Which conference phone?  
 

To which line do I connect my Konftel telephone? Which sort should I choose?

Begin by checking which type of telephone line you have.

Konftel 300	Can be connected to a direct subscription (analogue) or to a PBX if it has an analogue card configured for the actual connection. Also connects to a computer for VoIP-calls with the enclosed mini USB cable. Optional cables for connection to mobile phones.
Konftel 300IP	Connects to a company SIP switch or PBX or with a public IP telephony service provider.  Learn more about IP PBX's
Konftel 100 Konftel 200 Konftel 250	Can be connected to a direct subscription (analogue) or to a PBX if it has an analogue card configured for the actual connection.
Konftel 200W Konftel 300W	Connects wirelessly to GAP compatible DECT systems or DECT base stations. The Konftel 200W is only available in Europe.
Konftel 200NI	Has the same connection possibilities as the Konftel 100 and 200 but can also be connected to an ISDN/So line with a direct subscription or under a PBX with an ISDN/So card.
Konftel 50 and Konftel 60W	Can be connected to your system telephone or PC, not to a wall jack. Can also be used with a wireless DECT telephone or mobile telephone. Works with most PBX's. No need for special telephone line.
Konftel 60W	Connects wirelessly to phone or PC. Can also be connected to a system phone or PC with cable. Optional cables for connection to DECT or mobile phones. Konftel 60W works with most PBX's. No need for special telephone line.