Teleservices include telephony , teletex , telefax , videotex , telex , and teleconferencing .
电信业务包括电话、智能用户电报、用户传真、可视图文、用户电报和远程会议。
Telefax sent telegrams , manuscripts , line drawings , maps and page proofs for magazines .
电传业务为杂志社传送电报、手稿、线条画、地图和校样。
Article 83 all the arbitration documents , notices and materials may be sent in person to the parties or their attorneys , or by registered letter or express airmail , telefax , telex , cable or by any other means which are deemed proper by the secretariat .
