The AT&T/Lucent Merlin BIS-10 phone has 10 buttons with indicators for Line Appearance, Intercom, and programmable features. It has Message, Speakerphone, and hands-free answer capability. Other features include: Conference, Drop, Transfer, Hold, and Recall. It is also hearing aid compatible.

The AT&T/Lucent Merlin BIS-22 phone has 22 buttons with indicators for Line Appearance, Intercom, and programmable features. It has Message, Speakerphone, and hands-free answer capability. Other features include: Conference, Drop, Transfer, Hold, and Recall. It is also hearing aid compatible.

The AT&T/Lucent Merlin BIS-22D phone has 22 buttons with indicators for Line Appearance, Intercom, and programmable features. It has message, speakerphone, and hands-free answer capability. Other features include: Conference, Drop, Transfer, Hold, and Recall. This phone has an alphanumeric display. It is also hearing aid compatible.

The AT&T/Lucent Merlin BIS-34 phone has 34 buttons with indicators for Line Appearance, Intercom, and programmable features. It has Message, Speakerphone, and hands-free answer capability. Other features include: Conference, Drop, Transfer, Hold, and Recall. It is also hearing aid compatible.

The AT&T/Lucent Merlin BIS-34D phone has 34 buttons with indicators for Line Appearance, Intercom, and programmable features. It has Message, Speakerphone, and hands-free answer capability. Other features include: Conference, Drop, Transfer, Hold, and Recall. This phone has an alphanumeric display. It is also hearing aid compatible.