All private transactions are in cash credit cards are only accepted in about 40 establishments. The telephone system in Baku is oversubscribed and technologically inadequate.
International calls are possible, but fairly expensive.
Email and full Internet service are available via local Internet providers. The Azerbaijani postal system is functional, but not secure. U.S. courier firms, such as dhl , ups , and Fedex , are resident in Baku and should be used to ensure delivery of business correspondence. There is a functioning subway system in Baku, but, because of severe maintenance problems, the U.S. Embassy discourages American citizens from using it. Buses and streetcars run, but are crowded and not recommended.