Oktell SIP GSM Toolbar is developed by Oktell SIP GSM. The most popular version of this product among our users is 6.1. The product will soon be reviewed by our informers.
You can check Net2Phone SIP Dialer, CDR Analyzer - GSM Analyzer, researchdesignlab.com GSM GPRS Utility and other related programs like Robust SIP ActiveX Phone at the "download" section.
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