Selectable Packet Size
(10ms/20ms)
Yes
Yes
Yes
Yes
Yes
DTMF (in-band)
Yes
Yes
Yes
Yes
Yes
DTMF (RFC2833)
Yes
Yes
Yes
Yes
Yes
Network
DHCP
(IP address, subnet mask, DLS ad-
dress, FTP address, option 120)
Yes
Yes
Yes
Yes
Yes
DNS names for phones
Yes
Yes
Yes
Yes
Yes
IEEE802.1p/q
(VLAN tagging and prioritization)
VLAN ID, manually or DHCP option
43
Yes
Yes
Yes
Yes
Yes
QoS (DIFFSERV and IEEE802.1p/q)
Yes
Yes
Yes
Yes
Yes
10/100 Base-T interface, auto
sensing
Yes
Yes
Yes
Yes
Yes
10/100 Base-T mini switch, auto
sensing to connect PC
No
No
Yes
Yes
Yes
RJ45 jacks
1
1
2 (phone/PC)
2 (phone/PC)
2 (phone/PC)
Headset port 121 TR9-5/Polaris
No
No
Yes
Yes
Yes
USB master port
No
No
No
No
Yes
SNMP (MIB II support)
Yes
Yes
Yes
Yes
Yes
Support of QDC
Yes
Yes
Yes
Yes
Yes
Failover / Redundancy
DNS SRV
Yes
Yes
Yes
Yes
Yes
Registration with backup proxy
Yes
Yes
Yes
Yes
Yes
NAT
Via Application Layer Gateways
Power supply
External power supply unit (EU,
US or UK variants)
Yes
Yes
Yes
Yes
Yes
Power over LAN: IEEE 802.3af
Yes
Yes
Yes
Yes
Yes
Power over LAN according to Cisco
(no CDP)
Yes
Yes
Yes
Yes
Yes
PoL class
Class 0
(0.44 W – 12.95 W)
Class 1
(0.44 W – 3.84 W)
Class 1
(0.44 W – 3.84 W)
Class 2
(3.84 W - 6.49 W)
Class 2
(3.84 W - 6.49 W)
Modularity (Module / Adapter Support)
option bays (for adapter plug-in)
No
No
No
Yes (2 bays)
Yes (1 bay)
Acoustic adapter
No
No
No
Yes
Yes
Recorder adapter
No
No
No
Yes
Yes
optiPoint display module
No
No
No
Yes
Yes
Busy Lamp Field
No
No
No
No
No
Support of optiPoint key module,
max. two modules per phone
No
No
No
Yes, 410 S
Yes, 410 S
Support of optiPoint self-labeling
key module, max. two modules
Note:
No mixed configuration
supported.
No
No
No
Yes
Yes
optiPoint application module
No
No
No
No
No
410
entry S
410/420
economy S
410/420
economy plus S
410/420
standard S
410/420
advance S