Use "telephone communication" in a sentence

1. Existing telephone communication facilities should be strengthened.

2. Useful in developing a feel for the subtleties of language in letter, telex and telephone communication.

3. The method and the system for abbreviated telephone dialing find application in the telecommunication technology in establishing coded telephone communication, encoded by a telephone post with multiple arbitrary telephone subscribers, where the logical telephone number is associated with the name of the telephone subscriber by means of an encoding symbol number.