Device

Line Buttons Available

Cisco IP Phone 7811

7

Cisco IP Phone 7821

8

Cisco IP Phone 7832

7

Cisco IP Phone 7841

10

Cisco IP Phone 7861

22

Cisco IP Phones 8811, 8841, 8845

5

Cisco IP Phones 8851 and 8851NR

5 (77 with a key expansion module)

Cisco IP Phones 8861 and 8865

5 (113 with a key expansion module)

Cisco IP Phone 8865NR

10 (118 with a key expansion module)

Cisco ATA 190 and 191

10


 

Keep in mind that you'll have to deduct 1 from each of the values above because one line is already assigned as a directory number.