Rich Adamson wrote:

Here is what I am attempting to do (which works well on Cisco Call Manger). I have some 7960's that have multiple lines on them. The second line specifically is a "helpdesk" line that is shared among multiple phones. Here is how I am making that line ring on multiple phones, maybe you have other suggestions:

exten => 135,1,Dial(SIP/[EMAIL PROTECTED]&SIP/[EMAIL PROTECTED],20,rt)

So this rings the second line on the phones that have the first line as 100 and 101. This works great. When someone leaves a voicemail, the messagelight will only light on the phone that was booted up last. Is there a way to make the light come on all of the helpdesk phones, with the second line icon displaying the correct mail icon?


I believe you'll find the phone that registered 'last' will be the
one that gets the vm lite (not the last reboot). If your phones re-register ever 3600 seconds, the last one gets the mwi indicator
and that will cause the mwi to move between phones over time. (Snom
phones had a similar problem some time ago.)


I believe the current implementation for vm notification is to use
a sip 'notify' message to turn on the mwi, and the sip protocol implementation within * does not support sending 'notify' messages to multiple phones. (E.g., how would * even know how many phones you are trying to ring via the above dialplan entry?)


I was hoping that asterisk would be able to sort that out. The neatest part about this setup is that this "shared extension" can have multiple calls going on. Example: on Cisco Call Manger if you have a shared extension between three phones and someone picks up the line, none of the other phones can use that extension. With SIP, If the same person picks up the line, so can the other two people. The message light working on all of the phones would be great!
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