Relation between SIP, IP Telephony and  VoIP  :  Previously I have written an article about  VoIP  but in this article I will tell you what is SIP, what is IP telephony and what is VoIP and what is their relationship with each other. Perhaps all o…

Why VOIP Important for Business : I will explain in this article what is the important contribution of VOIP in Business. First let me tell you that the full name of VOIP is "Voice Over Internet Protocol", an advanced technology that allo…