# Cisco Unified Communications Manager (CallManager) vs Linphone Comparison

| | Cisco Unified Communications Manager (CallManager) | Linphone | 
|---|---|---|
| **Star Rating** | 4.4 out of 5 | 4.4 out of 5 | 
| **Total Reviews** | 111 | 16 | 
| **Largest Market Segment** | Mid-Market (50.0% of reviews) | Small-Business (50.0% of reviews) | 
| **Entry Level Price** | No pricing available | No pricing available | 

---
## Top Pros & Cons

### Cisco Unified Communications Manager (CallManager)

Pros:
- Reliability (3 reviews)
- Video Conferencing (3 reviews)

Cons:
- Complex Processes (2 reviews)
- Billing Issues (1 reviews)

### Linphone

Pros:
- Easy Access (1 reviews)
- Easy Connection (1 reviews)


---
## Ratings Comparison
| Rating | Cisco Unified Communications Manager (CallManager) | Linphone | 
|---|---|---|
  | **Meets Requirements** | 9.1 (91 reviews) | 9.5 (14 reviews) | 
  | **Ease of Use** | 8.1 (92 reviews) | 9.2 (14 reviews) | 
  | **Ease of Setup** | 6.9 (52 reviews) | Not enough data | 
  | **Ease of Admin** | 8.0 (54 reviews) | Not enough data | 
  | **Quality of Support** | 8.6 (87 reviews) | 9.2 (12 reviews) | 
  | **Has the product been a good partner in doing business?** | 8.7 (53 reviews) | Not enough data | 
  | **Product Direction (% positive)** | 8.4 (90 reviews) | 9.2 (14 reviews) | 

---
## Pricing

### Cisco Unified Communications Manager (CallManager)

#### Entry-Level Pricing

No pricing available

#### Free Trial

No information available

### Linphone

#### Entry-Level Pricing

No pricing available

#### Free Trial

No information available

---
## Features Comparison By Category

### VoIP Providers

| Product | Score | Reviews |
|---|---|---|
| **Cisco Unified Communications Manager (CallManager)** | 8.6/10 | 46 |
| **Linphone** | 8.7/10 | 9 |

#### Platform Basics - VoIP Providers

| Feature | Cisco Unified Communications Manager (CallManager) | Linphone | 
|---|---|---|
| **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 | Cisco Unified Communications Manager (CallManager) | Linphone | 
|---|---|---|
| **Phone Calls** | 9.8 (41 reviews) ✓ Verified | 9.8 (8 reviews) | 
| **Video Calls** | 8.7 (29 reviews) ✓ Verified | 8.3 (5 reviews) | 
| **Instant Messaging** | 8.2 (34 reviews) ✓ Verified | 8.3 (6 reviews) | 
| **Screen Sharing** | 7.7 (8 reviews) | Not enough data | 
| **Conference Calls** | 9.4 (38 reviews) ✓ Verified | 8.3 (8 reviews) | 
| **Desk-to-Desk Calls** | 9.8 (39 reviews) ✓ Verified | 8.6 (6 reviews) | 

#### Agentic AI - VoIP Providers

| Feature | Cisco Unified Communications Manager (CallManager) | Linphone | 
|---|---|---|
| **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 | Cisco Unified Communications Manager (CallManager) | Linphone | 
|---|---|---|
| **Software Pairing** | 7.9 (29 reviews) | 8.0 (5 reviews) | 
| **Browser Extension** | 7.6 (27 reviews) | Not enough data | 
| **Individual Download** | 7.3 (25 reviews) ✓ Verified | 9.2 (8 reviews) | 

#### Advanced Features

| Feature | Cisco Unified Communications Manager (CallManager) | Linphone | 
|---|---|---|
| **Hold Music** | 9.1 (33 reviews) ✓ Verified | 8.3 (8 reviews) | 
| **Automated Attendants** | 8.6 (35 reviews) ✓ Verified | 8.9 (6 reviews) | 
| **VOiP Number** | 9.1 (9 reviews) | 9.3 (7 reviews) | 

### Audio Conferencing

| Product | Score | Reviews |
|---|---|---|
| **Cisco Unified Communications Manager (CallManager)** | N/A | N/A |
| **Linphone** | N/A | N/A |

#### Agentic AI - Audio Conferencing

| Feature | Cisco Unified Communications Manager (CallManager) | Linphone | 
|---|---|---|
| **Proactive Assistance** | Not enough data | Not enough data | 
| **Decision Making** | Not enough data | Not enough data | 

### UCaaS Platforms

| Product | Score | Reviews |
|---|---|---|
| **Cisco Unified Communications Manager (CallManager)** | N/A | N/A |
| **Linphone** | N/A | N/A |

#### Agentic AI - UCaaS Platforms

| Feature | Cisco Unified Communications Manager (CallManager) | Linphone | 
|---|---|---|
| **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 | Cisco Unified Communications Manager (CallManager) | Linphone | 
|---|---|---|
| **Tenancy Flexibility** | Not enough data | Not enough data | 
| **Native VoIP** | Not enough data | Not enough data | 
| **CCaaS Option** | Feature Not Available | Not enough data | 

#### Features

| Feature | Cisco Unified Communications Manager (CallManager) | Linphone | 
|---|---|---|
| **Voicemail to Email** | Not enough data | Not enough data | 
| **Voicemail to SMS** | Feature Not Available | Not enough data | 
| **File Sharing** | Not enough data | Not enough data | 
| **Voice Conferencing** | Not enough data | Not enough data | 
| **Video Conferencing** | Not enough data | Not enough data | 
| **Conference Transcripts** | Not enough data | Not enough data | 

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

**Unique to Cisco Unified Communications Manager (CallManager) (2):** [UCaaS Platforms](https://www.g2.com/categories/ucaas-platforms), [Audio Conferencing Software](https://www.g2.com/categories/audio-conferencing)



---
## Reviewer Demographics

### By Company Size

| Segment | Cisco Unified Communications Manager (CallManager) | Linphone | 
|---|---|---|
| **Small-Business** | 6.7% | 50.0% | 
| **Mid-Market** | 50.0% | 50.0% | 
| **Enterprise** | 43.3% | 0% | 

### By Industry

#### Cisco Unified Communications Manager (CallManager)

- **Higher Education:** 15.4%
- **Information Technology and Services:** 13.5%
- **Computer Software:** 7.7%
- **Government Administration:** 4.8%
- **Telecommunications:** 4.8%
- **Insurance:** 4.8%
- **Hospital & Health Care:** 3.8%
- **Oil & Energy:** 3.8%
- **Banking:** 2.9%
- **Machinery:** 2.9%
- **Other:** 35.6%

#### Linphone

- **Information Technology and Services:** 12.5%
- **Facilities Services:** 12.5%
- **Telecommunications:** 6.3%
- **Staffing and Recruiting:** 6.3%
- **Real Estate:** 6.3%
- **Insurance:** 6.3%
- **Information Services:** 6.3%
- **Higher Education:** 6.3%
- **Food & Beverages:** 6.3%
- **Consumer Goods:** 6.3%
- **Other:** 25.0%

---
## Alternatives

### Alternatives to Cisco Unified Communications Manager (CallManager)

- [Genesys Cloud CX](https://www.g2.com/products/genesys-cloud-cx/reviews) — 4.4/5 stars (1555 reviews)
- [RingEX](https://www.g2.com/products/ringex/reviews) — 4.2/5 stars (1408 reviews)
- [3CX](https://www.g2.com/products/3cx/reviews) — 4.4/5 stars (547 reviews)
- [Mitel](https://www.g2.com/products/mitel/reviews) — 3.8/5 stars (235 reviews)
- [Vonage Business Communications](https://www.g2.com/products/vonage-business-communications/reviews) — 4.3/5 stars (504 reviews)
- [Asterisk](https://www.g2.com/products/asterisk/reviews) — 4.6/5 stars (59 reviews)
- [GoTo Connect](https://www.g2.com/products/goto-connect/reviews) — 4.4/5 stars (1415 reviews)
- [Zoom Workplace](https://www.g2.com/products/zoom-workplace/reviews) — 4.5/5 stars (56491 reviews)
- [Twilio](https://www.g2.com/products/twilio/reviews) — 4.1/5 stars (528 reviews)
- [Dialpad Connect](https://www.g2.com/products/dialpad-connect/reviews) — 4.4/5 stars (4196 reviews)

### Alternatives to Linphone

- [MicroSIP](https://www.g2.com/products/microsip/reviews) — 4.2/5 stars (21 reviews)
- [Asterisk](https://www.g2.com/products/asterisk/reviews) — 4.6/5 stars (59 reviews)
- [3CX](https://www.g2.com/products/3cx/reviews) — 4.4/5 stars (547 reviews)
- [Bria](https://www.g2.com/products/bria/reviews) — 4.4/5 stars (68 reviews)
- [Webex Calling](https://www.g2.com/products/webex-calling/reviews) — 4.5/5 stars (635 reviews)
- [GoTo Connect](https://www.g2.com/products/goto-connect/reviews) — 4.4/5 stars (1415 reviews)
- [VoIP.ms](https://www.g2.com/products/voip-ms/reviews) — 4.6/5 stars (106 reviews)
- [Twilio Flex](https://www.g2.com/products/twilio-twilio-flex/reviews) — 4.1/5 stars (36 reviews)
- [RingEX](https://www.g2.com/products/ringex/reviews) — 4.2/5 stars (1408 reviews)
- [Quo](https://www.g2.com/products/quo-quo/reviews) — 4.7/5 stars (3391 reviews)

---
## Top Discussions

### Cisco Unified Communications Manager (CallManager)

No discussions available for this product.

### Linphone

No discussions available for this product.

---
**Source:** [G2.com](https://www.g2.com) | [Comparison Page](https://www.g2.com/compare/cisco-unified-communications-manager-callmanager-vs-linphone)