10.2.2  

optiPoint 420 and optiPoint 420 S Telephones 
 
The IP telephones in the optiPoint 420 and optiPoint 420 S families feature self-labeling keys. Self-labeling means that each key is assigned a display (1 line with 12 characters) in which the currently saved function or phone number is shown.

10.2.2.1  

optiPoint 420 economy, optiPoint 420 economy S 

Main features  
 •   Protocols
   -   H.323, HFA/V3 + V4, CorNet IP, SIP
   -   HTTP, DHCP, SNMP, FTP
   -   H.235 (security)
   -   QoS to DIFFSERV and IEEE 802.1 p/Q
 •   Voice compression G.711, G.722, G.723 and G.729 A/B
 •   Power over LAN (in accordance with Cisco and standard pre802.3af)
 •   CTI (for example, via TAPI 1st Party)
 •   1 Ethernet (10/100BaseT) interface (self-configuring) for LAN connection
 •   12 function keys with LEDs and self-labeling keys
 •   Graphic display (swivel) with 2 lines, 24 characters each
 •   3 dialog keys for interactive user prompts: "Yes", "Back", and "Next"
 •   Open listening
 •   2 volume adjustment keys (plus/minus), pitch and display contrast
 •   Suitable for wall mounting
 •   No modularity (no connection option for adapters or key modules)

Standard key assignment (default) for optiPoint 420 economy, optiPoint 420 economy S  
 Figure 10-28   optiPoint 420 economy, 420 economy S - Standard Key Assignment
 
Refer to Section 10.2.3 "Connection and Startup" for information on connection and startup.

10.2.2.2  

optiPoint 420 economy plus, optiPoint 420 economy plus S 

Main features  
 •   Protocols
   -   H.323, HFA/V3 + V4, CorNet IP, SIP
   -   HTTP, DHCP, SNMP, FTP
   -   H.235 (security)
   -   QoS to DIFFSERV and IEEE 802.1 p/Q
 •   Voice compression G.711, G.722, G.723 and G.729 A/B
 •   Power over LAN (in accordance with Cisco and standard pre802.3af)
 •   CTI (for example, via TAPI 1st Party)
 •   1 Ethernet (10/100BaseT) interface (self-configuring) for LAN connection
 •   1 Ethernet (10/100BaseT) interface (self-configuring) for the PC connection
 •   12 function keys with LEDs and self-labeling keys
 •   Graphic display (swivel) with 2 lines, 24 characters each
 •   3 dialog keys for interactive user prompts: "Yes", "Back", and "Next"
 •   Open listening
 •   Port for headset (121 TR 9-5)
 •   2 volume adjustment keys (plus/minus), pitch and display contrast
 •   Suitable for wall mounting
 •   No modularity (no connection option for adapters or key modules)

Standard key assignment (default) for optiPoint 420 economy plus, optiPoint 420 economy plus S  
 Figure 10-29   optiPoint 420 economy plus, economy plus S - Standard Key Assignment
 
Refer to Section 10.2.3 "Connection and Startup" for information on connection and startup.

10.2.2.3  

optiPoint 420 standard, optiPoint 420 standard S 

Main features  
 •   Protocols
   -   H.323, HFA/V3 + V4, CorNet IP, SIP
   -   HTTP, DHCP, SNMP, FTP
   -   H.235 (security)
   -   QoS to DIFFSERV and IEEE 802.1 p/Q
 •   Voice compression G.711, G.722, G.723 and G.729 A/B
 •   Power over LAN (in accordance with Cisco and standard pre802.3af)
 •   CTI (for example, via TAPI 1st Party)
 •   1 Ethernet (10/100BaseT) interface (self-configuring) for LAN connection
 •   1 Ethernet (10/100BaseT) interface (self-configuring) for the PC connection
 •   12 function keys with LEDs and self-labeling keys
 •   Graphic display (swivel) with 2 lines, 24 characters each
 •   3 dialog keys for interactive user prompts: "Yes", "Back", and "Next"
 •   Full-duplex speakerphone mode with echo suppression for room adaptation
 •   Port for headset (121 TR 9-5)
 •   2 volume adjustment keys (plus/minus), pitch, speaker quality and display contrast
 •   Modularity:
   -   2 option bays
   -   1 interface for up to 2 add-on devices
 •   Suitable for wall mounting

Standard key assignment (default) for optiPoint 420 standard, optiPoint 420 standard S  
 Figure 10-30   optiPoint 420 standard, 420 standard S - Standard Key Assignment
 
Refer to Section 10.2.3 "Connection and Startup" for information on connection and startup.

10.2.2.4  

optiPoint 420 advance, optiPoint 420 advance S 

Main features  
 •   Protocols
   -   H.323, HFA/V3 + V4, CorNet IP, SIP
   -   HTTP, DHCP, SNMP, FTP
   -   H.235 (security)
   -   QoS to DIFFSERV and IEEE 802.1 p/Q
 •   Voice compression G.711, G.722, G.723 and G.729 A/B
 •   Power over LAN (in accordance with Cisco and standard pre802.3af)
 •   CTI (for example, via TAPI 1st Party)
 •   1 Ethernet (10/100BaseT) interface (self-configuring) for LAN connection
 •   1 Ethernet (10/100BaseT) interface (self-configuring) for the PC connection
 •   1 integrated USB 1.1 interface
 •   18 function keys with LEDs and self-labeling keys
 •   Graphic display (swivel) with 4 lines, 24 characters each
 •   3 dialog keys for interactive user prompts: "Yes", "Back", and "Next"
 •   Full-duplex speakerphone mode with echo suppression for room adaptation
 •   Port for headset (121 TR 9-5)
 •   2 volume adjustment keys (plus/minus), pitch, speaker quality and display contrast
 •   Modularity:
   -   1 option bay
   -   1 interface for up to 2 add-on devices
 •   Suitable for wall mounting

Standard key assignment (default) for optiPoint 420 advance, optiPoint 420 advance S  
 Figure 10-31   optiPoint 420 advance, 420 advance S - Standard Key Assignment
 
Refer to Section 10.2.3 "Connection and Startup" for information on connection and startup.