5 8
8 Review(s)
Model: CP-7942G Cisco 7900 Unified IP Phone
Detail: Cisco Unified IP Phone 7942 Cisco 7900 Unified IP Phone
Replacement: CP-7841-K9
List Price: US$455.00
Price: $277.10
You save: US$177.90 (39% OFF)
Condition: Brand New Sealed
Availability: In stock
Express Shipping to Ashburn, VA, United States
2-6 Days, via DHL, FedEx, EMS, etc. ?
If you finish the payment today,
your order will arrive within the
estimated delivery time.
US$ 277.10 In stock Brand New Sealed

CP-7942G SMARTnet Service Tool

Order Cisco SMARTnet Warranty? Fast Quote Now

Ask Our Experts

Live Chat | Email

  • +1-626-239-8066 (USA)
  • +852-3174-6166 (HK)
  • +852-3050-1066 (Fax)
Get Quotes up to
2x Faster
Project Inquiry

Overview (CP-7942G)

CP-7942G is the Cisco Unified IP Phone 7942 Cisco 7900 Unified IP Phone.

Quick Specs

Table 1 shows the Quick Spec.

Product Code



5-inch (12.5 cm), high-resolution (320 x 222), graphical monochrome 4-bit grayscale display.

Ethernet Switch


Codec Support

G.711a, G.711µ, G.729a, G.729ab, G.722, and iLBC audio compression codecs are supported.

Dimensions (H x W x D)

8.2 x 10.5 x 6 in. (20.32 x 26.67 x 15.24 cm)


3.5 lb (1.6 kg)

Package Weight

5.2 lb (2.36 Kg)

Product Details

Figure 1 shows the Close-Up of Display and Lighted Line Keys.

CP-7842G Close-Up of Display and Lighted Line Keys

Figure 2 shows the back view.

CP-7942G Back View

Get more information

Do you have any question about the CP-7942G?

Contact us now via Live Chat or sales@router-switch.com.


Specification (CP-7942G)

CP-7942G Specification

Dimensions (H x W x D)

8.2 x 10.5 x 6 in. (20.32 x 26.67 x 15.24 cm)


3.5 lb (1.6 kg)

Package Weight

5.2 lb (2.36 Kg)

Phone-Casing Composition

Acrylonitrile butadiene styrene (ABS) plastic in textured dark gray color with silver bezel


Supports IEEE 802.3af PoE (Class 2).

Also supports Cisco Prestandard Power over Ethernet (PoE), allowing powering from any

of the Cisco Inline Power-capable blades and boxes, plus Cisco midspan. 48VDC is required;

it can be supplied locally at the desktop using an optional AC-to-DC power supply (part number

CP-PWR-CUBE-3=) or power injector (CP-PWR-INJ=).

Local power options require a corresponding AC country cord.

Phone Software Requirements

Supported in 8.3(2) and greater

Call Control Compatibility

Supported in Cisco Unified Communications Manager Versions 4.1(3)sr5b,

4.2(3)sr2b, 4.3(1), 5.1.1(b), 5.1(2), 6.0(1) and greater;

Supported in Cisco Unified Communications Express and SRST Version 4.1

Signaling Protocols

Skinny Client Control Protocol (SCCP) and Session Initiation Protocol (SIP) with Cisco call control

Operating Temperature

32 to 104°F (0 to 40°C)

Relative Humidity

10 to 95% (noncondensing)

Storage Temperature

14 to 140°F (-10 to 60°C)


5-inch (12.5 cm), high-resolution (320 x 222), graphical monochrome 4-bit grayscale display.

Wideband Audio

Support for wideband (G.722 codec, adherence to TIA 920), including handset, headset, and

speakerphone (see Q&A for details).

Codec Support

G.711a, G.711µ, G.729a, G.729ab, G.722, and iLBC audio compression codecs are supported.


Full-duplex speakerphone with acoustic echo cancellation.

Messages Key

Provides direct access to voicemail.

Quality of Service (QoS) Options

Supports differentiated services code point (DSCP) and 802.1Q/p standards.


Positive device identity through X.509v3 Certificates, digitally signed images, cryptographically

secure provisioning, and secure signaling and secure media with AES-128. Cryptography is

not enabled by default and may only be enabled through a cryptographically enabled CUCM.

The phone also contains an 802.1X supplicant and supports EAPOL pass-through.

Language Support

Built-in support for more than 30 languages (dependent on Cisco Unified Communications Manager version).

Configuration Options

IP address assignment can be statically configured or configured through the DHCP client.

Shipping & Payment


Cargo will be delivered within 1 day after payment arrived. Tracking Number will be offered once delivery done.

Delivery OptionsEstimated Delivery Time
DHL 2-4 business days
Fedex 2-4 business days
Hong Kong EMS 5-10 business days
Hong Kong Air Parcel 10-20 business days
By Sea 10-20 business days


Above mentioned information are just for your reference only,we will keep you posted for the tracking delivery schedule.There are two delivery options available for by air and by sea:

Deliver to port:

Router-switch.com is responsible for transporting goods to port. All subsequent customs and transportation fees are the
responsibility of the buyer. Router-switch will recommend trustworthy local freight forwarders to you.Router-switch.com can facilitate the progress under buyer's permission and at buyer's expense.

Deliver to door:

Router-switch.com will quote all destination charge prior once we have confirmed order.
Router-switch.com is responsible for transporting goods to door after you have made the payment.

Payment Methods

Paypal Master Card Visa
Discover American
Wire Transfer eCheck WestUnion


100% Low Price Guarantee:

Router-switch.com provides high-quality products at low wholesale prices

100% Quality Assurance:

All items are ORIGINAL and GENUINE only.
Item conditions are "New Sealed" or "Used / Refurbished".
Used & refurbished items are fully tested with good conditions by Cisco-certified Engineers.

Free CCIE Technical Support:

Our FREE Cisco CCIE Expert Consultancy Support is over the phone, by chat, by email or by login remotely.

100% Money Back Guarantee:

You can contact our customer service team to exchange or return any product that you bought from us.

Flexible Secure Payment & Shipment:

Verified authorization: Mcafee Secure, VeriSign Secured

Return Material Authorization (RMA) Process

Standard Hardware Warranty Policy:

Original new sealed Cisco product: 1 Year
Used Cisco product: 3 Month

The Support Contacts:

If your Cisco products failed, you must contact your sales representative to verify product failure. If the problem still can't correct by remote support methods i.e. email or phone support, the RMA procedure will issue.


Customer Reviews

5 5
5 (8 reviews)
5 Stars
4 Stars
3 Stars
2 Stars
1 Stars

Share your thoughts with other customers?

Posted on 10/21/2016
Verified Buyer
A good ip phone

Got it. It is easy to use.

Posted on 7/18/2016
Verified Buyer

I've asked their sales team how to configure this IP Phone. They gave me good suggestions. By the way, they also quoted a good price.

Posted on 5/16/2016
Verified Buyer
Great seller, fast shipping

Can't beat the price for these phones, they worked perfectly with our system. Great seller, fast shipping.

Posted on 4/28/2016
Verified Buyer

this Cisco IP Phone is what we want. full-featured, it is a Cisco proprietary phone that uses the Skinny Client Control Protocol (SCCP) for terminal control by a Cisco phone Switch.

Posted on 3/11/2016
Verified Buyer
CP-7942G- to CP-7841-K9=

both CP-7841-K9= and CP-8811-K9= are the better options for you. CP-7942G was eol now.

Posted on 11/3/2015
Verified Buyer

This is a very nice upgrade from the 7921 phone. The sound quality is better and the buttons have a better tactile feel.

Posted on 4/10/2014
Verified Buyer
The phone worked well.Was exactly what I wanted.

Product shipped as promised and arrived early. The phone worked well.Was exactly what I wanted. Would definitely order again.

Posted on 3/18/2014
Verified Buyer
CP-7942G IP Phone

CP-7942G is very nice upgrade. I have bought four of these for work because the need of good speaker capability.The sound quality is better and fantastic. and also great price for the phone.

You may also be interested in the following product(s)

Register now to get updates on promotions and coupons

We’ll never share your email address with a third-party.

Router-switch.com is neither a partner of nor an affiliate of Cisco Systems. Logos remain the property of the corresponding company.
Copyright @ 2002-2017 Router-switch Ltd. | HongKong Yejian Technologies Co., Ltd | All Rights Reserved.