In telecommunications the automatic call-back is a computer telephone function which allows the user by the engaged addressee’s line or in the other case of the subscriber’s inaccessibility indicating the system to save the number of the called subscriber and make the call when the line will be available or when the called number is not engaged.
Tseyva Pte Ltd is a licensed Internet Voice and Data service provider based in Singapore. We offer a comprehensive hosted Internet Telephony Platform Service headquartered in the Republic of Singapore with the Network Operations Center (NOC) based in the
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