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If three parties wish to have a conference call, it can be done with the help of the three party conference call function in the telephone network/PBX. If more than three parties are to engage in the conference call, you can use a conference call service provided by a service provider.

First, make sure that you have the latest version of the software or at least 2.0.1. Change DTMF method to "Inband" under MENU > SETTINGS > ADVANCED > *PIN CODE (1234)* > MEDIA > DTMF SIGNALLING > INBAND Now the DTMF tones should work fine.

Check that the phone is registered. This is shown as a shaded box in the bottom left-hand corner of the screen If the box is not shaded, contact your phone administrator.

Try changing the option Allow contact rewrite to No. You will find this option in the web interface under Settings and SIP.

Go to Phone System > Handsets > Modify Handset options in Handset Features. Check the box next to "This phone is behind a NAT/firewall and needs transversal assistance"

Decrease the volume a notch on the Konftel as shown in the instructions in the user guide.

Yes, download the Konftel Upgrade Utility from the Konftel web page and follow the instructions.

You need to log in as an administrator to update software in the Konftel 300IP/IPx. You can search for the most recent version via the web interface and then install it automatically in the Konftel 300IP/IPx. For more details, see "Installation and Administration of Konftel 300IP".

Konftel 300/300IP have headset connection as standard. Earlier revisions can download a free software.

1. Restore the firmware on the phone by pressing and holding the MENU button during boot up of the phone. A rescue menu will appear and you should select "3. Restore firmware"

2. After the phone has booted, go to the web interface and login in as "Admin". Go to Provisioning and update the Konftel with this file: http://www.konftel.com/Download/konftel_300ip/KT300IP_UPGRADE_FIX.kt

3. After the phone has done a successful update it will reboot.

4. When the phone starts again, go to the Provisioning tab and do a normal update to the latest version

Yes, you can use the Konftel if you only want to record a "local" meeting. Do the following:

1. Press and hold the C/Rec button and confirm with "OK" on the Konftel.
2. To stop the recording press the C/Rec button and confirm with "OK".

During a active call, press the MENU button on the Konftel. A menu will pop up and then you can select "TRANSFER" and press OK. Enter the number where you want to transfer the active call and then press OK to complete the transfer. Please note that the Konftel 300IP will do a "blind transfer" and it's not supported on all systems.

The entire call is recorded.

The ShoreTel system has a custom parameter to the "SIP Extension Profile" called XferFailureNotSupported. Please set that to 1 (XferFailureNotSupported=1) in the Custom Parameters field.

No, you'll need the new expansion microphones with item number 900102113.

No, as opposed to the older Konftel models (200/200W/200NI), all three microphones are used.

No. There is only audio transmission going on between the unit and the wireless headset.

The AUX port. If you intend to use both the wireless headset and PA system at the same time, connect the headset to the PA system.