SIM908 FTP issue "AT+FTPGET=1"

I am currently working on a project using SIM908 and I am facing issue with FTP command, I m trying to get files that is already on the server using "AT+FTPGET=1" but I get time out error " +FTPGET:1,64"

can anyone help ? below the AT commands sequence


AT+CSQ
+CSQ: 15,0

OK

AT+CREG?
+CREG: 0,1

OK
AT+CGATT?
+CGATT: 1

OK

AT+CSTT?
+CSTT: "CMNET","",""

OK

AT+CSTT="ETISALAT.AE","",""
OK

AT+CIICR
OK
AT+CIFSR
37.245.218.227

AT+SAPBR=2,1
+SAPBR: 1,3,"0.0.0.0"

AT+SAPBR=3,1,"CONTYPE","GPRS"
OK

AT+SAPBR=3,1,"APN","ETISALAT.AE"
OK

AT+SAPBR=1,1
OK
AT+FTPCID=1
OK
AT+FTPSERV="simcom.exavault.com"
OK
at+FTPUN="zyf"
OK
at+ftppw="zyf"
OK
AT+FTPGETNAME="11.txt"
OK
at+ftpgetpath?
+FTPGETPATH: "/"
at+ftpscont?
+FTPSCONT:0
+FTPSERV: "simcom.exavault.com"
+FTPPORT: 21
+FTPUN: "zyf"
+FTPPW: "zyf"
+FTPCID: 1
+FTPMODE: 1
+FTPTYPE: "A"
+FTPPUTOPT: "STOR"
+FTPREST: 0
+FTPGETNAME: "11.txt"
+FTPGETPATH: "/"
+FTPPUTNAME: "1k.txt"
+FTPPUTPATH: "/"
+FTPTIMEOUT: 0
OK

OK
at+ftpget=1
OK

+FTPGET:1,64

at+ftpget=1
OK

+FTPGET:1,64