Aastra SIP 53I Administrator's Manual page 732

IP Phone Administrator Guide
Sample BLF Softkey Settings
Sample BLF Softkey Settings
Asterisk BLF
The following are sample softkey and programmable key configurations to enable
Asterisk BLF support on Aastra IP phones.
57i and 57i CT Configuration Parameters for Asterisk BLF
softkey1 type: blf
softkey1 value: 9995551212
softkey1 label: John
softkey1 line: 1
53i Configuration Parameters for Asterisk BLF
prgkey1 type: blf
prgkey1 value: 9995551212
prgkey1 label: John
prgkey1 line: 1
prgkey7 type: blf
prgkey7 value: 9995551313
prgkey7 label: Jane
prgkey7 line: 1
E-2 41-001160-00, Release 2.1, Rev 04