Call Shop Solution
A call shop is a business that provides physical phones for the purpose of making long-distance telephone calls. There are two main types of call shop payment methods; prepaid and postpaid.
SIP protocol was made within IETF (Internet Engineering Task Force) – organization occupied with establishing Internet standards and general standards concerning TCP/IP protocols.
IPGO.Net Ltd
IPGO.Net was founded in 2000 aims to provide the telecom related service and solution. Our vision would like to offering of products and technologies that hamess the power of IP telephony through a combination of thin client technology, advanced, intellig
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