Asterisk Server ANI based routing.

For example if ANI contains all alphabat then add tech prefix 555 before dialed no 2: if ANI contains Alpha Numaric then add tech prefix 666 3: if ANI contains + sign then add tech prefix then add tech prefix 777 4: if ANI contains nothing then add tech 888 5: if ANI contains one numeric digit then add tech 991 6: if ANI contains two numeric digit then add tech 992 7:if ANI contains three numeric digit then add tech 993 8: if ANI contains four numeric digit then add tech 994 9: if ANI contains five numeric digit then add tech 995 10: if ANI contains six numeric digit then add tech 996 11: if ANI contains one alphabet digit then add tech 441 12: if ANI contains two alphabets digit then add tech 442 13: if ANI contains three alphabets digit then add tech 443 14: if ANI contains four alphabets digit then add tech 444 15: if ANI contains five alphabets digit then add tech 445 16: if ANI contains six alphabets digit then add tech 446 I also want to route according to country code like Saudi Arabia is +966 there should be one rule where I could add country code and techprefix shuld be 444 like +966 ( Saudi Arabia) and +971 ( UAE ) one rule capable of adding multiple country codes as per requirement tech prefix should be only 444 for all country codes