| Icon
|
Name
|
Generation
|
Technology
|
SIP 2.0
|
Example Device 1
|
Example Device 2
|
Identifying Characteristic
|
PC Software
|
Mobile App
|
|
|
Gen1-IP
|
Gen 1
|
IP
|
Non-SIP
|
VTH1550CH
|
VTO2111D-WP
|
No "-2" or "-S"
|
SmartPSS
|
gDMSS or iDMSS
|
|
|
Gen1-2Wire
|
Gen 1
|
2-Wire
|
Non-SIP
|
VTO2000A-2
|
VTH1550CHW-2
|
"-2" at end of model name
|
SmartPSS
|
gDMSS or iDMSS
|
|
|
Gen2-SIP2.0-IP
|
Gen 2
|
IP
|
SIP 2.0
|
VTH1550CH-S
|
DHI-VTO2000A-S
|
"-S" at end of model name
|
DSS or DSS Express S
|
DSS Mobile for VDP
|
|
|
Gen2-SIP2.0-2Wire
|
Gen 2
|
2-Wire
|
SIP 2.0
|
DHI-VTH1550CHW-2-S
|
DHI-VTO2000A-2-S
|
"-2-S" at end of model name
|
DSS or DSS Express S
|
DSS Mobile for VDP
|
