Sharp BP-70C36 Color Advanced and Essentials BP Series Operating Manual - Page 1026

TROUBLESHOOTING►GENERAL PROBLEMS DIALING IS NOT POSSIBLE Check Is the external telephone connected? Is the line busy?  Solution ■ Check the connections. Check the telephone line socket, the wall socket, and any extension adapters to make sure that all connections are secure. ■ Wait until the communication is completed. YOU CANNOT TALK TO THE OTHER PARTY Check Did you dial using the speaker?  Solution ■ Use the external telephone. When you dial using the speaker, you will be able to hear the voice of the other party, but he or she will not hear your voice. Use the external telephone. (When the external telephone is not installed, you cannot talk to the other party.) AN ADDRESS (A ONE-TOUCH INDIVIDUAL KEY OR GROUP KEY) CANNOT BE STORED Check Has the maximum number of keys been stored?  Solution ■ Adjust the number of stored keys. Delete addresses (one-touch keys and group keys) that are not being used. 10-43