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VoIP - Calling With a SIP URI

63 bytes added, 16:43, 10 April 2019
m
'?' is put on the front of the number. Some caller id boxes will barf on this - I have one which lights the 'unavailable' label, and then displays the caller's number from the 'Name' field...
 
*You do need to use the hostname ''aa.org.uk'' as we use SRV records to direct the call, so using an IP address is not supported.
*The CLI is not trusted for such calls, so are sent to your SIP handset with a ? on the front of the number (which may confuse some caller ID display units), and not passed on if the call is diverted.
*So, for example, without any configuration or account details a softphone may call your A&A provided VoIP number, as shown in the image here.
*As mentioned, this does require the client (the phone you're calling from) to support SRV records.
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