COMMUNICATION OPTIONS

Traditional Phone Line GSM cellular serviceNetwork Based Security combined services  

Traditional Telephone
Traditional Telephone Line

POTS (plain old telephone service) is the voice grade telephone service that remains the basic form of residential and small business service connection to the telephone network in many parts of the world. This is an analog phone system.

 

 

 

 

 

 

 

 

 

 

 


 

 

ESA