Probably field phones for use in their camps, between friendly neighbors, etc.; not cell phones or anything that will be connected to the public telephone netwo

Probably field phones for use in their camps, between friendly neighbors, etc.; not cell phones or anything that will be connected to the public telephone network. Example: http://blog.cheaperthandirt.com/secured-line-communication-german-military-field-phones/ http://blog.cheaperthandirt.com/secured-line-communication-g...