CISCO 8841/8851/8861 IP PHONES

These three models are combined into a single section primarily because they look nearly identical. In terms of what is visible from the figures included herein, there is little visible difference, if any, from a frontal view.


In fact, the only real difference in appearance from the 8811 is the monochrome display, whereas these three models have color displays. For that reason alone, front-view pictures of all three models are not included as has been the case up to this point. They do have significant feature variation, however. But, first, let’s focus on what they have in common.


The figure below shows an 8841 phone.



All three models include a 5-inch high-resolution (800x480) Wide Video Graphics Array (WVGA) color display. None of these, however, are touchscreen displays. The phones have a 10/100/1000 integrated switch and are SIP devices.


Again, there is no SCCP support in any of the 8800 series models. Each model has 5 line keys (multiple calls per line key), 4 programmable soft keys (context sensitive), a five-way navigation pad, and 12 fixed function keys (Messaging, Directory, Services, Volume, Hold/Resume, Transfer, Conference, Mute, Speakerphone, Headset, End Call, and Return [for backing up one menu level in the phone’s menu structure]).



All the phones support 802.11af/at PoE and Cisco EnergyWise. The similarities come to a somewhat abrupt end there. The 8841 is a Class 2 PoE device, the 8851 is a Class 3 PoE device, and the 8861 is a Class 4 PoE device. The reasons for the differences in power draw are due to newly introduced features and ports on the phone itself.


The figure below shows a rear view of the 8841 phone. This is primarily for reference to illustrate the differences discussed momentarily.



These phones come in either charcoal or white color options. The figure shows the white phone model primarily because the contrast makes the port differences more evident. In the figure shown above, visible ports include, from left to right, power, network, switch port, AUX, headset, and handset. Also note that there are no ports along the left outer edge of the phone.


The 8851 and 8861 have added Bluetooth functionality in support of a feature known as Intelligent Proximity. Intelligent Proximity for desk phones allows the pairing of the phone to a smartphone. This allows the same functionality at the desk phone as one might see in a modern car with Bluetooth functionality. It will synchronize contacts and call history and provide voice/video connectivity.


When the smartphone rings, the desk phone rings along with it and provides answer options. A call in progress can be moved back and forth from the desk phone to the smartphone by selecting a different audio source on the smartphone when a call is in progress. This allows the use of the superior acoustical resources of the desk phone over that of the smartphone.






The 8831 is purpose built for conference rooms. It consists of a base speaker unit, a wired control panel with dial pad, and up to two microphones. These microphones are available in both wired and wireless configurations. The wireless microphones are rechargeable and come with the charging base.


Two 8831 speakers can be daisy-chained together to reach across a large conference table. This avoids the age-old problem of a large table with two conference phones dialed into a meeting. In such meetings, the coordination of muting/ unmuting each phone as participants with to speak becomes cumbersome, at best.


With the 8831, a single phone can provide 360-degree coverage in the largest conference room. When daisy-chaining speakers, wired microphones must be used. The figure below shows the 8831 phone.



The 8831 is a full-duplex, wideband audio speakerphone. As with the other models in this series, it is a SIP device. It has a 10/100 Ethernet port for connectivity and is classified as a Class 3 PoE device. The 396x162-pixel monochrome display is white backlit.


The control panel with dial pad has four programmable soft keys and one line key. It also contains fixed feature keys for Volume Control, Mute, Speaker On/Off, and a navigation pad. The base station speaker and microphones each include a mute button as well.







The 8811 phone is the entry-level model of the line, but it does not necessarily have the limitations one might assume in an entry-level handset. This phone does have support for headset integration (RJ-9 and AUX ports) and is equipped with a Gigabit Ethernet port/ integrated switch. It is a Class 2 PoE device, supporting 802.11af/at power along with Cisco EnergyWise. It also has an integrated Secure Sockets Layer (SSL) virtual private network (VPN) client. This makes it ideal for both knowledge workers and teleworkers alike.


The 8811 is the only model featuring a monochrome display. The display is a 5-inch 800x480 monochrome display with white backlighting. The figure below shows the 8811 phone.



As shown in the figure, the phone combines soft keys and fixed function keys to keep the most commonly used features at your fingertips. This phone includes 5 line keys (multiple calls per line key), 4 programmable soft keys (context sensitive), a five-way navigation pad, and 12 fixed function keys (Messaging, Directory, Services, Volume, Hold/Resume, Transfer, Conference, Mute, Speakerphone, Headset, End Call, and Return [or backing up one menu level in the phone’s menu structure]).









The 8800 series is the latest addition to the portfolio. As has been the recurring theme with Cisco’s newer series phones, these handsets all use SIP exclusively. They do not support SCCP. Cisco has introduced some interesting new features in this line.


These phones are a new design, from the bottom up, while maintaining a look and feel reminiscent of its predecessors. The lines are sleeker, yet very obviously influenced by the iconic 7900 series phones. They were built with a focus on providing a highly intuitive user experience.


Each has been hardware enhanced for high-quality wideband voice and increased echo-cancellation capabilities. In addition, vibration-isolation techniques have been employed on the speakers and microphones to ensure an optimal communication experience.


The 8800 series phones include both audio-only and video-capable models. For video communications with the audio-only models, the Jabber client on the user desktop can be used for video, while the desk phone itself handles the audio. That said, nearly any Cisco IP Phone can be video enabled in this manner.


There are seven phone models in the line, six desktop handset models and one conference room phone model. The series includes the 8811, 8831, 8841, 8851, 8861, 8845, and 8865 phones.






7945G/7965G/7975G IP PHONES



The 7945G, 7965G, and 7975G add to the functionality of the 7942G and 7962G by providing 16-bit color, backlit screens, and Gigabit Ethernet capabilities. As such, these phones require additional power, bumping the power need up to Class 3 compared to the 7942G and 7962G models.


To mitigate some portion of the increased power draw, these phones have a Display button placed to the right of, and in line with, the row of programmable soft keys running along the bottom of the screen. These phones can be configured with screen timeout values. When the phone is idle for an extended period of time, the screen blanks out to reduce power usage. When this happens, the display button illuminates (green).


When the phone rings, or is taken off hook, the screen automatically wakes. Pressing the Display button manually wakes it. The 7945G and 7965G were developed with a similar form factor to the 7942G and 7962G. Like their cousins, these phones support either SCCP or SIP.


The figure below shows the 7945G model.



It is clear from the figure that the button layout is nearly identical with the exception of the center button. The 7945G has two programmable line buttons; the 7965G has six programmable line buttons.


Of course, those line buttons can be configured as lines, BLF, speed dial, intercom, or application keys. Whereas the 7942G and 7962G have an up/down navigation pad, the 7945G and 7965G have a four-way navigation pad with a Select button (signified by a check mark) in its center.


The figure below shows the 7965G model.



The 7975G IP Phone adds an additional dimension of functionality with touchscreen capabilities. The touchscreen display is larger than the displays on the 7945G and 7965G. In addition, the 7975G phone has eight programmable line buttons and five programmable soft key buttons. Due to those factors, the form factor on the 7975G is slightly larger than the 7945G and 7965G. The figure below shows the 7975G phone.



With the addition of color and backlighting to the 7965G and 7975G phones comes color and backlighting of the expansion module. The 7916 expansion module attaches to the right side of the phone. Up to two of these modules can be attached to a single phone. The 7915 is also supported for use with the 7965G and 7975G.


The figure below shows the 7916 expansion module.





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