Ways by which NITEL has contributed to the success of business in Nigeria are:
(I) NITEL helps firms to transact business through telephone services.
(ii) Firms also benefit from telegraph and telex services.
(iii) It provides fax services / exact copy of documents.
(iv) Live telecast services is provided by NITEL.
(v) Firms can also send their telegram through NITEL.
(vi) NITEL also renders data transmission service. This is a means whereby business units can transmit digital data by computers.