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Double checking to see if you updated the Republic App and Republic Telephony App? Upgrading to Lollipop alone is not enough to fix delayed dialing and get other fixes.
This 2.1 release begins the fix for dialer delay. Note my explanation in another thread.
Republic App 2.1 began rollout release earlier today (12/1) with plans to be at 100% on Thursday if all goes well.
Republic Telephony is hidden system app on Lollipop devices (Moto E 2nd Gen., Moto X 2nd Gen. and Moto G 3rd Gen.). It, too, has a 2.1 update coming and it is this one that has post dial delay fix. This app update begins rollout on Thursday given Republic App goes well, with 100% by next Monday.
For a good look at whats going on. Go ahead and check out the latest google apps reviews. and sort by "newest".