Around 42 telephone English PDFs plus e-books, lists of useful phrases and teaching ideas. If you like anything here and would like more, please support TEFLtastic.
Telephoning e-books
Teaching Telephoning: Interactive Classroom Activities (over 300 pages of photocopiable pairwork and groupwork, including improved versions of some of the worksheets below)
Really Learn the Most Useful Telephoning Phrases (over 100 pages of stimulating self-study practice, with realistic and useful speaking activities, model dialogues, detailed answers, and lots of training in the best way for students to learn on their own)
List of useful telephoning language (for teachers and students)
The 100 most important telephoning phrases
Making and teaching telephoning articles
Photocopiable telephone English classroom activities
and see the e-book above for many more and improved versions of some of these
Starting and ending calls line by line brainstorming – NEW
Ordering products on the phone line by line disappearing text
Telephoning prepositions and determiners pairwork
Travel English telephone roleplays dice game
Personal phone calls roleplays dice game
Telephoning challenges dice game
Telephoning roleplays dice game
Telephoning roleplays and future tenses review
Telephoning errors pairwork speaking
Brainstorm the telephone dialogue line by line
Telephoning Problems vocabulary, roleplays and phrases
Telephoning and teleconferences discussion and personalised practice
More and more difficult telephoning roleplays and useful phrases
Making arrangements telephoning game
Telephoning in English discussion and personalised practice
Telephoning vocabulary and collocations guessing games
Continue the telephone conversations from the useful phrases
Telephoning The same or different
Telephoning roleplays and phrases
Telephoning politeness competition game and politeness roleplays
Telephone or face to face phrases game
Dealing with telephone enquiries tips and useful phrases
Step by step telephoning roleplays (intensive but fun practice)
Starting and ending telephone calls
Telephoning communication breakdown roleplays
Business telephoning problems board game
TOEIC-style telephoning practice
Telephoning roleplays for architects
Business phone calls chain writing game
Telephoning language definitions game and roleplays
Telephoning Getting through or not
Telephoning match the conversation pairwork
Phone phrasals and prepositions board game
Telephoning problems and solutions
Telephoning troubles collocations
Telephoning situations modals of deduction (with telephoning vocabulary)
Telephoning on festivals and celebrations (starting with ones about Xmas)
Related pages
Teleconferences/ Videoconferences worksheets page
Telephone job interviews worksheets page
Email and telephoning worksheets
Clarifying phrases games/ worksheets
Updated 21 April 2023
TEFLtastic 
This is a great resource, thanks a million Alex!
Many thanks!