telephone volume, please help to translate.

[foong]

Dien thoai a ta (person's name) bam nho nho. em khong biet bam lon lon. anh dien cho em. em khong biet. bay gio em nhin thay anh dien thoai cho em. em dien thoai lai anh khong bat may.

[Baristan]

Dien thoai a ta (person's name) bam nho nho. em khong biet bam lon lon. anh dien cho em. em khong biet. bay gio em nhin thay anh dien thoai cho em. em dien thoai lai anh khong bat may.

the ring of A TA's phone is very small. I don't know how make the volume higher. so when you call me, I couldn't hear the ring. and then I saw miss call on my phone and I called you but you didn't answer the phone.

[foong]

Thank You, Baristan