---
title: "Cisco 78XX - Comparison Document"
slug: "cisco-78xx-comparison-document"
tags: ["calltower", "public"]
updated: 2026-09-18T13:38:27Z
published: 2026-09-18T13:38:27Z
canonical: "learn.calltower.com/cisco-78xx-comparison-document"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://learn.calltower.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Cisco 78XX - Comparison Document

| [Cisco IP Phone 7811](https://www.cisco.com/c/en/us/products/collaboration-endpoints/ip-phone-7811/index.html) | [Cisco IP Phone 7821](https://www.cisco.com/c/en/us/products/collaboration-endpoints/unified-ip-phone-7821/index.html) | [Cisco IP Phone 7832](https://www.cisco.com/c/en/us/products/collaboration-endpoints/ip-conference-phone-7832/index.html) | [Cisco IP Phone 7841](https://www.cisco.com/c/en/us/products/collaboration-endpoints/unified-ip-phone-7841/index.html) | [Cisco IP Phone 7861](https://www.cisco.com/c/en/us/products/collaboration-endpoints/unified-ip-phone-7861/index.html) |
| --- | --- | --- | --- | --- |
| **Use Case** \| This single-line model is ideal for occasional-to-light communications needs, such as in lobbies, cafeterias, and conference centers. \| This 2-line model is ideal for information workers and teleworkers who have light-to-moderate voice communications needs. \| This conference phone is ideal for is ideal for your small conference rooms and private office desktops. \| This 4-line model is well suited for knowledge workers, administrative staff, managers, customer care agents, and supervisors who have moderate-to-active voice communications needs. \| This 16-line model is is an ideal phone to meet the active communications needs of managers, administrative staff, customer care agents, and supervisors. \| \| --- \| --- \| --- \| --- \| --- \| |
| This single-line model is ideal for occasional-to-light communications needs, such as in lobbies, cafeterias, and conference centers. | This 2-line model is ideal for information workers and teleworkers who have light-to-moderate voice communications needs. | This conference phone is ideal for is ideal for your small conference rooms and private office desktops. | This 4-line model is well suited for knowledge workers, administrative staff, managers, customer care agents, and supervisors who have moderate-to-active voice communications needs. | This 16-line model is is an ideal phone to meet the active communications needs of managers, administrative staff, customer care agents, and supervisors. |
| **Features** \| Screen 384 x 106 pixel **(3.28 in. / 83.3 mm)** \| Screen 396 x 162 pixel **(3.5 in. / 89 mm)** \| Screen 384 x 128 pixel **(3.4 in. / 86.4 mm)** \| Screen 396 x 162 pixel **(3.5 in. / 89 mm)** \| Screen 396 x 162 pixel **(3.5 in. / 89 mm)** \| \| --- \| --- \| --- \| --- \| --- \| \| Ethernet switch **10/100** \| Ethernet switch **10/100** \| Ethernet switch **N/A** **(10/100 Network Port only)** \| Ethernet switch **10/100/1000** \| Ethernet switch **10/100** \| \| Full duplex speakerphone **Yes (narrowband****)** \| Full duplex speakerphone **Yes** \| Full duplex speakerphone **Yes** \| Full duplex speakerphone **Yes** \| Full duplex speakerphone **Yes** \| \| Wideband Audio - **Optional, with purchase of wideband headset** \| Wideband Audio **-** **Yes** \| Wideband Audio **-** **Yes** \| Wideband Audio **-** **Yes** \| Wideband Audio **-** **Yes** \| \| Power over Ethernet - **Class** **1** \| Power over Ethernet - **Class** **1** \| Power over Ethernet - **Class 2** \| Power over Ethernet - **Class** **1** \| Power over Ethernet - **Class** **1** \| \| Replaceable bezel **N/A** \| Replaceable bezel **Yes** \| Replaceable bezel **Yes** \| Replaceable bezel **N/A** \| Replaceable bezel **Yes** \| \| Programmable (line) **1** \| Programmable (line) **2** \| Programmable (line) **0** \| Programmable (line) **4** \| Programmable (line) **16** \| \| Soft Keys **4** \| Soft Keys **4** \| Soft Keys **4** \| Soft Keys **4** \| Soft Keys **4** \| \| Wall-mountable **Yes** \| Wall-mountable **Yes** \| Wall-mountable **N/A** \| Wall-mountable **Yes** \| Wall-mountable **Yes** \| |
| Screen 384 x 106 pixel **(3.28 in. / 83.3 mm)** | Screen 396 x 162 pixel **(3.5 in. / 89 mm)** | Screen 384 x 128 pixel **(3.4 in. / 86.4 mm)** | Screen 396 x 162 pixel **(3.5 in. / 89 mm)** | Screen 396 x 162 pixel **(3.5 in. / 89 mm)** |
| Ethernet switch **10/100** | Ethernet switch **10/100** | Ethernet switch **N/A** **(10/100 Network Port only)** | Ethernet switch **10/100/1000** | Ethernet switch **10/100** |
| Full duplex speakerphone **Yes (narrowband****)** | Full duplex speakerphone **Yes** | Full duplex speakerphone **Yes** | Full duplex speakerphone **Yes** | Full duplex speakerphone **Yes** |
| Wideband Audio - **Optional, with purchase of wideband headset** | Wideband Audio **-** **Yes** | Wideband Audio **-** **Yes** | Wideband Audio **-** **Yes** | Wideband Audio **-** **Yes** |
| Power over Ethernet - **Class** **1** | Power over Ethernet - **Class** **1** | Power over Ethernet - **Class 2** | Power over Ethernet - **Class** **1** | Power over Ethernet - **Class** **1** |
| Replaceable bezel **N/A** | Replaceable bezel **Yes** | Replaceable bezel **Yes** | Replaceable bezel **N/A** | Replaceable bezel **Yes** |
| Programmable (line) **1** | Programmable (line) **2** | Programmable (line) **0** | Programmable (line) **4** | Programmable (line) **16** |
| Soft Keys **4** | Soft Keys **4** | Soft Keys **4** | Soft Keys **4** | Soft Keys **4** |
| Wall-mountable **Yes** | Wall-mountable **Yes** | Wall-mountable **N/A** | Wall-mountable **Yes** | Wall-mountable **Yes** |