# Cisco Unified Communications Manager (CallManager) vs Grandstream IP Video Phones Comparison

| | Cisco Unified Communications Manager (CallManager) | Grandstream IP Video Phones | 
|---|---|---|
| **Star Rating** | 4.4 out of 5 | 4.1 out of 5 | 
| **Total Reviews** | 111 | 13 | 
| **Largest Market Segment** | Mid-Market (50.0% of reviews) | Mid-Market (46.2% 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)

### Grandstream IP Video Phones

**Not enough data**

---
## Ratings Comparison
| Rating | Cisco Unified Communications Manager (CallManager) | Grandstream IP Video Phones | 
|---|---|---|
  | **Meets Requirements** | 9.1 (91 reviews) | 8.8 (7 reviews) | 
  | **Ease of Use** | 8.1 (92 reviews) | 9.1 (9 reviews) | 
  | **Ease of Setup** | 6.9 (52 reviews) | 7.6 (7 reviews) | 
  | **Ease of Admin** | 8.0 (54 reviews) | Not enough data | 
  | **Quality of Support** | 8.6 (87 reviews) | 8.1 (6 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) | 8.3 (7 reviews) | 

---
## Pricing

### Cisco Unified Communications Manager (CallManager)

#### Entry-Level Pricing

No pricing available

#### Free Trial

No information available

### Grandstream IP Video Phones

#### Entry-Level Pricing

No pricing available

#### Free Trial

No information available

---
## Features Comparison By Category

### Collaboration & Productivity

| Product | Score | Reviews |
|---|---|---|
| **Cisco Unified Communications Manager (CallManager)** | N/A | N/A |
| **Grandstream IP Video Phones** | N/A | N/A |

#### Additional Functionality

| Feature | Cisco Unified Communications Manager (CallManager) | Grandstream IP Video Phones | 
|---|---|---|
| **Third-Party Integrations** | Not enough data | Not enough data | 
| **To-Do List** | Not enough data | Not enough data | 
| **@mentions** | Not enough data | Not enough data | 
| **Single Sign On** | Not enough data | Not enough data | 
| **File Management** | Not enough data | Not enough data | 
| **Activity Dashboard** | Not enough data | Not enough data | 
| **Drag & Drop** | Not enough data | Not enough data | 
| **Alerts/Notifications** | Not enough data | Not enough data | 
| **Prioritization** | Not enough data | Not enough data | 
| **Access Controls/Permissions** | Not enough data | Not enough data | 
| **Screen Sharing** | Not enough data | Not enough data | 
| **Content Management** | Not enough data | Not enough data | 
| **Brainstorming** | Not enough data | Not enough data | 
| **AI Copilot** | Not enough data | Not enough data | 
| **File Transfer** | Not enough data | Not enough data | 
| **Calendar Management** | Not enough data | Not enough data | 
| **Status Tracking** | Not enough data | Not enough data | 
| **Real-Time Notifications** | Not enough data | Not enough data | 
| **Version Control** | Not enough data | Not enough data | 
| **Task Management** | Not enough data | Not enough data | 
| **Activity Tracking** | Not enough data | Not enough data | 
| **Real Time Editing** | Not enough data | Not enough data | 
| **Communication Management** | Not enough data | Not enough data | 
| **Chat/Messaging** | Not enough data | Not enough data | 
| **Tagging** | Not enough data | Not enough data | 
| **Generative AI** | Not enough data | Not enough data | 
| **Assignment Management** | Not enough data | Not enough data | 
| **Task Scheduling** | Not enough data | Not enough data | 
| **Project Management** | Not enough data | Not enough data | 
| **Collaboration Tools** | Not enough data | Not enough data | 
| **Workflow Management** | Not enough data | Not enough data | 
| **Secure Data Storage** | Not enough data | Not enough data | 
| **File Sharing** | Not enough data | Not enough data | 
| **Document Storage** | Not enough data | Not enough data | 
| **Task Progress Tracking** | Not enough data | Not enough data | 
| **Discussions/Forums** | Not enough data | Not enough data | 
| **Commenting/Notes** | Not enough data | Not enough data | 
| **Reporting & Statistics** | Not enough data | Not enough data | 
| **Contact Management** | Not enough data | Not enough data | 
| **Video Conferencing** | Not enough data | Not enough data | 
| **Progress Tracking** | Not enough data | Not enough data | 
| **Mobile Access** | Not enough data | Not enough data | 
| **API** | Not enough data | Not enough data | 
| **Document Management** | Not enough data | Not enough data | 
| **Customizable Branding** | Not enough data | Not enough data | 

### VoIP Providers

| Product | Score | Reviews |
|---|---|---|
| **Cisco Unified Communications Manager (CallManager)** | 8.6/10 | 46 |
| **Grandstream IP Video Phones** | 9.3/10 | 5 |

#### Platform Basics - VoIP Providers

| Feature | Cisco Unified Communications Manager (CallManager) | Grandstream IP Video Phones | 
|---|---|---|
| **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 | 
| **Contact Management** | Not enough data | Not enough data | 
| **Communication Management** | Not enough data | Not enough data | 
| **Fax Management** | Not enough data | Not enough data | 
| **Call List Management** | Not enough data | Not enough data | 
| **Call Center Management** | Not enough data | Not enough data | 
| **Queue Management** | Not enough data | Not enough data | 
| **Third-Party Integrations** | Not enough data | Not enough data | 
| **Computer Telephony Integration** | Not enough data | Not enough data | 
| **Real-Time Monitoring** | Not enough data | Not enough data | 
| **Call Monitoring** | Not enough data | Not enough data | 
| **Workflow Management** | Not enough data | Not enough data | 
| **Call Center Integration** | Not enough data | Not enough data | 

#### Basic Communication

| Feature | Cisco Unified Communications Manager (CallManager) | Grandstream IP Video Phones | 
|---|---|---|
| **Phone Calls** | 9.8 (41 reviews) ✓ Verified | 9.3 (5 reviews) | 
| **Video Calls** | 8.7 (29 reviews) ✓ Verified | Not enough data | 
| **Instant Messaging** | 8.2 (34 reviews) ✓ Verified | Not enough data | 
| **Screen Sharing** | 7.7 (8 reviews) | Not enough data | 
| **Conference Calls** | 9.4 (38 reviews) ✓ Verified | Not enough data | 
| **Desk-to-Desk Calls** | 9.8 (39 reviews) ✓ Verified | Not enough data | 
| **SMS Messaging** | Not enough data | Not enough data | 
| **Chat/Messaging** | Not enough data | Not enough data | 
| **Video Call Recording** | Not enough data | Not enough data | 
| **Two-Way Audio & Video** | Not enough data | Not enough data | 
| **SIP Trunking** | Not enough data | Not enough data | 

#### Agentic AI - VoIP Providers

| Feature | Cisco Unified Communications Manager (CallManager) | Grandstream IP Video Phones | 
|---|---|---|
| **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) | Grandstream IP Video Phones | 
|---|---|---|
| **Software Pairing** | 7.9 (29 reviews) | Not enough data | 
| **Browser Extension** | 7.6 (27 reviews) | Not enough data | 
| **Individual Download** | 7.3 (25 reviews) ✓ Verified | Not enough data | 

#### Advanced Features

| Feature | Cisco Unified Communications Manager (CallManager) | Grandstream IP Video Phones | 
|---|---|---|
| **Hold Music** | 9.1 (33 reviews) ✓ Verified | Not enough data | 
| **Automated Attendants** | 8.6 (35 reviews) ✓ Verified | Not enough data | 
| **VOiP Number** | 9.1 (9 reviews) | Not enough data | 

#### Additional Functionality

| Feature | Cisco Unified Communications Manager (CallManager) | Grandstream IP Video Phones | 
|---|---|---|
| **Live Chat** | Not enough data | Not enough data | 
| **Multi-Channel Communication** | Not enough data | Not enough data | 
| **Customizable Reports** | Not enough data | Not enough data | 
| **Call Tracking** | Not enough data | Not enough data | 
| **Automatic Call Distribution** | Not enough data | Not enough data | 
| **Real-Time Data** | Not enough data | Not enough data | 
| **Purchasing & Receiving** | Not enough data | Not enough data | 
| **Employee Directory** | Not enough data | Not enough data | 
| **AI Copilot** | Not enough data | Not enough data | 
| **Activity Tracking** | Not enough data | Not enough data | 
| **Collaboration Tools** | Not enough data | Not enough data | 
| **Call Scripting** | Not enough data | Not enough data | 
| **Real-Time Reporting** | Not enough data | Not enough data | 
| **Call Recording** | Not enough data | Not enough data | 
| **Real-Time Analytics** | Not enough data | Not enough data | 
| **Virtual Call Center** | Not enough data | Not enough data | 
| **Activity Dashboard** | Not enough data | Not enough data | 
| **Reporting & Statistics** | Not enough data | Not enough data | 
| **CRM** | Not enough data | Not enough data | 
| **Auto-Dialer** | Not enough data | Not enough data | 
| **Generative AI** | Not enough data | Not enough data | 
| **Contact Database** | Not enough data | Not enough data | 
| **Call Transfer** | Not enough data | Not enough data | 
| **Call Reporting** | Not enough data | Not enough data | 
| **Call Logging** | Not enough data | Not enough data | 
| **Voice Mail** | Not enough data | Not enough data | 
| **Caller ID** | Not enough data | Not enough data | 
| **Customizable Caller ID** | Not enough data | Not enough data | 
| **Mobile Access** | Not enough data | Not enough data | 
| **Callback Scheduling** | Not enough data | Not enough data | 
| **IVR** | Not enough data | Not enough data | 
| **API** | Not enough data | Not enough data | 
| **Interaction Tracking** | Not enough data | Not enough data | 
| **Call Routing** | Not enough data | Not enough data | 
| **Alerts/Notifications** | Not enough data | Not enough data | 
| **Video Conferencing** | Not enough data | Not enough data | 
| **Call Conferencing** | Not enough data | Not enough data | 
| **Call Disposition** | Not enough data | Not enough data | 
| **Predictive Dialer** | Not enough data | Not enough data | 
| **Spam Blocker** | Not enough data | Not enough data | 
| **On-Demand Recording** | Not enough data | Not enough data | 
| **Caller Profiles** | Not enough data | Not enough data | 
| **Multiple User Accounts** | Not enough data | Not enough data | 
| **VoIP Connection** | Not enough data | Not enough data | 
| **Conferencing** | Not enough data | Not enough data | 
| **Text to Speech** | Not enough data | Not enough data | 
| **Reporting/Analytics** | Not enough data | Not enough data | 
| **VoIP** | Not enough data | Not enough data | 
| **Call Queues** | Not enough data | Not enough data | 
| **Call Screening** | Not enough data | Not enough data | 
| **Access Controls/Permissions** | Not enough data | Not enough data | 
| **Online Voice Transmission** | Not enough data | Not enough data | 
| **Unified Communications** | Not enough data | Not enough data | 
| **Voicemail Transcription** | Not enough data | Not enough data | 

### Audio Conferencing

| Product | Score | Reviews |
|---|---|---|
| **Cisco Unified Communications Manager (CallManager)** | N/A | N/A |
| **Grandstream IP Video Phones** | N/A | N/A |

#### Agentic AI - Audio Conferencing

| Feature | Cisco Unified Communications Manager (CallManager) | Grandstream IP Video Phones | 
|---|---|---|
| **Proactive Assistance** | Not enough data | Not enough data | 
| **Decision Making** | Not enough data | Not enough data | 

#### Additional Functionality

| Feature | Cisco Unified Communications Manager (CallManager) | Grandstream IP Video Phones | 
|---|---|---|
| **Screen Sharing** | Not enough data | Not enough data | 
| **Generative AI** | Not enough data | Not enough data | 
| **Custom Greetings/Messages** | Not enough data | Not enough data | 
| **Mobile Access** | Not enough data | Not enough data | 
| **International Calling** | Not enough data | Not enough data | 
| **Virtual Voicemail** | Not enough data | Not enough data | 
| **Call Scheduling** | Not enough data | Not enough data | 
| **AI Copilot** | Not enough data | Not enough data | 
| **Call Conferencing** | Not enough data | Not enough data | 
| **Reporting/Analytics** | Not enough data | Not enough data | 
| **File Sharing** | Not enough data | Not enough data | 
| **Two Way Audio & Video** | Not enough data | Not enough data | 
| **Audio/Video Recording** | Not enough data | Not enough data | 
| **Real-Time Chat** | Not enough data | Not enough data | 
| **Audio Calls** | Not enough data | Not enough data | 

### UCaaS Platforms

| Product | Score | Reviews |
|---|---|---|
| **Cisco Unified Communications Manager (CallManager)** | N/A | N/A |
| **Grandstream IP Video Phones** | N/A | N/A |

#### Agentic AI - UCaaS Platforms

| Feature | Cisco Unified Communications Manager (CallManager) | Grandstream IP Video Phones | 
|---|---|---|
| **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 | 
| **Third-Party Integrations** | Not enough data | Not enough data | 

#### Extensions

| Feature | Cisco Unified Communications Manager (CallManager) | Grandstream IP Video Phones | 
|---|---|---|
| **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) | Grandstream IP Video Phones | 
|---|---|---|
| **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 | 
| **Electronic Faxes** | Not enough data | Not enough data | 
| **IVR** | Not enough data | Not enough data | 
| **Video Call Recording** | Not enough data | Not enough data | 
| **Customizable Reports** | Not enough data | Not enough data | 
| **Real-Time Reporting** | Not enough data | Not enough data | 
| **Meeting Management** | Not enough data | Not enough data | 
| **Screen Sharing** | Not enough data | Not enough data | 
| **Two-Way Audio & Video** | Not enough data | Not enough data | 
| **Virtual Voicemail** | Not enough data | Not enough data | 

#### Additional Functionality

| Feature | Cisco Unified Communications Manager (CallManager) | Grandstream IP Video Phones | 
|---|---|---|
| **Trend Analysis** | Not enough data | Not enough data | 
| **Generative AI** | Not enough data | Not enough data | 
| **Voice Mail** | Not enough data | Not enough data | 
| **SSL Security** | Not enough data | Not enough data | 
| **Caller ID** | Not enough data | Not enough data | 
| **Multi-Channel Communication** | Not enough data | Not enough data | 
| **Activity Tracking** | Not enough data | Not enough data | 
| **Interaction Tracking** | Not enough data | Not enough data | 
| **Alerts/Notifications** | Not enough data | Not enough data | 
| **Virtual Backgrounds** | Not enough data | Not enough data | 
| **Mobile Access** | Not enough data | Not enough data | 
| **Contact Management** | Not enough data | Not enough data | 
| **Call Center Management** | Not enough data | Not enough data | 
| **Access Controls/Permissions** | Not enough data | Not enough data | 
| **Call Tracking** | Not enough data | Not enough data | 
| **Call Transfer** | Not enough data | Not enough data | 
| **Group Messaging** | Not enough data | Not enough data | 
| **Call Recording** | Not enough data | Not enough data | 
| **AI Copilot** | Not enough data | Not enough data | 
| **Call Monitoring** | Not enough data | Not enough data | 
| **Task Management** | Not enough data | Not enough data | 
| **SMS Messaging** | Not enough data | Not enough data | 
| **Reporting & Statistics** | Not enough data | Not enough data | 
| **Activity Dashboard** | Not enough data | Not enough data | 
| **Call Routing** | Not enough data | Not enough data | 
| **Multi-User Collaboration** | Not enough data | Not enough data | 
| **Single Sign On** | Not enough data | Not enough data | 
| **Chat/Messaging** | 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) | Grandstream IP Video Phones | 
|---|---|---|
| **Small-Business** | 6.7% | 38.5% | 
| **Mid-Market** | 50.0% | 46.2% | 
| **Enterprise** | 43.3% | 15.4% | 

### 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%

#### Grandstream IP Video Phones

- **Telecommunications:** 30.8%
- **Information Technology and Services:** 15.4%
- **Program Development:** 7.7%
- **Online Media:** 7.7%
- **Non-Profit Organization Management:** 7.7%
- **Market Research:** 7.7%
- **Machinery:** 7.7%
- **Higher Education:** 7.7%
- **Computer & Network Security:** 7.7%

---
## Alternatives

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

- [Genesys Cloud CX](https://www.g2.com/products/genesys-cloud-cx/reviews) — 4.4/5 stars (1558 reviews)
- [RingEX](https://www.g2.com/products/ringex/reviews) — 4.2/5 stars (1424 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)
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- [Dialpad Connect](https://www.g2.com/products/dialpad-connect/reviews) — 4.4/5 stars (4201 reviews)

### Alternatives to Grandstream IP Video Phones

- [3CX](https://www.g2.com/products/3cx/reviews) — 4.4/5 stars (547 reviews)
- [GoTo Connect](https://www.g2.com/products/goto-connect/reviews) — 4.4/5 stars (1415 reviews)
- [Dialpad Connect](https://www.g2.com/products/dialpad-connect/reviews) — 4.4/5 stars (4201 reviews)
- [Webex Calling](https://www.g2.com/products/webex-calling/reviews) — 4.5/5 stars (635 reviews)
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- [8x8 Work](https://www.g2.com/products/8x8-work/reviews) — 4.2/5 stars (932 reviews)
- [Genesys Cloud CX](https://www.g2.com/products/genesys-cloud-cx/reviews) — 4.4/5 stars (1558 reviews)
- [Webex Suite](https://www.g2.com/products/cisco-webex-suite/reviews) — 4.2/5 stars (18922 reviews)
- [Zoom Phone](https://www.g2.com/products/zoom-zoom-phone/reviews) — 4.6/5 stars (2671 reviews)

---
## Top Discussions

### Cisco Unified Communications Manager (CallManager)

No discussions available for this product.

### Grandstream IP Video Phones

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-grandstream-ip-video-phones)