| Pangolin is the newest free softphone application from PortSIP, it's built base on PortSIP VoIP SDK, allowing users to enjoy multimedia communications in a dynamic way.
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VoIP SDK
| PortSIP
also offers several Software Development Kits (SDKs). These SDKs
allow developers and Service Provider, OEM or Enterprise clients
to create customized SIP-based VoIP applications. Typically, customers that build their own graphical user interface and applications. The SDK has components for managing audio and video media, as well as signaling and call control, IM - XMPP and SIMPLE. A commercial license for the PortSIP VoIP SDK which consists of complete DLL, LIB, documents and 2 years full support (including e-mail technical support, patches and upgrades). With the commercial license you have the right to distribute your applications (not this SDK) to any amount of end-users as you like. Please download the SDK sample projects(Demos) at here for test. |
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View the SDK license agreement at here. |
Customization Softphone
| We offer you our
award-winning softphone. It has been successfully deployed by
over a hundred IP-telephony Services worldwide from small
start-ups to huge Telecoms. Whether you need pretty GUI(skin) and private labeling or other private functionalities of the softphone, we offer services to meet your needs, such as DNS SRV, auto provisioning, signing up new account, account balance displaying on the skin, modifying password, charging balance, call history management, and Contacts management etc, for more details, found in the specifications/features. With customization softphone, you have the right to distribute it to any amount of end-users as you like. The customization softphone is including 2 years free support (e-mail technical support, patches and upgrades). To get more details, please click here or send email to: sales@portsip.com |
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"Most of mobile computers have an embedded microphone and speaker. Make sure that your microphone is good enough by trying to record your speech. In order to get better audio quality and avoid echo, you may use headset, Blue Tooth, and wired headset etc; We strongly recommend you to install the latest version of operating system, sound and network drivers, and DirectX (check with dxdiag.exe, it should be 9.0 or higher). Check your Internet connectivity by pinging your party's IP address. A proper response time is below 100 ms unless the party you are calling is from Down Under. If the ping time seems too large, you Internet connection is too busy now. Try to stop any other activity. If the problem persists, ask your Internet provider or system administrator to fix it. For the best voice quality, use the G.711 codec on broadband, on dialup try the G729, iLBC, or other codecs."