Exhibit 23.1

INDEPENDENT AUDITORS' CONSENT AND REPORT ON SCHEDULE

We consent to the use in this Amendment No. 2 to Registration Statement No.
333-77021 of Cortelco Systems, Inc. of our report dated April 9, 1999 except
for Note 21, as to which the date is July 8, 1999, appearing in the
Prospectus, which is a part of such Registration Statement, and to the
reference to us under the headings "Selected Financial Data" and "Experts" in
such Prospectus.

Our audits of the financial statements referred to in our aforementioned
report also included the consolidated financial statement schedule of Cortelco
Systems, Inc. and subsidiaries, listed in Item 16(b). This financial statement
schedule is the responsibility of Cortelco Systems, Inc.'s management. Our
responsibility is to express an opinion based on our audits. In our opinion,
such financial statement schedule, when considered in relation to the basic
financial statements taken as a whole, presents fairly in all material
respects the information set forth therein.

Deloitte & Touche LLP

/s/ Deloitte & Touche LLP

Memphis, Tennessee

July 12, 1999