TeleService This section contains information on the following topics:PG_DIAL: Establish remote connection to programming device/PC (S7-300, S7-400)AS_DIAL: Establish remote connection to AS (S7-300, S7-400)SMS_SEND: Send text (SMS) message (S7-300, S7-400)AS_MAIL: Transfer email (S7-300, S7-400)