Telephobia of course.
making a phone call
Yes, the phobia of not having a mobile phone is real. It has only recently been added to the official phobias list.This phobia is called Nomophobia.
There does not seem to be a specific phobia for leaving the phone off of the hook. There is a phobia of phones that is called phonophobia. This caused people to fear answering or handling phones.
A phobia of small spaces is called claustrophobia.
Tropophobia is the name of the phobia related to the fear of moving or making changes
To make a station-to-station call on this phone, you need to dial the phone number of the station you want to reach and wait for the call to connect.
When making a phone call, you may get a message cancelled message. This means something happened in the transmission of the message and it did not go through.
Ntomataphobia
From what I understand there is no specific phobia for people who are afraid of mail. Most just call it Mail Phobia...
Yes, this fear does exist and it's a relatively new one.The phobia of not having a cell phone is called Nomophobia.
Gigantasophobia is the fear of tall people.
The most common way of making a phone call in 2013 is by using cellular telephones. Most phone calls are now VoIP (Voice over Internet Protocol) in terms of the the information is transmitted to each phone.