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Softphone, webphone development
Learn about how you can create high quality softphone or webphone applications easily with Ozeki VoIP SDK.
PBX development
Learn about how you can create a reliable, high performance PBX system with Ozeki VoIP SDK.
Callcenter & CRM development
Learn about how you can create your own callcenter or CRM solution for your business' needs with Ozeki VoIP SDK.
Mobile development
Learn about how you can create your own VoIP application for tablet PCs, smartphones or other portable devices with Ozeki VoIP SDK.
Prerequisites
- OS: Windows 8,7,Vista,200x,XP
- Visual Studio 2010, Visual Studio 2008
- .NET Framework 3.5 SP1, 4.0 or newer
- 1 GHz CPU
- 1 GB RAM
- 200 MB free disk space
- Redistributable .DLL
- 68 example projects
- Demo Softphone program
- Documentation (reference book)
- License manager
- License.txt file
Outstanding compatibility
1
Supported Protocols
Protocols supported by Ozeki VoIP SDK:
2
Compatible PBXs
Ozeki VoIP SDK compatible PBX systems:
3
Telephony features
Ozeki VoIP SDK supports all the basic and advanced telephony features, full list of them can be found here.
Supported codecs
Ozeki VoIP SDK supports all the codecs used in VoIP communications. List of the codecs can be found here.
Audio features
Ozeki VoIP SDK has extended audio features to ensure voice quality. These features' list can be found here.
Video features
Ozeki VoIP SDK has extended video features to ensure video quality. These features' list can be found here.
Tools provided
Supported VoIP service providers
Ozeki VoIP SDK is compatible with a wide range of VoIP service providers. Step-by-step configuration
guides can be found here:
Peer to peer calls
Ozeki VoIP SDK supports peer to peer calls. The description of this method can be found here.
Trial version
1
2
The demo version has no limitations in the number of simultaneous calls. After the 4th call, one of every four calls plays a demo notification message. Another limitation is the time limit of 20 days for evaluation
3
You only need to buy the software license once, optional technical support and version update service is available later. You can request a quotation here. You can also find our FAQ on licensing here.
4
Trial version can be easily upgraded with your purchased license to full version without any uninstallation. Read more here.
On-line manual
You can find articles about VoIP technology and VoIP development with Ozeki VoIP SDK here.
On-line API documentation
The Ozeki VoIP SIP class library documentation can be found here describing all the tools you can use in your application.
Product datasheet
Ozeki VoIP SDK datasheet containing all the information related to the Ozeki VoIP SIP SDK product can be found here.
Download information
Information about the latest versions can be found here.
Supported RFCs
Ozeki VoIP SDK implements the following standards:
- RFC 2833 - RTP Payload for DTMF digits
- RFC 3261 - Session Initiation Protocol
- RFC 3263 - SIP: Locating SIP Servers
- RFC 3264 - An Offer/Answer Model with the (SDP)
- RFC 3265 - SIP Event Notification
- RFC 3420 - Internet Media Type message/sipfrag
- RFC 3428 - SIP Instant Messaging
- RFC 3489 - STUN - Traversal of UDP through NATs
- RFC 3515 - SIP Refer Method
- RFC 3550 - Real-time Transport Protocol
- RFC 3551 - RTP Audio/Video Conference
- RFC 3587 - IPv6 Global Unicast
- RFC 3666 - SIP, PSTN, Call Flows
- RFC 3725 - Best Practices for Call Control
- RFC 3842 - Message Waiting Indication
- RFC 3856 - Presence Events in SIP
- RFC 3891 - The SIP Replaces Header
- RFC 3892 - SIP Referred-By Mechanism
- RFC 3920 - Ext. Messaging and Presence (XMPP)
- RFC 4566 - Session Description Protocol
- RFC 5411 - A Hitchhiker's Guide to the SIP
This demo shows how you can develop a simple softphone for audio calls easily.
This demo shows how you can develop a simple softphone for video calls effectively.
This demo shows how you can control multiple simultaneous calls with your softphone.
This demo shows the usage of the advanced softphone features provided by Ozeki VoIP SDK.
This demo shows how you can develop a softphone with automated dialing and call status handling.
This demo shows how you can develop a more complex PBX system with advanced features.
This demo shows how to create a simple callcenter server with simple call distribution.
This demo shows how to create an advanced callcenter server with a more complex call distribution algorithm.
This demo shows how you can create an IVR (interactive voice response) system with Ozeki VoIP SDK.
This demo shows how you can create an Adobe Flash webphone with Ozeki VoIP SDK.
This demo shows how you can develop your own VoIP application for iPhone or iPad (iOS) clients.
This demo shows how you can develop your own VoIP application for Windows Mobile clients.
INTERMEDIATE
VoIP technology walkthrough
Softphone development
Webphone development
Mobile development
Voice recording
GETTING AROUND
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