ElCat SIP Phone is developed by SJ Labs, Inc.. The most popular version of this product among our users is 1.6. The name of the program executable file is SJphone.exe. The product will soon be reviewed by our informers.
You can check Net2Phone SIP Dialer, PC Phone, DrayTek Soft Phone and other related programs like Robust SIP ActiveX Phone at the "download" section.
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