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# Cisco Unified Communications Manager (CallManager) vs Grandstream IP Video Phones Comparison - What are their main differences?

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CiscoGrandstream IP Video Phones[+ Add Product](#)

Reviews

**Cisco Unified Communications Manager (CallManager)**[

4.4/5(111)

](https://www.g2.com/products/cisco-unified-communications-manager-callmanager/reviews#reviews)

**Grandstream IP Video Phones** [

4.1/5(13)

](https://www.g2.com/products/grandstream-ip-video-phones/reviews#reviews)

Pricing

**Cisco Unified Communications Manager (CallManager)**
No pricing available

**Grandstream IP Video Phones**
No pricing available

**Pricing Insights**
from reviews

Time to Implement

**Cisco Unified Communications Manager (CallManager)**
5 months

Based on 20 responses

**Grandstream IP Video Phones**
Not enough reviews yet

Return on Investment

**Cisco Unified Communications Manager (CallManager)**
28 months

Based on 15 responses

**Grandstream IP Video Phones**
Not enough reviews yet

Perceived Cost

**Cisco Unified Communications Manager (CallManager)**
$$$$$

**Grandstream IP Video Phones**
Not enough reviews yet

Average Discount

**Cisco Unified Communications Manager (CallManager)**
26%

**Grandstream IP Video Phones**
Not enough reviews yet

 ![Cisco Unified Communications Manager (CallManager)](https://images.g2crowd.com/uploads/product/hd_favicon/1487565588/cisco-unified-communications-manager-callmanager.svg "Cisco Unified Communications Manager (CallManager)")

 ![Grandstream IP Video Phones](https://images.g2crowd.com/uploads/product/image/thumb_square/thumb_square_3305779706c4f57b3c428bdb8d0b4e5c/grandstream-ip-video-phones.png "Grandstream IP Video Phones")

G2 offers free advice on this comparison.

Chat with an expert

How do we contact you?

 ![](/assets/advisor_router/text_message-df41c2977e57ce19bdccb768c56510d9fa9182b581f7903660ca57fd8634bf09.svg)Text Message

 ![](/assets/advisor_router/phone_call-c9171db19e0526ecaea5fcbe1122f2ba459d8ab314c830a23440e5a1a536d62f.svg)Phone Call

Who do you want to talk with?

 ![](/assets/advisor_router/ai_agent-4d78629a3ba354fed449a65c60df3a6f2eda90fb98411b711df4b25d7be52a38.svg)AI Agent

 ![](/assets/advisor_router/human-26a980d7eed0089d422337af1b2588329a59f3fec5a0eff6d1b43312553d4c7b.svg)Human

Pros & Cons

**Cisco Unified Communications Manager (CallManager)**
[
Reliability (3)
](https://www.g2.com/products/cisco-unified-communications-manager-callmanager/reviews?filters%5Bsentiment_snippet%5D=1332538&qs=pros-and-cons#reviews)[
Video Conferencing (3)
](https://www.g2.com/products/cisco-unified-communications-manager-callmanager/reviews?filters%5Bsentiment_snippet%5D=1332935&qs=pros-and-cons#reviews)[
Complex Processes (2)
](https://www.g2.com/products/cisco-unified-communications-manager-callmanager/reviews?filters%5Bsentiment_snippet%5D=1332338&qs=pros-and-cons#reviews)[
Billing Issues (1)
](https://www.g2.com/products/cisco-unified-communications-manager-callmanager/reviews?filters%5Bsentiment_snippet%5D=1333203&qs=pros-and-cons#reviews)

**Grandstream IP Video Phones**
Not enough data

Ratings

Meets Requirements

**Cisco Unified Communications Manager (CallManager)**

9.1

9.191

**Grandstream IP Video Phones**

8.8

8.87

Ease of Use

**Cisco Unified Communications Manager (CallManager)**

8.1

8.192

**Grandstream IP Video Phones**

9.1

9.19

Ease of Setup

**Cisco Unified Communications Manager (CallManager)**

6.9

6.952

**Grandstream IP Video Phones**

7.6

7.67

Ease of Admin

**Cisco Unified Communications Manager (CallManager)**

8.0

8.054

**Grandstream IP Video Phones**
Not enough data

Quality of Support

**Cisco Unified Communications Manager (CallManager)**

8.6

8.687

**Grandstream IP Video Phones**

8.1

8.16

Has the product been a good partner in doing business?

**Cisco Unified Communications Manager (CallManager)**

8.7

8.753

**Grandstream IP Video Phones**
Not enough data

Product Direction (% positive)

**Cisco Unified Communications Manager (CallManager)**

8.4

8.490

**Grandstream IP Video Phones**

8.3

8.37

Features

VoIP Providers[Hide 93 FeaturesShow 93 Features](javascript:void(0);)

8.6

46

9.3

5

Platform Basics - VoIP Providers

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

Phone Calls

9.8(won by 0.5)

41

|

Verified

 (There is a greater than 0.5 difference between this product's rating and its competitors)

9.3

5

Video Calls

8.7(won by default)

29

|

Verified

Not enough data

Instant Messaging

8.2(won by default)

34

|

Verified

Not enough data

Screen Sharing

7.7(won by default)

8

Not enough data

Conference Calls

9.4(won by default)

38

|

Verified

Not enough data

Desk-to-Desk Calls

9.8(won by default)

39

|

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

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

Software Pairing

7.9(won by default)

29

Not enough data

Browser Extension

7.6(won by default)

27

Not enough data

Individual Download

7.3(won by default)

25

|

Verified

Not enough data

Advanced Features

Hold Music

9.1(won by default)

33

|

Verified

Not enough data

Automated Attendants

8.6(won by default)

35

|

Verified

Not enough data

VOiP Number

9.1(won by default)

9

Not enough data

Additional Functionality

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

Show 3 feature categories with incomplete data

Collaboration & Productivity[Hide 45 FeaturesShow 45 Features](javascript:void(0);)

Not enough data

Not enough data

Additional Functionality

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

Audio Conferencing[Hide 17 FeaturesShow 17 Features](javascript:void(0);)

Not enough data

Not enough data

Agentic AI - Audio Conferencing

Proactive Assistance

Not enough data

Not enough data

Decision Making

Not enough data

Not enough data

Additional Functionality

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[Hide 51 FeaturesShow 51 Features](javascript:void(0);)

Not enough data

Not enough data

Agentic AI - UCaaS Platforms

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

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

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

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

User Insights

Reviewers' Company Size

[![Cisco Unified Communications Manager (CallManager)](https://images.g2crowd.com/uploads/product/hd_favicon/1487565588/cisco-unified-communications-manager-callmanager.svg "Cisco Unified Communications Manager (CallManager)")](https://www.g2.com/products/cisco-unified-communications-manager-callmanager/reviews)

Cisco Unified Communications Manager (CallManager)

Small-Business(50 or fewer emp.)

6.7%

Mid-Market(51-1000 emp.)

50.0%

Enterprise(\> 1000 emp.)

43.3%

[![Grandstream IP Video Phones](https://images.g2crowd.com/uploads/product/image/thumb_square/thumb_square_3305779706c4f57b3c428bdb8d0b4e5c/grandstream-ip-video-phones.png "Grandstream IP Video Phones")](https://www.g2.com/products/grandstream-ip-video-phones/reviews)

Grandstream IP Video Phones

Small-Business(50 or fewer emp.)

38.5%

Mid-Market(51-1000 emp.)

46.2%

Enterprise(\> 1000 emp.)

15.4%

Small-Business

(50 or fewer emp.)

6.7%

38.5%

Mid-Market

(51-1000 emp.)

50.0%

46.2%

Enterprise

(\> 1000 emp.)

43.3%

15.4%

Reviewers' Industry

[![Cisco Unified Communications Manager (CallManager)](https://images.g2crowd.com/uploads/product/hd_favicon/1487565588/cisco-unified-communications-manager-callmanager.svg "Cisco Unified Communications Manager (CallManager)")](https://www.g2.com/products/cisco-unified-communications-manager-callmanager/reviews)
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%

Other

53.8%

[![Grandstream IP Video Phones](https://images.g2crowd.com/uploads/product/image/thumb_square/thumb_square_3305779706c4f57b3c428bdb8d0b4e5c/grandstream-ip-video-phones.png "Grandstream IP Video Phones")](https://www.g2.com/products/grandstream-ip-video-phones/reviews)
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%

Other

30.8%

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[
Vonage Business Communications
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**Grandstream IP Video Phones Alternatives**

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

- Reviewers felt that Cisco Unified Communications Manager (CallManager) meets the needs of their business better than Grandstream IP Video Phones.
- When comparing quality of ongoing product support, reviewers felt that Cisco Unified Communications Manager (CallManager) is the preferred option.
- For feature updates and roadmaps, our reviewers preferred the direction of Cisco Unified Communications Manager (CallManager) over Grandstream IP Video Phones.