This is a device allowing a user to make VoIP calls using session initiation protocol (SIP). SIP is a telecommunication technology developed as a fast, easy standard for delivering IP-based data, voice, and video communications.
As a business Internet Telephony Provider, Tele-Asia (Tele-Asia Limited) is recognized as one of the HK''s leading communications providers. Tele-Asia is the Internet Telephony (VoIP) provider built exclusively to serve small and medium sizes businesses.
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