Here is what I can see in log/apache2/error.log:
App 29413 stderr: Completed 200 OK in 18ms (Views: 11.0ms | ActiveRecord: 0.3ms)
App 29413 stderr: Started POST "/account" for 24.183.195.156 at 2016-07-13 14:16:35 -0700
App 29413 stderr: Processing by AccountsController#create as HTML
App 29413 stderr: Parameters: {"utf8"=>"✓", "authenticity_token"=>"6AtiIXfVMNfAq2J+hrjK6FBpAEXNBGGL8pKdUh8nQmsD+GSqSXZx5TG+uPtgZhSrX7RNMqhroNjZnwPbzqX1tw==", "phone"=>"true", "verification"=>{"mobile_phone"=>"7311111111", "carrier"=>App 29413 stderr: Rendered accounts/new_by_mobile.html.haml within layouts/signed_out (5.2ms)
App 29413 stderr: Rendered layouts/_favicons.haml (0.4ms)
App 29413 stderr: Rendered layouts/_footer_links.haml (0.7ms)
App 29413 stderr: Completed 200 OK in 27ms (Views: 10.0ms | ActiveRecord: 2.4ms)
App 29413 stderr: Started POST "/account" for 24.183.195.156 at 2016-07-13 14:16:50 -0700
App 29413 stderr: Processing by AccountsController#create as HTML
App 29413 stderr: Parameters: {"utf8"=>"✓", "authenticity_token"=>"GtMFXGBHM6/thUwH2S+O7S4mgVnpyFAPj0K+DeFMWxfxIAPXXuRynRyQloI/8VCuIfvMLoynkVykTyCEMM7syw==", "phone"=>"true", "verification"=>{"mobile_phone"=>"17311111111", "carrier"=App 29413 stderr: Rendered accounts/new_by_mobile.html.haml within layouts/signed_out (5.0ms)
App 29413 stderr: Rendered layouts/_favicons.haml (0.4ms)
App 29413 stderr: Rendered layouts/_footer_links.haml (0.6ms)
App 29413 stderr: Completed 200 OK in 22ms (Views: 9.6ms | ActiveRecord: 1.6ms)
App 29413 stderr: Started POST "/account" for 24.183.195.156 at 2016-07-13 14:17:03 -0700
App 29413 stderr: Processing by AccountsController#create as HTML
App 29413 stderr: Parameters: {"utf8"=>"✓", "authenticity_token"=>"kIy+mtBrb8AKemyqhCe8cHzSjpSNAmbMOW3vYAEV6K97f7gR7sgu8vtvti9i+WIzcw/D4+htp58SYHHp0Jdfcw==", "phone"=>"true", "verification"=>{"mobile_phone"=>"7311111111", "carrier"=>"AT&$p 29413 stderr: Rendered accounts/new_by_mobile.html.haml within layouts/signed_out (5.0ms)
App 29413 stderr: Rendered layouts/_favicons.haml (0.4ms)
e$p 29413 stderr: Rendered layouts/_footer_links.haml (0.7ms)
n$p 29413 stderr: Completed 200 OK in 24ms (Views: 9.7ms | ActiveRecord: 1.7ms)
App 29413 stderr: Started POST "/account" for 24.183.195.156 at 2016-07-13 14:17:11 -0700
e$p 29413 stderr: Processing by AccountsController#create as HTML
"$p 29413 stderr: Parameters: {"utf8"=>"✓", "authenticity_token"=>"cHV/JKp64SS2KEczubLXmX/8M3JIKEEBDGbBieEx9QCbhnmvlNmgFkc9nbZfbAnacCF+BS1HgFIna18AMLNC3A==", "phone"=>"true", "verification"=>{"mobile_phone"=>"7311111111", "carrier"=>"$p 29413 stderr: Rendered accounts/new_by_mobile.html.haml within layouts/signed_out (5.6ms)
App 29413 stderr: Rendered layouts/_favicons.haml (0.5ms)
App 29413 stderr: Rendered layouts/_footer_links.haml (0.7ms)
e$p 29413 stderr: Completed 200 OK in 26ms (Views: 11.2ms | ActiveRecord: 1.4ms)