grep --text ' ERROR '​​2017.06.08.log​​ | grep '12345678' | grep -Eo 'telephone=.*{11},p'| sort | uniq | wc -l

 

more -2019-12-11.log | grep -o "18123928678" | wc -l

{"phone":"18233166881"}

grep -o -E '' /tmp/phone.txt