SIP VoIP Gateway
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.
For one time advertising promotions or typical requests it is easier to use services of the outsourced call center. Main advantage of such a service is that the company who rents it is free from the necessity of keeping the operators and organizing their work flow.
NextStag
Headquartered in New Delhi, NextStag is a global provider of high quality and cost-effective VoIP based telecommunication solutions. NextStag offers a range of expertise aimed to help his customers, engineer and re-invent their businesses using VoIP, to c
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