The reason it rings 2-3 times before it connects internally is because you have the trunk type set up as Loop Start ICLID. Caller-ID is presented to the system between the 1st and 2nd ring. If you change the trunk type to Loop Start (without the ICLID) then the phones will ring internally from the first ring ... but you won't get Caller-ID. It's a cost value relationship ... Caller-ID cost 2-3 additional rings. Is there enough value for your customer to endure that cost?
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