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