AASTRA 6700i for Aastra 800 and OpenCom 100 User Guide EN - Manual (Page 6)

Aastra 673xi / 675xi SIP Telephones
4
The Aastra 6755i and Aastra 6757i models have large and freely programmable dis-
plays for executing system functions.
Aastra 6753i – headset jack and six function
keys Aastra 6755i – comfort display, six function
keys and six softkeys
Aastra 6757i – premium display and twelve
softkeys