Aastra Telecom SISIP 57I CT - Manual (Page 60)

Administrator Level Options
3-20 41-001160-00, Rev 01 Release 2.0
IP Phone Administrator Guide
Administrator Options
Line Settings
An administrator can configure multiple lines on the IP phone with the same SIP
network configuration (global) or a different SIP network configuration (per-line).
The following table provides the number of lines available for each IP phone
model.
For more information about configuring lines on the IP phone, see Appendix A,
the section,
“SIP Basic, Per-Line Settings” on page A-48 and “DTMF Per-Line
Settings” on page A-65.
IP Phone
Model
Available
Lines
53i 9
55i 9
57i 9
57i CT 9