Hi, we want 'll sell sip based VOIP iPhone app in $2000 and Android app in $2000 .Both app support audio & video call with all known major audio & video [url removed, login to view] support SMS chat as well. we also have VOIP tunnel solution for these platform in case any company is interested.
you can review android app at app store.
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6 freelancers are bidding on average $4013 for this job
Can I look into the code once as I am also a voip developer but I am more interested in tunnel solution. And also want to check with my voip server to confirm the offer.