| PortSIP Free SIP Softphone |
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PortSIP Free SIP Softphone is a fully functioning softphone featuring many of the popular features. With your existing connection to a VOIP or broadband service (e.g. Vonage, BT, AT&T) or an IP-PBX connection (e.g. Asterisk, enterprise LAN), it allows you to make calls to any softphone, mobile or landline number. |
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PortSIP free softphone 3.0 |
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User guide for softpone 3.0 |
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| PortSIP VOIP SDK Sample source code |
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These samples were built based on the evaluation PortSIP VOIP SDK, which allows only two minutes conversation. The conversation will be cut off automatically after two minutes, then you can't hearing anything.
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| Softphone User Guide & SDK User Manual |
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PortSIP VOIP SDK Data Sheet |
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PortSIP VOIP SDK V4.0 User Manual for Visual Studio .NET 2005, 2008 |
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PortSIP VOIP SDK V4.0 User Manual for Visual C++ 8.0, 9.0 |
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User guide for Softphone 3.0 |
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PortSIP VOIP SDK V4.0 User Manual For CodeGear Delphi 2007 |