Cha-Ching-Chat - New VoIP Handset

How do I connect the handset ?

Do I have to adjust sound IN and OUTPUT levels?

How and where do I mount the handset?

What are the technical specifications?

How do I connect the VNC-Handset?

See Diagram: (Click to enlarge installation picture below:)

Click to enlarge and view the installation

Mount Handset on Front of Monitor - Click to Purchase

Colours and positions of connectors on soundcard may vary among manufacturers -

Do I have to adjust sound IN and OUTPUT levels?

Yes, you need to adjust your mic-in volume. As the Noise cancelling microphone is very sensitive, we achieved excellent results with most sound cards by setting the mic-in level to only about 60%. However, most Internet Telephony applications today come with their own Volume Set-up Wizard, so just follow the indications on the screen.

Speaker output level of the sound card can be left at MAX because you have a volume control on the VNC-Handset

How and where do I mount the VNC-Handset?

If the front-panel of your monitor is large enough, we suggest fixing the VNC-Handset holder on the left front-panel of your monitor. If the front-panel is too narrow you may fix the holder on the side of your monitor.

The cable clamp should be fixed on the side towards the top of your monitor to hold the spiral cord conveniently out of your way.

IMPORTANT: Before fixing the holder, clean the mounting area with soap and water, (do NOT use any solvent) and let it dry for a few hours. Pull off the foil from the adhesive tape and press the holder firmly against the mounting surface.

Wait a few hours before hanging up the VNC-Handset for maximum adhesion.

For further information please check our website at:

http://www.cha-ching-chat.com

Product Specification

Internet Telephony VNC-Handset IPT 2.1

The VNC-Handset IPT 2.1 is the second generation of telephone VNC-Handsets

for computers, specifically designed for home / SOHO users of Internet telephony.

Text Box:

Feature-rich and yet affordable!

It connects to the PC’s sound card and allows the external

PC-speakers to be re-connected.

Its main advantage is the automatic muting of the PC-speakers when it’s lifted from its holder or from the desk. There is no need to lower the volume or disconnect the PC-speakers during its use.

This also permits users to receive incoming ”phone to PC” calls while online.

It further includes a thumb-wheel volume control for the earpiece, therefore no need to adjust volume in the program set-up during a conversation.

Application examples and areas of use

· whenever a PC is used as a phone

· PC-to-PC, PC-to-phone and phone-to-PC Internet telephony

· click-to-call services

· universal computer microphone

Features and benefits

· PC speakers can be connected to the auxiliary female stereo plug

· PC speakers are muted when the VNC-Handset is lifted from it’s holder or from the desk

· shielded, extra-long, partially coiled cord with a self-adhesive fixing clip

· the cord is sufficiently long to reach under-the-table PCs

· convenient earpiece volume control

· self adhesive VNC-Handset holder for mounting on the PC monitor; frees table space

· Mylar speaker (does not influence colour of the screen)

· high quality, noise cancelling microphone

· easy to install and to operate; only one connection cable; works with any IP telephony, voice or sound application

Technical specifications (typical values)

PARAMETER	VALUE/DEVICE	NOTES
Microphone Sensitivity	-45±4dB	0dB = 1V/Pa, 1kHz
Frequency range	20 – 16.000 Hz
Impedance	Less than 2.2kΩ (1kHz)
Microphone powering	Bias voltage from PC sound card mic input	IBM ThinkPad does not provide bias voltage
Current consumption	0.3 mA	1.5…10 V
Speaker frequency response	50 Hz - 15 kHz	30 mm Mylar Cone
Speaker impedance	32 ohm at 1 kHz
PC speaker muting attenuation	100 dB
Type of connectors	3.5 mm stereo plug	2 male, 1 female
Length of connection cord	200/280 cm	Unstretched /fully stretched

Patent pending, VNC-Handset reserves the right to change the specifications without prior notice.

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