% | 92% | 90% | 96% | 90% | 96% | 85 |
| Bria | 89% | 83% | 92% | 96% | 95% | 89% | 97% | 93% | 62 |
| Loop Communications | 96% | 94% | 97% | 96% | 98% | 98% | 96% | 97% | 88 |
| AVOXI | 90% | 91% | 93% | 98% | 98% | 96% | 98% | 93% | 66 |
| Global Call Forwarding | 100% | N/A | 97% | N/A | N/A | 100% | N/A | 100% | 100 |
| CloudCall | 79% | 73% | 83% | 79% | 84% | 82% | 80% | 82% | 34 |
| Talkroute | 98% | 100% | 100% | N/A | N/A | 97% | N/A | 94% | 100 |
| Ringover | 94% | 91% | 95% | 95% | 94% | 90% | 79% | 96% | 83 |
| SnapDial | 98% | 100% | 100% | N/A | N/A | 100% | N/A | 100% | 90 |
| Truly | 88% | 92% | 90% | 94% | 98% | 97% | 96% | 96% | 61 |
| Ring4 | 94% | 79% | 92% | 98% | 95% | 86% | 95% | 92% | 85 |
| CircleLoop | 84% | 100% | 96% | N/A | N/A | 100% | N/A | 95% | 50 |
| FluentStream Technologies | 97% | 89% | 94% | 86% | 95% | 97% | 90% | 94% | 100 |
| Cradle.io | 99% | 100% | 95% | 98% | 100% | 100% | 100% | 97% | 100 |
| Monster VoIP | 88% | 87% | 90% | 91% | 99% | 88% | 94% | 86% | 61 |
| TeleCMI | 90% | 71% | 86% | 86% | 89% | 94% | 94% | 95% | 82 |
| HotTelecom | 97% | 100% | 95% | N/A | N/A | 97% | N/A | 100% | 100 |
| RingCentral MVP | 76% | 72% | 87% | 80% | 78% | 77% | 76% | 84% | 23 |
| Windstream OfficeSuite UC | 82% | 85% | 87% | N/A | N/A | 84% | N/A | 91% | 30 |
| Mitel MiCloud Connect | 76% | 68% | 84% | 76% | 78% | 76% | 76% | 82% | 13 |
| Grasshopper | 81% | 68% | 87% | 87% | 83% | 82% | 84% | 86% | 40 |
| Mitel MiCollab | 84% | 89% | 89% | N/A | N/A | 89% | N/A | 84% | 55 |
| Comcast Business VoiceEdge | 76% | 71% | 83% | 74% | 76% | 79% | 75% | 81% | 33 |
| OfficeSuite | 78% | 80% | 94% | N/A | N/A | 84% | N/A | 81% | 15 |
| Fuze | 67% | 72% | 78% | 71% | 71% | 67% | 75% | 81% | -1 |
| Phone.com | 68% | 58% | 82% | N/A | N/A | 79% | N/A | 75% | 11 |
| OnSIP | 81% | 69% | 90% | 90% | 93% | 95% | 88% | 88% | 30 |
| Sonetel | 91% | 89% | 84% | 86% | 80% | 87% | 86% | 86% | 84 |
| Asterisk | 93% | 80% | 91% | 82% | 86% | 86% | 77% | 81% | 78 |
| VirtualPBX | 81% | 61% | 84% | 79% | 80% | 85% | 68% | 83% | 40 |
| MicroSIP | 83% | 93% | 91% | N/A | N/A | 69% | N/A | 92% | 41 |
| MiVoice Business | 79% | 75% | 84% | 79% | 75% | 80% | 77% | 85% | 29 |
| MiVoice Connect | 84% | 74% | 88% | 89% | 80% | 83% | 88% | 87% | 45 |
| Yodel.io | 91% | 94% | 89% | 91% | 90% | 91% | 91% | 92% | 68 |
| Zinc | 86% | 79% | 88% | N/A | N/A | 90% | N/A | 93% | 50 |
| iPlum | 74% | 64% | 88% | N/A | N/A | 79% | N/A | 94% | 39 |
| EntComm | 82% | 83% | 84% | N/A | N/A | 82% | N/A | 84% | 30 |
| Ekiga | 76% | 93% | 88% | 74% | N/A | 68% | 89% | 88% | 0 |
| Evolve IP Phone Systems | 80% | 91% | 84% | 89% | 89% | 92% | 86% | 86% | 38 |
| Line2 | 56% | 50% | 75% | 83% | 77% | 66% | 83% | 82% | -25 |
| NetFortris Unified Communications | 70% | 45% | 79% | 52% | 62% | 74% | 50% | 77% | 5 |
| Voice Carrier Connect | 83% | 65% | 86% | 86% | 82% | 81% | 80% | 86% | 40 |
| Toky | 69% | 60% | 71% | 76% | 75% | 64% | 79% | 72% | 11 |
| Average | 86% | 83% | 90% | 87% | 89% | 88% | 86% | 90% | 57 |
*N/A is displayed when fewer than five responses were received for the question.
**Net Promoter Score ranges from -100 to +100