Mississippi Code Title 19. Counties and County Officers § 19-5-311

(a) “District dispatch method,” which is a telephone service to a centralized dispatch center providing for the dispatch of an appropriate emergency service unit upon receipt of a telephone request for such services and a decision as to the proper action to be taken, including an E911 system.

(b) “Relay method,” which is a telephone service whereby pertinent information is noted by the recipient of a telephone request for emergency services and is relayed to appropriate public safety agencies or other providers of emergency services for dispatch of an emergency service unit.

(c) “Transfer method,” which is a telephone service which receives telephone requests for emergency services and directly transfers such requests to an appropriate public safety agency or other provider of emergency services.