AMT/PTD/TR/0001/3/7/EN
Installation Manual for digital sets - IP sets - SIP sets
Page
9-12 05/2008
SIP PHONES 51i, 53i, 55i AND 57i
9.9
51i, 53i, 55i and 57i SIP set technical characteristics
Ergonomics
51i
53i
55i
57i
Comments
Handsfree
X
X
X
X
Group listening
X
X
X
X
Taking a call at off-hook
X
X
X
X
Time display
X
X
X
X
Date display
X
X
X
X
Mute
X
X
X
X
Conversation with headset
X
X
X
Select text language
X
EN, FR,
DE, ES, IT
X
EN, FR,
DE, ES,
IT
X
EN, FR,
DE, ES,
IT
X
EN, FR,
DE, ES,
IT
Display of call duration
X
X
X
X
Display of communication cost
Beep heard when a key is pressed
Ringer volume adjustment
X
X
X
X
Choice of melody type
X
X
X
X
Screen contrast adjustment / choice of colours
X
X
X
X
Handset speaker adjustment
X
X
X
X
Deferred bell
Mute
X
X
X
X
Extended audio band
Terminal-generated tones
X
X
X
X
Miscellaneous
51i
53i
55i
57i
Comments
Technical Web administration
X
X
X
X
User Web Administration
X
X
X
X
TFTP Technical parameter loading
X
X
X
X
TFTP User parameter loading
X
X
X
X
TFTP Firmware loading
X
X
X
X
Phone-park administration tool
SNTP
X
X
X
X
SNMP
G711 codec
X
X
X
X
G729 A/B codec
X
X
X
X
G723 codec
Marking DSCP
802.3af remote power supply
X
X
X
X
IEEE 802.1p QOS
X
X
X
X
IEEE 802.1Q VLAN Tagging
X
X
X
X
911
X
X
X
X
Listing of SIP sets
X
X
X
X
Encryption
NAT
X
X
X
X