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Cordless Internet Telephony Kit (iPhone®) (CIT400)
• Hands-free Speakerphone with one key touch
• 120 hours standby time and 10 hours talk time
• Expandable up to four handsets with a single base station
• 2-in-1 Cordless DECT telephone for Skype and standard telephone lines
Support Sections
Guide Me provides step-by-step solutions and troubleshooting tips. FAQs are frequently asked product questions. Select Downloads for user guides and firmware updates.
- Overview
- Guide Me
- FAQs
- Product Information
- Getting to Know the CIT400
- Setting up your phone
- Setting-Up the Cordless Internet Telephony Kit
- Advanced Troubleshooting
- Encountering Problems when Unable to Hear Sounds from PC Speakers While the USB Base Station is Plugged into the PC
- Encountering Bad Audio Quality when Using the Cordless Internet Telephony Kit
- Encountering Busy Tone when Using the Cordless Internet Telephony Kit
- Encountering Difficulties Getting a Dial Tone when Pressing the Talk & Recall Button on the Cordless Internet Telephony Kit
- Encountering Difficulties Making a Call to a Regular Phone Number Using the Cordless Internet Telephony Kit
- Encountering Difficulties when the Screen Display Doesn’t Appear After Powering On the Cordless Internet Telephony Kit
- Encountering Flashing Base/Handset Icon on the Cordless Internet Telephony Kit
- Encountering Problems with Clarity and Volume when Using the Cordless Internet Telephony Kit
- Product Information
- Getting to Know the CIT400
- Setting up your phone
- Setting-Up the Cordless Internet Telephony Kit
- Advanced Troubleshooting
- Encountering Problems when Unable to Hear Sounds from PC Speakers While the USB Base Station is Plugged into the PC
- Encountering Bad Audio Quality when Using the Cordless Internet Telephony Kit
- Encountering Busy Tone when Using the Cordless Internet Telephony Kit
- Encountering Difficulties Getting a Dial Tone when Pressing the Talk & Recall Button on the Cordless Internet Telephony Kit
- Encountering Difficulties Making a Call to a Regular Phone Number Using the Cordless Internet Telephony Kit
- Encountering Difficulties when the Screen Display Doesn’t Appear After Powering On the Cordless Internet Telephony Kit
- Encountering Flashing Base/Handset Icon on the Cordless Internet Telephony Kit
- Encountering Problems with Clarity and Volume when Using the Cordless Internet Telephony Kit
- Forums
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QoS - Upstream Bandwidth
1. It helps a lot if you post the router you use. Different models have different settings.2. Generally, it's correct what...
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CIT400 handset registration failure
The "Page" button on the base must be held pressed for 20 seconds to register a handset. This info is from Linksys...
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CIT400 connections
The CIT400 needs one (or two) connection(s) to work:An ethernet connection which ultimately gets its own IP address...
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CIT400 configuration
There is a difference between Skype on the PC and the CIT400 when one uses a satellite link with low upld speed (approx...
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WIP320 Silent Mode Bugs
Well, if you, like me, happened to notice a new icon on your WIP320 screen (a crossed music keynote) you might start to...
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CIT400 Freezes
I fixed my phone. 1 day online until know. This is what i did. I use 220 V, so i had to use an adaptor since the phone comes...
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CIT400 Linksys Phone Does Not Sign In With Time Capsule
SIP uses 5060 - 5061,but it depends on what was set on your phone connection and router.some are listed herehttp://www.packetizer.com/in/q119.html I...
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Wired and Wireless - Adding a Second Router
The settings on your wired router should remain the same. All you need to configure is the wireless router. To configure...
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E4200 Static IP Issues
Haha! Oh man! Late nights just aren't good. I realized my error in the morning. I had previous used the Advanced Routing...
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Cannot renew ip address
Un-install the adapter software/linksys monitor and install only the drivers... Remove the Linksys Adapter and un-install...
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Having Trouble With My MTU Settings
Follow this, It will surely work...Open an Internet Explorer browser page.In the address bar type - 192.168.1.1Leave username...
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VPN attack detected in VPN Log
Yes, we have a VPN tunnel to another RV082 but it is disabled. Could this be the problem Thanks Oliver
- Downloads
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Step 1:
Flip the device over.Step 2:
You should find the model number on the sticker underneath the device. Please see the example.Step 3:
Take note of the exact model number and version of your product. The serial number is located right underneath the model number. In this example, the model number of the device is M20.NOTE: The images may vary depending on the exact model number of your Linksys Product. If there is no version number beside the model number it means that is version 1.
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E-Series
Step 1:
Look at the top of the device.Step 2:
The model number should be found under the CISCO logo.NOTE: The images may vary depending on the exact model number of your Linksys product. The serial number is located underneath the device. If there is no version number beside the model number, it means that it is a version 1.
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Blue and Black
Step 1:
Flip the device over.Step 2:
You should find the model number on the sticker underneath the device. Please see the example.Step 3:
Take note of the exact model number and version of your Linksys device. The serial number is located right underneath the model number. In this example, the model number of the device is WRT54G ver 6.NOTE: The images may vary depending on the exact model number of your Linksys Product. If there is no version number beside the model number it means that is version 1.
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Silver
Step 1:
Look at the side panel of the router when it is standing vertically.Step 2:
You should find the model number on the sticker. Please see the example.NOTE: The images may vary depending on the exact model number of your Linksys Product. If there is no version number beside the model number it means that is version 1.
Step 3:
Take note of the exact model number and version of your Linksys device. The serial number is located right underneath the model number. In this example, the model number is WRT54GX4.
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Wireless Routers with Voice Ports
Step 1:
Look at the side panel of the router when it is standing vertically.Step 2:
You should find the model number on the sticker. Please see the example.NOTE: The images may vary depending on the exact model number of your Linksys Product. If there is no version number beside the model number it means that is version 1.
Step 3:
Take note of the exact model number and version of your Linksys device. The serial number is located right underneath the model number. In this example, the model number is WRTP54G V.2.
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Wireless VPN Routers
Step 1:
Look at the side panel of the router when it is standing vertically.Step 2:
You should find the model number on the sticker. Please see the example.NOTE: The images may vary depending on the exact model number of your Linksys Product. If there is no version number beside the model number it means that is version 1.
Step 3:
Take note of the exact model number and version of your Linksys device. The serial number is located right underneath the model number. In this example, the model number is WRV54G.
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Blue and Black
Step 1:
Flip the device over.Step 2:
You should find the model number on the sticker underneath the device. Please see the example.Step 3:
Take note of the exact model number and version of your Linksys device. The serial number is located right underneath the model number. In this example, the model number of the device is BEFSR41 ver.4.1.NOTE: The images may vary depending on the exact model number of your Linksys Product. If there is no version number beside the model number it means that is version 1.
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PC Card or Card Bus
Step 1:
If your adapter is already connected to the computer, shut down your computer and remove the adapter.Step 2:
You should find the model number on the device itself. Please see the example.Step 3:
Take note of the exact model number and version of your Linksys device. The serial number is located right underneath the model number. In this example, the model number is WPC54G ver.7NOTE: The images may vary depending on the exact model number of your Linksys Product. If there is no version number beside the model number it means that is version 1.
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PCI Adapter
Step 1:
If your adapter is already connected to the computer, shut down your computer and remove the adapter.Step 2:
You should find the model number on the device itself. Please see the example.NOTE: The images may vary depending on the exact model number of your Linksys Product. If there is no version number beside the model number it means that is version 1.
Step 3:
Take note of the exact model number and version of your Linksys device. The serial number is located right underneath the model number. In this example, the model number is WMP54G ver.4.1.
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USB Wireless Adapter
Step 1:
Look for the sticker around the device.Step 2:
You should find the model number on the sticker. Please see the example.NOTE: The images may vary depending on the exact model number of your Linksys Product. If there is no version number beside the model number it means that is version 1.
Step 3:
Take note of the exact model number and version of your Linksys device. The serial number is located right underneath the model number. In this example, the model number is WUSB54G ver.4.
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PCI Adapters
Step 1:
If your adapter is already connected to the computer, shut down your computer and remove the adapter.Step 2:
You should find the model number on the device itself. Please take note of the exact model number and version. Please see the example.Step 3:
Take note of the exact model number and version of your Linksys device. The serial number is located right underneath the model number.NOTE: The images may vary depending on the exact model number of your Linksys Product. If there is no version number beside the model number it means that is version 1.
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SE Switches
Step 1:
Look at the top of the device.Step 2:
The model number should be found under the CISCO logo.Step 3:
Take note of the exact model number and version of your product. The serial number is located underneath the device. In this example, the model number of the device is SE1500.NOTE: The images may vary depending on the exact model number of your Linksys product. If there is no version number beside the model number, it means that it is a version 1.
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Step 1:
Flip the device over.Step 2:
You should find the model number on the sticker underneath the device. Please see the example.Step 3:
Take note of the exact model number and version of your Linksys device. The serial number is located right underneath the model number.
-
Step 1:
Flip the device over.Step 2:
You should find the model number on the sticker underneath the device. Please see the example.Step 3:
Take note of the exact model number and version of your Linksys device. The serial number is located right underneath the model number. In this example, the model number of the device is NMH410.NOTE: The images may vary depending on the exact model number of your Linksys Product. If there is no version number beside the model number it means that is version 1.
-
Step 1:
Flip the device over.Step 2:
You should find the model number on the sticker underneath the device. Please see the example.Step 3:
Take note of the exact model number and version of your Linksys device. The serial number is located right underneath the model number. In this example, the model number of the device is DMC250.NOTE: The images may vary depending on the exact model number of your Linksys Product. If there is no version number beside the model number it means that is version 1.
- Videos
- Live Chat
Guide Me
Get quick solutions and troubleshooting tips.
Hot Topics
Frequently asked questions
Frequently Asked Questions for various Operating Systems
Forums
Downloads
Please ensure you select the correct hardware version as not all downloads are compatible with your device.
Free Software notice for certain products, click here.
No firmware/driver download available
Guides and Information
How to find your model or serial number
To find model or serial numbers, choose your device below.
VALET HOTSPOTS
WIRELESS ROUTERS AND ACCESS POINTS
WIRED ROUTERS
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WIRED ADAPTERS
SWITCHES
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MEDIA HUB
WIRELESS HOME AUDIO
Forums
-
QoS - Upstream Bandwidth
1. It helps a lot if you post the router you use. Different models have different settings.2. Generally,...
-
CIT400 handset registration failure
The "Page" button on the base must be held pressed for 20 seconds to register a handset. This...
-
CIT400 connections
The CIT400 needs one (or two) connection(s) to work:An ethernet connection which ultimately gets...
Guide Me
Get quick solutions and troubleshooting tips.
Frequently asked questions
- Getting to Know the CIT400
- Setting-Up the Cordless Internet Telephony Kit
- Encountering Problems when Unable to Hear Sounds from PC Speakers While the USB Base Station is Plugged into the PC
- Encountering Bad Audio Quality when Using the Cordless Internet Telephony Kit
- Encountering Busy Tone when Using the Cordless Internet Telephony Kit
- Getting to Know the CIT400
- Setting-Up the Cordless Internet Telephony Kit
- Encountering Problems when Unable to Hear Sounds from PC Speakers While the USB Base Station is Plugged into the PC
- Encountering Bad Audio Quality when Using the Cordless Internet Telephony Kit
- Encountering Busy Tone when Using the Cordless Internet Telephony Kit
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