An application like viber with the following requirements. The SIP app must be tied to an elastix server. The Chat side must be tied to openfire. Cstomers should be able to register accounts from the app directly into elastix with a corresponding a2billing account being created directly from the app.
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We understand you requirement and we have experience to do this type of work. We assure you that we complete your product on time with quality. Please check your Private Message Box for more details.
An ISO 9001:2006 certified company, We can fulfill your requirement because we are professional worker, we work for our client satisfaction. for more detail please check private message board. Thanks.