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Update fax_retry.lua (#4756) 

Setting ignore_early_media=true has a better chance of success for T38 fax transmissions. 

Setting this as a fax variable in default settings is enough for most cases where a successful transmission occurs on the first attempt. However if fax retries are needed this variable was ignored until now.

This change ensures that IF the user sets ignore_early_media=true as a default fax setting it will also be used for fax retry scenarios when T38 is enabled. If ignore_early_media is not set to true then the changes here are ignored thus minimizing risk.
This commit is contained in:
Andy-Seattle 2019-10-21 12:02:49 -07:00 committed by FusionPBX
parent 1c87245645
commit cf6c940e73
1 changed files with 35 additions and 7 deletions
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40
resources/install/scripts/fax_retry.lua
View File

@ -149,6 +149,15 @@
storage_path = storage_path:gsub("${voicemail_dir}", voicemail_dir);
end
end
ignore_early_media = "false";
if (settings['fax']['variable'] ~= nil) then
for i, var in ipairs(settings.fax.variable) do
--freeswitch.consoleLog("notice", "variable #" .. i .. ": " .. var .. "\n");
if (var == "ignore_early_media=true") then
ignore_early_media = "true";
end
end
end
end
--be sure accountcode is not empty
@ -462,7 +471,11 @@
if (hangup_cause_q850 ~= 17) then
fax_retry_attempts = fax_retry_attempts + 1;
end
cmd = "originate {fax_retry_attempts="..fax_retry_attempts..","..originate_same..",fax_use_ecm=true,fax_enable_t38=true,fax_enable_t38_request=true,fax_disable_v17=false,fax_busy_attempts='"..fax_busy_attempts.."',api_hangup_hook='lua fax_retry.lua'}"..fax_uri.." &txfax('"..fax_file.."')";
if (ignore_early_media == "true") then
cmd = "originate {fax_retry_attempts="..fax_retry_attempts..","..originate_same..",fax_use_ecm=true,fax_enable_t38=true,fax_enable_t38_request=true,ignore_early_media=true,fax_disable_v17=false,fax_busy_attempts='"..fax_busy_attempts.."',api_hangup_hook='lua fax_retry.lua'}"..fax_uri.." &txfax('"..fax_file.."')";
else
cmd = "originate {fax_retry_attempts="..fax_retry_attempts..","..originate_same..",fax_use_ecm=true,fax_enable_t38=true,fax_enable_t38_request=true,fax_disable_v17=false,fax_busy_attempts='"..fax_busy_attempts.."',api_hangup_hook='lua fax_retry.lua'}"..fax_uri.." &txfax('"..fax_file.."')";
end
elseif (fax_retry_attempts == 2) then
--send t38 off, ECM on
@ -478,8 +491,11 @@
if (hangup_cause_q850 ~= 17) then
fax_retry_attempts = fax_retry_attempts + 1;
end
cmd = "originate {fax_retry_attempts="..fax_retry_attempts..","..originate_same..",fax_use_ecm=false,fax_enable_t38=true,fax_enable_t38_request=true,fax_disable_v17=true,fax_busy_attempts='"..fax_busy_attempts.."',api_hangup_hook='lua fax_retry.lua'}"..fax_uri.." &txfax('"..fax_file.."')";
if (ignore_early_media == "true") then
cmd = "originate {fax_retry_attempts="..fax_retry_attempts..","..originate_same..",fax_use_ecm=false,fax_enable_t38=true,fax_enable_t38_request=true,ignore_early_media=true,fax_disable_v17=true,fax_busy_attempts='"..fax_busy_attempts.."',api_hangup_hook='lua fax_retry.lua'}"..fax_uri.." &txfax('"..fax_file.."')";
else
cmd = "originate {fax_retry_attempts="..fax_retry_attempts..","..originate_same..",fax_use_ecm=false,fax_enable_t38=true,fax_enable_t38_request=true,fax_disable_v17=true,fax_busy_attempts='"..fax_busy_attempts.."',api_hangup_hook='lua fax_retry.lua'}"..fax_uri.." &txfax('"..fax_file.."')";
end
elseif (fax_retry_attempts == 4) then
--send t38 off v17 [slow] on ECM off
@ -545,13 +561,25 @@
else
--Success
if (fax_retry_attempts == 0) then
fax_trial = "fax_use_ecm=false,fax_enable_t38=true,fax_enable_t38_request=true,fax_disable_v17=default";
if (ignore_early_media == "true") then
fax_trial = "fax_use_ecm=false,fax_enable_t38=true,fax_enable_t38_request=true,ignore_early_media=true,fax_disable_v17=default";
else
fax_trial = "fax_use_ecm=false,fax_enable_t38=true,fax_enable_t38_request=true,fax_disable_v17=default";
end
elseif (fax_retry_attempts == 1) then
fax_trial = "fax_use_ecm=true,fax_enable_t38=true,fax_enable_t38_request=true,fax_disable_v17=false";
if (ignore_early_media == "true") then
fax_trial = "fax_use_ecm=true,fax_enable_t38=true,fax_enable_t38_request=true,ignore_early_media=true,fax_disable_v17=false";
else
fax_trial = "fax_use_ecm=true,fax_enable_t38=true,fax_enable_t38_request=true,fax_disable_v17=false";
end
elseif (fax_retry_attempts == 2) then
fax_trial = "fax_use_ecm=true,fax_enable_t38=false,fax_enable_t38_request=false,fax_disable_v17=false";
elseif (fax_retry_attempts == 3) then
fax_trial = "fax_use_ecm=true,fax_enable_t38=true,fax_enable_t38_request=true,fax_disable_v17=true";
if (ignore_early_media == "true") then
fax_trial = "fax_use_ecm=true,fax_enable_t38=true,fax_enable_t38_request=true,ignore_early_media=true,fax_disable_v17=true";
else
fax_trial = "fax_use_ecm=true,fax_enable_t38=true,fax_enable_t38_request=true,fax_disable_v17=true";
end
elseif (fax_retry_attempts == 4) then
fax_trial = "fax_use_ecm=false,fax_enable_t38=false,fax_enable_t38_request=false,fax_disable_v17=false";
else