VoWLAN is voice over WLAN that is a technique of voice on the basis of wireless local area network

which is named as VoWiFi or WiFi VoIP.It is a technique of VoIP over wireless local area network.In other words providing VoIP business through WLAN which enable end-user dial IP phone access to WLAN.The paper presents a solution for voice business over IP networks on the basis of SIP server and VoIP gateway which deploy seamless connection between PSTN date communication line to IP network link by using SIP as a result of voice

conference

voice mail

SM and the like applications.This application has already been successfully applied for a certain company as a real-time voice communication system.