Thanks. It make perfect sense. I was just curious why the manager app is needed. Since the phone can see 4 AP at the same time, when it wants a call to be handed over to a different AP, couldn't it just send a re-invite to Asterisk and call it a day?
>Wai, > >The IP address is really on the access points, since they are the SIP >part of the solution. Let me see how well I can explain this, The >access points register to a manager application, running on one AP, >and the phones have a hard coded DECT id and register to the same >manager app. The manager actually performs the connection to the >Asterisk system and all the access points have IP's and each phone an >account on Asterisk. In a handover the manager app routes the SIP >traffic to the AP that the handset is on and as the caller moves the >phone detects other AP's and picks a new AP. That AP coordinates with >the manager app to re-route the sip/rtp. In testing so far, you cannot >tell the hand off occurred, even while watching the signal meters on >the phone, there is no noticeable audio loss. There has to be a fair >overlap in coverage, they say around -60db to -70db in signal you >should have another AP and the phone can see up to 4 APs at a time. >Each AP can handle 8 voice channels so you have to keep that in mind >also. So did that make sense. > -- > Bruce Reeves > Nortex Networks >
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