City Telecom (Hong Kong) Limited, as known as CTI, is one of the leading providers of high quality, competitively priced international telecommunications services in Hong Kong.

• 城市电讯(香港)有限公司(CTI)乃香港国际通讯服务主要供应商之一。自成立以来，CTI已发展成为一间提供质高价廉国际电讯服务的公司。