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Discussion in '3CX Phone System - General' started by mahzaed, Oct 12, 2008.
Can you please explane the using of SIP ID in extensions settings?
The purpose of the sip id is to allow direct sip connections. It's possible to place a sip call with an identifier much like an email address. You could for example place a call to firstname.lastname@example.org rather than 61 2 555 12345.
See this link for details; http://www.3cx.com/support/sip-dns-configuration.html
Is there a way to find an updated link to this as the link above is broken? Am interested in trying to understand this more.
It also allows extensions to be reached by dialling the SIP ID. If you wanted extension 2013 to be reached by dialing 0 (zero) then you could give the extension a SIP ID of 0. My understanding, and it may be incorrect, is that SIP ID is looked up before extension number or outbound rules. So...an extension with a "full" PSTN number as it's SIP ID will be rung rather than the call being processed by the outbound rules. It allows some interesting options especially when combined with call forwarding.
Awesome. Thank you. It's just crazy to me figuring out that you can ultimately just call an email address.