1. How to create your Own Alarm System This is the next lesson of Ozeki Video Guide. Now you can learn how you can build your own alert system with Ozeki VoIP SIP SDK.

2. Prerequisites to create the solution Ozeki VoIP SIP SDK PBX Sensors connected to your system CallerID sender/receiver source code

3. Registering SIP account to PBX Create softphone, phoneline and call object Add authentication data to SIP client Use only PCMA codec against datacompression loose Send out the registration request foreach (var s in mySoftphone.Codecs) { mySoftphone.DisableCodec(s.PayloadType); } mySoftphone.EnableCodec(8); //only PCMA codec enabled

4. Starting a call Send out a SIP invite The caller reaches the callee Attach PhoneCallAudioReceiver and PhoneCallAudioSender to transmit the data Connect ContactIDHandler Connect together the Sender and the Receiver mediaConnector.Connect(contactIdHandler, phoneCallAudioSender); mediaConnector.Connect(phoneCallAudioReceiver, contactIdHandler)

5. Send / Receive ContactID Both sides create a ContactIDhandler command using MediaConnector The receiver reads data from this command The sender sends the data to this command In case of successful connection the receiver gets the DTMF notification* *Users have to build the notifications using the 16 digit key. *Each devices requires a unique command. ContactIdHandler = new ContactIdHandler(); ContactIdHandler.SendNotification(1506, ContactIdEventQualifier.NewEvent, 110, 1, 22);

6. Solutions you can create using Ozeki VoIP SIP SDK Build unique softphones Create your own Call center Customize your IVR Record Voice/video while communicating Build corporate PBX Reliable Compatible Developer friendly

7. Thank you for your attention! For more information please visit: http://www.voip-sip-sdk.com or write us an e-mail to: info@voip-sip-sdk.com