# a b c d e f g h i j k l m n o p q r s t u v w x y z
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Full form
common channel signaling system 7
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CCSS7

/͵si:si:ɛsɛsʹsɛvn/
in Georgian | in Russian
ამერ. (common channel signaling system 7-ის აბრევ.) = C7.