Aastra M720 - 51 I, 53 I, 55 I and 57 I SIP Set Technical Characteristics

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 XXX
Group listening X XXX
Taking a call at off-hook X XXX
Time display X XXX
Date display X XXX
Mute X XXX
Conversation with headset XXX
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 XXX
Display of communication cost
Beep heard when a key is pressed
Ringer volume adjustment X XXX
Choice of melody type X XXX
Screen contrast adjustment / choice of colours X XXX
Handset speaker adjustment X XXX
Deferred bell
Mute X XXX
Extended audio band
Terminal-generated tones
X XXX
Miscellaneous 51i 53i 55i 57i Comments
Technical Web administration X XXX
User Web Administration X XXX
TFTP Technical parameter loading X XXX
TFTP User parameter loading X XXX
TFTP Firmware loading X XXX
Phone-park administration tool
SNTP X XXX
SNMP
G711 codec X XXX
G729 A/B codec X XXX
G723 codec
Marking DSCP
802.3af remote power supply XX XX
IEEE 802.1p QOS X XXX
IEEE 802.1Q VLAN Tagging X XXX
911 X XXX
Listing of SIP sets X XXX
Encryption
NAT X XXX