First, we need a back up plan for miscommunication. Also, for reference in case of an emergency. Then, full comprehension is an issue. Accordingly, all information must be clear for a meeting of the minds. After, call us on it for clarification. So, phone number to call in digital signatures. Given, good netiquette to include synchronous contact option. As a result, don’t leave out the telephone info.
Next, immediate contact info allows people to place voice calls. Then, talk to the author in real time. As a result, we are in sync with each other. Given, composer and recipient come together.
In any event, email is asynchronous. It follows, the recipient may or may not respond to the message. In fact, we do not even know if they get it. Unless, a read receipt is included.
Providing a telephone number in an email signature gives the recipient a chance to speak with the sender. This gives a message more credibility because the recipient can speak to the author directly if they don’t understand it.
Therefore, it is good netiquette to include a phone number in personal and professional email signatures so the recipient knows they can speak with the author if they need to.
Phone Number Netiquette
Telephone Number, landlines are more credible, because it provides access to the author.