a)Whenever ABC Mother's telephone number 0751-12345678 calls the SZ access number, IP-01 will send an iptel call to the member ABC with the callerID "Mother" <1111>.
b)Whenever ABC Sister's telephone number 0752-22334455 calls the SZ access number, IP-01 will send an iptel call to the member ABC with the callerID "Sister" <2222>.
1) Create two files in the directory /persistent/etc as follows: