一
at+cpin?
+CPIN: READY

OK
at+cgdcont=1,"ip,"cmnet"
ERROR
at+cgdcont?
+CGDCONT: 1,"IP","CMNET","",0,0

OK
at%etcpip?
%ETCPIP:1,"172.17.25.232",,"221.6.4.67","221.6.4.66"

OK
at%ipopen?
%IPOPEN:

OK
at%ipopen="tcp","
ERROR
at%ipclose=1
OK
at%ipclose=5
OK
at
OK
at
OK
at+csq
+CSQ: 28,99

OK
at+csq
+CSQ: 28,99

OK
at+cgscont？
EXT: I

ERROR
at+cgdcont?
+CGDCONT: 1,"IP","CMNET","",0,0

OK
at%etcpip=,,1
OK
%IPCLOSE: 5
at%ipopen="tcp","202.206.1.83",80
ERROR: 21
at%ipopen="tcp","202.206.1.26",80
ERROR: 21
at%etcpip?
%ETCPIP:0,,,,

OK
at%etcpip=,,1
OK
at%etcpip?
%ETCPIP:1,"172.16.116.236",,"221.6.4.66","221.6.4.67"

OK
at%ipopen="tcp","202.206.1.26",80
CONNECT
at%ipsend="0102030450"
%IPSEND:15

OK
at%txstate?
%TXSTATE:
1,1,1
2,0,0
3,0,0

OK
at%
ERROR
at
OK
at%ipsend="01020304ef"
%IPSEND:15

OK
at%dnsr="www.baidu.com"
ERROR: 24
at%dnsr="www.baidu.com"
ERROR: 24
at%ipopen?
%IPOPEN:"TCP","202.206.1.26",80,4103

OK
at%ipsend="010203040506"
%IPSEND:15

OK
at%ipclose?
%IPCLOSE: 1,0,0

OK
at%ipclose=1
%IPCLOSE: 1

OK
at%ipclose=5
OK
at%etcpip?
%ETCPIP:0,,,,

OK
at%etcpip=,,1
OK
%IPCLOSE: 5
at%etcpip=,,1
OK
%IPCLOSE: 5
at%etcpip=,,1
OK
%IPCLOSE: 5
at%etcpip?
%ETCPIP:0,,,,

OK
at%etcpip?
%ETCPIP:0,,,,

OK
at%etcpip=,,1
OK
%IPCLOSE: 5
at%etcpip=,,1
OK
%IPCLOSE: 5
at
OK
at+cpin?
+CPIN: READY

OK
at+cgdcont?
+CGDCONT: 1,"",,"",0,0

OK
at+cgdcont=1,"ip","cmnet"
OK
at%etcpip=,,1
OK
%IPCLOSE: 5
at%ipopen="tcp","202.206.1.26",23,,4098
ERROR: 21
at%ipopen="tcp","202.206.1.26",23
ERROR
at%ipopen?
%IPOPEN:

OK
at%etcpip?
ERROR
at%etcpip?
%ETCPIP:0,,,,

OK
at+cgdcont?
+CGDCONT: 1,"IP","cmnet","",0,0

OK
at%etcpip=,,1
OK
%IPCLOSE: 5
at%etcpip?
%ETCPIP:0,,,,

OK
at%etcpip=,,1
OK
at%etcpip?
%ETCPIP:1,"172.16.34.99",,"221.6.4.66","221.6.4.67"

OK
at%ipopen="tcp","202.206.1.26",23
CONNECT
%IPDATA:3,"FFFD18"
%IPDATA:1024,"FFFA1801FFF0FFFB01FFFB03FFFB00FFFD1FFFFD001B5B481B5B4A1B5B6D1B5B31
3B31481B5B481B5B4A1B5B313B33366D2020202020202020202020202020202020202020201B5B33
316DA6E6201B5B33376DBBB6D3ADDDB0C1D9BAD3B1B1B4F3D1A7D1E0D5D4424253D5BE201B5B3331
6DA6E60D0A202020201B5B33346D57656C636F6D6520746F2059616E5A68616F2042756C6C657469
6E20426F6172642053797374656D202842425329206F6620486542656920556E6976657273697479
0D0A0D0A2020202020202020202020202020202020202020202020202020201B5B33316D5D652020
20202020202020202020202020202E7A2C0D0A20202020202020202020202020202020202020202E
7A7A2020202E6127202020202020202020202020202020206040270D0A2020202020202020202020
202020202020202020205D40202020644C5F5F2C20202020202020202020202020205D4020202020
202020294C0D0A202020202020202020202020202020202020205F7A61407E7E5D407E7E27202020
2020202020202020202020205D405F7A202020202064720D0A202020202020202020202020202020
202020202222602D5F2E644C20202E202020202020202020202020205F7A4040407E2060404C2E61
270D0A202020202020202020202020202020202020205F20296440407E7E27207C20202020202020
2020202020205D4040405B202020604040400D0A2020202020202020202020202020202020206040
202020205F5F5F202E4C7A27202020202020202020202020205D4040405B202060404C0D0A202020
20202020202020202020202020207A7A402029407E7E5D40505D402220202020202020202020205F
5F2D404022202020206440404C0D0A2020202020202020202020202020202020227E5D5F60405F5F
645B2E604C2020202020202020202E727E222E205D407A7A2C205D407E5D404C0D0A202020202020
2020202020202020202020205F645B207E407E7E2720207E4065202020202020202020202061205D
407222275D7E22206040500D0A2020202020202020202020202020202020297E2722202020202020
2020202020202020202020202020205D407A64405F2020272020202020270D0A2020202020202020
202020202020202020202020205F5F2020205F5F2C20202E5F2C202020202020202E257E7E7E7E7E
7A4C5F0D0A20202020202020202020202020202E5F7A22202020607E202020607E202020605D4062
20202020205F2527202020202020227E2D2D5F5F0D0A2020202020202020202020202020207E2720
2020202020202020202020202020207E272020202020222020202020202020202020207E40404040
40407A7A0D0A0D0A0D0A1B5B33326DBDCCD3FDCDF83A6262732E6862752E65"
%IPDATA:371,"64752E636E20B9ABD6DACDF83A6262732E6862752E636E202074656C6E6574B6CBB
FDA20323320777777B6CBBFDA2038301B5B6D0D0A1B5B32313B31481B5B6D1B5B6D1B5B313B33356
DBBB6D3ADB9E2C1D91B5B313B33336DA1BE20D1E0D5D442425320A1BF201B5B313B33326DB1BED5B
ED2BBB9B2BFC9D2D4C8C3201B5B313B33366D34303030301B5B6D201B5B313B33326DC8CBD7A2B2E
1CAB9D3C31B5B6D0D0A1B5B313B33326DC4BFC7B0C9CFD5BEC8CBCAFD3A201B5B313B33366D20373
5311B5B313B33326D5BD7EEB8DF3A1B5B313B33366D20313230351B5B313B33326D5D281B5B313B3
3366D3732391B5B313B33326D20575757204755455354292C61646420602E2720616674657220796
F757220494420666F7220424947351B5B6D0D0A1B5B313B33336DC7EBCAE4C8EBB4FABAC51B5B6D2
8CAD4D3C3C7EBCAE4C8EB20271B5B313B33366D67756573741B5B6D272CD7A2B2E1C7EBCAE4C8EB2
71B5B313B33316D6E65771B5B6D27293A20"
at%ipsend="0102030104ef"
%IPSEND:15

OK
%IPDATA:1,"EF"
at%ipsend="01020304ef"
%IPSEND:15

OK

OK
at%ipsend="0102030104ef"
%IPSEND:14

OK
at%ipsend="01020304ef"
%IPSEND:13

OK
at%iptxstate?
EXT: I

ERROR
at%xstate?
EXT: I

ERROR
at%txstate?
%TXSTATE:
1,4,1
2,0,0
3,0,0

OK
如上，刚连接上时，怎么会有一连串数据回返呢？
而且，之后发送4次数据，是否可以看出数据成功发送4次，可成功接受仅一次？
其中，第一次发送的，为何返回“%IPDATA:1,"EF"”，默认缓存不打开的情况，有效数据为何是“EF”呢，这怎样理解呢？


二
这是第二种端口连接，发现返回“发送窗口大小”始终是15，不像第一次那样依次减一：
at%ipopen="tcp","202.206.1.26",80
CONNECT
at%ipsend="01020304ef"
%IPSEND:15

OK
at%ipsend="0102030405ef"
%IPSEND:15

OK
at%txstate?
%TXSTATE:
1,2,2
2,0,0
3,0,0

OK
三：
而且，我实现不了你的这样返回结果
AT%IPSEND="683100310068c90896060000027400000100e416"

%IPSEND:15

OK
%IPDATA:20,"683100310068C90896060000027400000100E416"