An overview of the optiPoint phones, subdivided in SIP, HFA and TDM phones:
SIP phones
|  Phone or Phone Family
 | 
 Description
 | 
|  optiPoint 410/420 S
 | 
 The nine models of this family are connected to a SIP server via LAN interface. The hardware is similar to the members of the optiPoint 410/420 family, but the phones have a SIP firmware loaded.
 | 
|  optiPoint WL2 professional S
 | 
 The wireless phone is connected to a SIP server via WLAN access point. The hardware is similar to the optiPoint WL2 professional, but the phone has a SIP firmware loaded.
 | 
|  optiPoint 150 S
 | 
 The cost-effective entry model is connected to a SIP server via LAN interface.
 | 
CorNet IP (HFA) phones
|  Phone or Phone Family
 | 
 Description
 | 
|  optiPoint 410/420
 | 
 The nine models of this family are connected to the HiPath via LAN interface. The hardware is similar to the members of the optiPoint 410/420 S family, but the phones have a CorNet IP firmware loaded.
 | 
|  optiPoint WL2 professional
 | 
 The wireless phone is connected to the HiPath via WLAN access point. The hardware is similar to the optiPoint WL2 professional S, but the phone has a CorNet IP firmware loaded.
 | 
TDM phones
|  Phone or Phone Family
 | 
 Description
 | 
|  optiPoint 500
 | 
 The four models of this family looks similar to optiPoint 410 phones, but they are connected to the HiPath by UP0/E interface.
 |