# Avaya Unified Communications vs OnSIP Comparison

| | Avaya Unified Communications | OnSIP | 
|---|---|---|
| **Star Rating** | 4.2 out of 5 | 4.1 out of 5 | 
| **Total Reviews** | 42 | 28 | 
| **Largest Market Segment** | Enterprise (60.5% of reviews) | Small-Business (80.8% of reviews) | 
| **Entry Level Price** | No pricing available | $18.95 user/month | 

---
## Top Pros & Cons

### Avaya Unified Communications

Pros:
- Communication (1 reviews)
- Customizability (1 reviews)

Cons:
- Audio Issues (1 reviews)
- Audio Problems (1 reviews)

### OnSIP

Pros:
- Customer Service (1 reviews)
- Customer Support (1 reviews)

Cons:
- Performance Issues (1 reviews)
- Platform Issues (1 reviews)

---
## Ratings Comparison
| Rating | Avaya Unified Communications | OnSIP | 
|---|---|---|
  | **Meets Requirements** | 9.1 (30 reviews) | 8.8 (17 reviews) | 
  | **Ease of Use** | 8.7 (30 reviews) | 8.4 (17 reviews) | 
  | **Ease of Setup** | 7.8 (12 reviews) | 8.5 (9 reviews) | 
  | **Ease of Admin** | 9.1 (11 reviews) | 8.8 (10 reviews) | 
  | **Quality of Support** | 8.4 (29 reviews) | 9.4 (14 reviews) | 
  | **Has the product been a good partner in doing business?** | 8.9 (12 reviews) | 9.2 (8 reviews) | 
  | **Product Direction (% positive)** | 6.9 (30 reviews) | 6.4 (13 reviews) | 

---
## Pricing

### Avaya Unified Communications

#### Entry-Level Pricing

No pricing available

#### Free Trial

Yes

### OnSIP

#### Entry-Level Pricing

Plan: Unlimited

Price: $18.95 user/month

Description: Your all-in-one business phone system – phones included!


[Browse all 2 editions](https://www.g2.com/products/onsip/pricing)

#### Free Trial

Yes

---
## Features Comparison By Category

### Video Conferencing

| Product | Score | Reviews |
|---|---|---|
| **Avaya Unified Communications** | 8.6/10 | 10 |
| **OnSIP** | N/A | N/A |

#### Collaboration Tools

| Feature | Avaya Unified Communications | OnSIP | 
|---|---|---|
| **Screen Sharing** | 8.9 (9 reviews) | Not enough data | 
| **Presentations** | Not enough data | Not enough data | 
| **Whiteboarding** | Not enough data | Not enough data | 
| **Live Chat** | Not enough data | Not enough data | 
| **Hand Raising** | Not enough data | Not enough data | 

#### Meeting Coordination

| Feature | Avaya Unified Communications | OnSIP | 
|---|---|---|
| **Scheduling** | 8.0 (10 reviews) | Not enough data | 
| **Recording** | 9.0 (10 reviews) | Not enough data | 
| **Participant Permissions** | 8.8 (10 reviews) | Not enough data | 
| **One-Click Join** | Not enough data | Not enough data | 

#### Software Type

| Feature | Avaya Unified Communications | OnSIP | 
|---|---|---|
| **Mobile** | 8.5 (9 reviews) | Not enough data | 
| **Browser Application** | Not enough data | Not enough data | 
| **Desktop Application** | Not enough data | Not enough data | 

#### Agentic AI - Video Conferencing

| Feature | Avaya Unified Communications | OnSIP | 
|---|---|---|
| **Autonomous Task Execution** | Not enough data | Not enough data | 
| **Proactive Assistance** | Not enough data | Not enough data | 
| **Decision Making** | Not enough data | Not enough data | 

### Cloud PBX Platforms

| Product | Score | Reviews |
|---|---|---|
| **Avaya Unified Communications** | N/A | N/A |
| **OnSIP** | N/A | N/A |

#### Basic Communication - Cloud PBX

| Feature | Avaya Unified Communications | OnSIP | 
|---|---|---|
| **Call Management** | Not enough data | Not enough data | 
| **Communication Management** | Not enough data | Not enough data | 
| **Scalability** | Not enough data | Not enough data | 
| **Integrations** | Not enough data | Not enough data | 
| **Mobile Accessibility** | Not enough data | Not enough data | 
| **Accessibility** | Not enough data | Not enough data | 

#### Advanced Features - Cloud PBX

| Feature | Avaya Unified Communications | OnSIP | 
|---|---|---|
| **Security and Compliance** | Not enough data | Not enough data | 
| **Analytics and Reporting** | Not enough data | Not enough data | 
| **Support and Reliability** | Not enough data | Not enough data | 
| **Automated attendant** | Not enough data | Not enough data | 

### VoIP Providers

| Product | Score | Reviews |
|---|---|---|
| **Avaya Unified Communications** | N/A | N/A |
| **OnSIP** | 8.9/10 | 14 |

#### Platform Basics - VoIP Providers

| Feature | Avaya Unified Communications | OnSIP | 
|---|---|---|
| **PBX systems, VoIP Softphone** | Not enough data | Not enough data | 
| **Call Management** | Not enough data | Not enough data | 
| **Network monitoring** | Not enough data | Not enough data | 
| **Integrations** | Not enough data | Not enough data | 
| **Virtual PBX** | Not enough data | Not enough data | 
| **SIP trunking services** | Not enough data | Not enough data | 

#### Basic Communication

| Feature | Avaya Unified Communications | OnSIP | 
|---|---|---|
| **Phone Calls** | Not enough data | 9.2 (13 reviews) | 
| **Video Calls** | Not enough data | Not enough data | 
| **Instant Messaging** | Not enough data | Not enough data | 
| **Screen Sharing** | Not enough data | Not enough data | 
| **Conference Calls** | Not enough data | Not enough data | 
| **Desk-to-Desk Calls** | Not enough data | 9.1 (11 reviews) | 

#### Agentic AI - VoIP Providers

| Feature | Avaya Unified Communications | OnSIP | 
|---|---|---|
| **Autonomous Task Execution** | Not enough data | Not enough data | 
| **Cross-system Integration** | Not enough data | Not enough data | 
| **Adaptive Learning** | Not enough data | Not enough data | 
| **Proactive Assistance** | Not enough data | Not enough data | 

#### Access

| Feature | Avaya Unified Communications | OnSIP | 
|---|---|---|
| **Software Pairing** | Not enough data | 8.3 (5 reviews) | 
| **Browser Extension** | Not enough data | Not enough data | 
| **Individual Download** | Not enough data | 8.8 (10 reviews) | 

#### Advanced Features

| Feature | Avaya Unified Communications | OnSIP | 
|---|---|---|
| **Hold Music** | Not enough data | 8.3 (8 reviews) | 
| **Automated Attendants** | Not enough data | 9.2 (8 reviews) | 
| **VOiP Number** | Not enough data | 9.3 (9 reviews) | 

### UCaaS Platforms

| Product | Score | Reviews |
|---|---|---|
| **Avaya Unified Communications** | 9.3/10 | 8 |
| **OnSIP** | N/A | N/A |

#### Agentic AI - UCaaS Platforms

| Feature | Avaya Unified Communications | OnSIP | 
|---|---|---|
| **Autonomous Task Execution** | Not enough data | Not enough data | 
| **Cross-system Integration** | Not enough data | Not enough data | 
| **Adaptive Learning** | Not enough data | Not enough data | 
| **Natural Language Interaction** | Not enough data | Not enough data | 

#### Extensions

| Feature | Avaya Unified Communications | OnSIP | 
|---|---|---|
| **Tenancy Flexibility** | 9.3 (5 reviews) | Not enough data | 
| **Native VoIP** | 9.0 (7 reviews) ✓ Verified | Not enough data | 
| **CCaaS Option** | 8.7 (5 reviews) ✓ Verified | Not enough data | 

#### Features

| Feature | Avaya Unified Communications | OnSIP | 
|---|---|---|
| **Voicemail to Email** | Feature Not Available | Not enough data | 
| **Voicemail to SMS** | Feature Not Available | Not enough data | 
| **File Sharing** | 9.3 (5 reviews) ✓ Verified | Not enough data | 
| **Voice Conferencing** | 9.7 (6 reviews) ✓ Verified | Not enough data | 
| **Video Conferencing** | 9.7 (6 reviews) ✓ Verified | Not enough data | 
| **Conference Transcripts** | 9.7 (5 reviews) | Not enough data | 

---
## Categories
**Shared Categories (1):** [VoIP Providers](https://www.g2.com/categories/voip-providers)

**Unique to Avaya Unified Communications (3):** [Video Conferencing Software](https://www.g2.com/categories/video-conferencing), [UCaaS Platforms](https://www.g2.com/categories/ucaas-platforms), [Cloud PBX Platforms Software](https://www.g2.com/categories/cloud-pbx-platforms)



---
## Reviewer Demographics

### By Company Size

| Segment | Avaya Unified Communications | OnSIP | 
|---|---|---|
| **Small-Business** | 18.4% | 80.8% | 
| **Mid-Market** | 21.1% | 19.2% | 
| **Enterprise** | 60.5% | 0% | 

### By Industry

#### Avaya Unified Communications

- **Computer Software:** 10.5%
- **Insurance:** 10.5%
- **Information Technology and Services:** 7.9%
- **Utilities:** 5.3%
- **Banking:** 5.3%
- **Marketing and Advertising:** 5.3%
- **Cosmetics:** 5.3%
- **Financial Services:** 5.3%
- **Accounting:** 2.6%
- **Alternative Medicine:** 2.6%
- **Other:** 39.5%

#### OnSIP

- **Non-Profit Organization Management:** 15.4%
- **Hospital & Health Care:** 11.5%
- **Computer Software:** 11.5%
- **Medical Devices:** 7.7%
- **Marketing and Advertising:** 7.7%
- **Legal Services:** 7.7%
- **Research:** 3.8%
- **Performing Arts:** 3.8%
- **Oil & Energy:** 3.8%
- **Libraries:** 3.8%
- **Other:** 23.1%

---
## Alternatives

### Alternatives to Avaya Unified Communications

- [Webex Suite](https://www.g2.com/products/cisco-webex-suite/reviews) — 4.2/5 stars (18891 reviews)
- [Microsoft Teams](https://www.g2.com/products/microsoft-teams/reviews) — 4.4/5 stars (19003 reviews)
- [Zoom Workplace](https://www.g2.com/products/zoom-workplace/reviews) — 4.5/5 stars (56389 reviews)
- [RingEX](https://www.g2.com/products/ringex/reviews) — 4.2/5 stars (1364 reviews)
- [Webex Calling](https://www.g2.com/products/webex-calling/reviews) — 4.5/5 stars (633 reviews)
- [3CX](https://www.g2.com/products/3cx/reviews) — 4.4/5 stars (546 reviews)
- [Nextiva](https://www.g2.com/products/nextiva/reviews) — 4.5/5 stars (3566 reviews)
- [8x8 Work](https://www.g2.com/products/8x8-work/reviews) — 4.2/5 stars (926 reviews)
- [Genesys Cloud CX](https://www.g2.com/products/genesys-cloud-cx/reviews) — 4.4/5 stars (1547 reviews)
- [Google Workspace](https://www.g2.com/products/google-workspace/reviews) — 4.6/5 stars (48016 reviews)

### Alternatives to OnSIP

- [GoTo Connect](https://www.g2.com/products/goto-connect/reviews) — 4.4/5 stars (1414 reviews)
- [RingEX](https://www.g2.com/products/ringex/reviews) — 4.2/5 stars (1364 reviews)
- [Vonage Business Communications](https://www.g2.com/products/vonage-business-communications/reviews) — 4.3/5 stars (501 reviews)
- [Nextiva](https://www.g2.com/products/nextiva/reviews) — 4.5/5 stars (3566 reviews)
- [Webex Calling](https://www.g2.com/products/webex-calling/reviews) — 4.5/5 stars (633 reviews)
- [3CX](https://www.g2.com/products/3cx/reviews) — 4.4/5 stars (546 reviews)
- [Aircall](https://www.g2.com/products/aircall/reviews) — 4.4/5 stars (1585 reviews)
- [Dialpad Connect](https://www.g2.com/products/dialpad-connect/reviews) — 4.4/5 stars (4165 reviews)
- [8x8 Work](https://www.g2.com/products/8x8-work/reviews) — 4.2/5 stars (926 reviews)
- [CloudTalk](https://www.g2.com/products/cloudtalk/reviews) — 4.4/5 stars (1839 reviews)

---
## Top Discussions

### Avaya Unified Communications

No discussions available for this product.

### OnSIP

- Title: [How much does OnSIP cost?](https://www.g2.com/discussions/how-much-does-onsip-cost) — 1 comment
  > **Top comment:** "approx 55/month and then usage."
- Title: [How does OnSIP work?](https://www.g2.com/discussions/how-does-onsip-work) — 1 comment
  > **Top comment:** "Terribly!"

---
**Source:** [G2.com](https://www.g2.com) | [Comparison Page](https://www.g2.com/compare/avaya-unified-communications-vs-onsip)