Asterisk Set and 10 CPS

Extensions.conf
s,4,Set(res=${SHELL(/usr/share/asterisk/agi-bin/wsay.sh ${dir})})

Debug
[Aug 17 15:43:05] WARNING[22673]: pbx.c:10731 pbx_builtin_saynumber: We were unable to say the number 1326
1327
11326
11327
13260
13261
13262
13263
13264
13265
13266
13267
13268
13269
13270
, is it too large?

At 10 cps, app SET is not working properly . It takes more than one meaning , and several, depending on the number of calls.

You haven’t provided enough information here. The debug you’ve provided doesn’t show the Set being invoked. It shows SayNumber. I’d suggest providing a description of what you are doing, what the script returns, and the complete output.