ASCOM VoWiFi System System Description page 3

System Description
Ascom VoWiFi System
4.3 WLAN Functions .................................................................................................... 21
4.3.1 Roaming........................................................................................................ 21
4.3.2 Association ................................................................................................... 21
4.3.3 Authentication.............................................................................................. 21
4.4 Network Parameter Download.............................................................................. 22
4.5 Supported Third-Party Products ........................................................................... 22
4.6 WLAN Planning and Deployment for Ascom VoWiFi System ............................... 22
5 Ascom VoWiFi System Components ........................................................................... 23
5.1 VoWiFi Handset ..................................................................................................... 23
5.2 Access Point (AP) .................................................................................................. 23
5.3 Controller ............................................................................................................... 23
5.4 RADIUS Server ....................................................................................................... 24
5.5 Integrated Wireless Messaging and Services (IMS3)............................................ 24
5.6 Unite Connectivity Manager (Unite CM) ............................................................... 26
5.7 Portable Device Manager (PDM) ........................................................................... 26
5.8 VoIP Gateway/Gatekeeper .................................................................................... 26
5.9 SIP Proxy Server .................................................................................................... 27
6 Administration Tools ................................................................................................... 27
7 Connection to Other Systems ...................................................................................... 27
7.1 System Solution When Connected to IP-PBX ...................................................... 28
7.2 System Solution When Connected to Traditional PBX ......................................... 28
8 Related Documents ..................................................................................................... 29
9 Document History ........................................................................................................ 30
Appendix A: Ascom User Documentation ..................................................................... 32
7 September 2011 / Ver. G
TD 92313EN