Aastra M720 Installation Manual page 223

Miscellaneous
DHCP
HTTPS
SRTP
TLS
802.1X authentication
Dual Homing
Two-port 10/100 base T switch
Three-port 10/100 base T switch
SIP (RFC 3261)
SIP over UDP & TCP
External power supply
Wall-mounting position
Category 6 cable
Category 5 cable
Category 3 cable
Features offered by the set
Multi-line (total)
Multi-line (Line/Call Appearance
key)
Programmable hard keys
Softkeys
Handsfree key
Full-duplex speakerphone for
handsfree calls
Screen
Visual display of call on hold,
mute*, and message
Hold key
Mute key
Waiting call indicator
Redial key
Last callers list name
Last called list name
Personnal directory
Installation Manual for digital sets - IP sets - SIP sets
SIP PHONES 51i, 53i, 55i AND 57i
51i
X
X
X
X
X
X
X
X
X
X
51i 53i
1 ligne 9 lines
1 ligne 3 lines
6 keys:
up to 6 programmable
functions.
X
X
3 lignes 3 lines
X
(* not available)
X
X
X
X (redial list) X (redial list)
X (200 names X (200 names + N°)
+ N°)
X (100 names X (100 names + N°)
+ N°)
X (200 names X (200 names + N°)
+ N°)
53i 55i
X X
X X
X X
X X
X X
X X
X X
X X
X X
X X
55i
9 lines
4 lines
6 keys:
up to 6 programmable
functions
6 Bottom keys:
up to 20 programmable
functions
X X
X X
8 lines
X X
X X
X X
X X
X (redial list)
X (200 names + N°)
X (100 names + N°)
X (200 names + N°)
05/2008
57i Comments
X
X
X
X
X
X
X
included excepted
X
for 51i (option)
X
X
57i
9 lines
4 lines
12 keys:
- 6 Top Keys: up to 10
programmable functions
- 6 Bottom Keys: up to 20
programmable functions
X
X
11 lines
X
X
X
X
X (redial list)
X (200 names + N°)
X (100 names + N°)
X (200 names + N°)
AMT/PTD/TR/0001/3/7/EN
Page 9-13