3G调试笔记之发送AT命令和APN配置

一、测试modem是否工作，是否可发送at命令

cat /dev/ttyUSB0 & 

echo "at+cgmi" > /dev/ttyUSB0

 

二、APN

 1、 Android的网络配置作为资源文件写入了XML(/frameworks/base/core/res/res/xml/apns.xml)，这个资源文件作为Android的默认apns配置，不建议修改该文件。 因为Apn的配置是根据不同的硬件产品而不同，所以为不同的硬件产品建立各自的配置文件(system/etc/apns-conf.xml) ，而不要去改动默认的配置文件(apns.xml)。

 2、TelephonyProvider.java

        该类用于设置APN，如果源码提供的设置不能满足你的要求，一般可以通过修改这个类来满足。initDatabase函数主要是用来读取apns.xml(com.android.internal.R.xml.apns)和/system/etc/apns-conf.xml文件中的配置数据,用此来初始化carriers表。

        以下是相对标准的APN配置，支持中国移动和中国联通的APN。

<?xml version="1.0" encoding="utf-8"?>
<!--
/*
** Copyright 2006, Google Inc.
**
** Licensed under the Apache License, Version 2.0 (the "License");
** you may not use this file except in compliance with the License.
** You may obtain a copy of the License at
**
**     http://www.apache.org/licenses/LICENSE-2.0
**
** Unless required by applicable law or agreed to in writing, software
** distributed under the License is distributed on an "AS IS" BASIS,
** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
** See the License for the specific language governing permissions and
** limitations under the License.
*/
-->

<!-- use empty string to specify no proxy or port -->
<!-- This version must agree with that in apps/common/res/apns.xml -->
<apns version="7">
    <apn carrier="T-Mobile US"
         mcc="310"
         mnc="260"
         apn="epc.tmobile.com"
         user="none"
         server="*"
         password="none"
         mmsc="http://mms.msg.eng.t-mobile.com/mms/wapenc"
    />

    <apn carrier="T-Mobile US 250"
         mcc="310"
         mnc="250"
         apn="epc.tmobile.com"
         user="none"
         server="*"
         password="none"
         mmsc="http://mms.msg.eng.t-mobile.com/mms/wapenc"
            />

    <apn carrier="T-Mobile US 660"
         mcc="310"
         mnc="660"
         apn="epc.tmobile.com"
         user="none"
         server="*"
         password="none"
         mmsc="http://mms.msg.eng.t-mobile.com/mms/wapenc"
            />

    <apn carrier="T-Mobile US 230"
         mcc="310"
         mnc="230"
         apn="epc.tmobile.com"
         user="none"
         server="*"
         password="none"
         mmsc="http://mms.msg.eng.t-mobile.com/mms/wapenc"
            />

    <apn carrier="T-Mobile US 310"
         mcc="310"
         mnc="310"
         apn="epc.tmobile.com"
         user="none"
         server="*"
         password="none"
         mmsc="http://mms.msg.eng.t-mobile.com/mms/wapenc"
            />

    <apn carrier="T-Mobile US 580"
         mcc="310"
         mnc="580"
         apn="epc.tmobile.com"
         user="none"
         server="*"
         password="none"
         mmsc="http://mms.msg.eng.t-mobile.com/mms/wapenc"
            />

    <apn carrier="T-Mobile US 240"
         mcc="310"
         mnc="240"
         apn="epc.tmobile.com"
         user="none"
         server="*"
         password="none"
         mmsc="http://mms.msg.eng.t-mobile.com/mms/wapenc"
            />

    <apn carrier="T-Mobile US 800"
         mcc="310"
         mnc="800"
         apn="epc.tmobile.com"
         user="none"
         server="*"
         password="none"
         mmsc="http://mms.msg.eng.t-mobile.com/mms/wapenc"
            />

    <apn carrier="T-Mobile US 210"
         mcc="310"
         mnc="210"
         apn="epc.tmobile.com"
         user="none"
         server="*"
         password="none"
         mmsc="http://mms.msg.eng.t-mobile.com/mms/wapenc"
            />

    <apn carrier="T-Mobile US 160"
         mcc="310"
         mnc="160"
         apn="epc.tmobile.com"
         user="none"
         server="*"
         password="none"
         mmsc="http://mms.msg.eng.t-mobile.com/mms/wapenc"
            />

    <apn carrier="T-Mobile US 270"
         mcc="310"
         mnc="270"
         apn="epc.tmobile.com"
         user="none"
         server="*"
         password="none"
         mmsc="http://mms.msg.eng.t-mobile.com/mms/wapenc"
            />

    <apn carrier="T-Mobile US 200"
         mcc="310"
         mnc="200"
         apn="epc.tmobile.com"
         user="none"
         server="*"
         password="none"
         mmsc="http://mms.msg.eng.t-mobile.com/mms/wapenc"
            />

    <apn carrier="T-Mobile US 220"
         mcc="310"
         mnc="220"
         apn="epc.tmobile.com"
         user="none"
         server="*"
         password="none"
         mmsc="http://mms.msg.eng.t-mobile.com/mms/wapenc"
            />

    <apn carrier="T-Mobile US 490"
         mcc="310"
         mnc="490"
         apn="epc.tmobile.com"
         user="none"
         server="*"
         password="none"
         mmsc="http://mms.msg.eng.t-mobile.com/mms/wapenc"
            />

    <!-- T-Mobile Europe -->
    <apn carrier="T-Mobile UK"
         mcc="234"
         mnc="30"
         apn="general.t-mobile.uk"
         user="t-mobile"
         password="tm"
         server="*"
         mmsproxy="149.254.201.135"
         mmsport="8080"
         mmsc="http://mmsc.t-mobile.co.uk:8002"
    />

    <apn carrier="T-Mobile D"
         mcc="262"
         mnc="01"
         apn="internet.t-mobile"
         user="t-mobile"
         password="tm"
         server="*"
         mmsproxy="172.028.023.131"
         mmsport="8008"
         mmsc="http://mms.t-mobile.de/servlets/mms"
    />

    <apn carrier="T-Mobile A"
         mcc="232"
         mnc="03"
         apn="gprsinternet"
         user="t-mobile"
         password="tm"
         server="*"
         mmsproxy="010.012.000.020"
         mmsport="80"
         mmsc="http://mmsc.t-mobile.at/servlets/mms"
         type="default,supl"
    />

    <apn carrier="T-Mobile A MMS"
         mcc="232"
         mnc="03"
         apn="gprsmms"
         user="t-mobile"
         password="tm"
         server="*"
         mmsproxy="010.012.000.020"
         mmsport="80"
         mmsc="http://mmsc.t-mobile.at/servlets/mms"
         type="mms"
    />

    <apn carrier="T-Mobile CZ"
         mcc="230"
         mnc="01"
         apn="internet.t-mobile.cz"
         user="wap"
         password="wap"
         server="*"
         mmsproxy="010.000.000.010"
         mmsport="80"
         mmsc="http://mms"
         type="default,supl"
    />

    <apn carrier="T-Mobile CZ MMS"
         mcc="230"
         mnc="01"
         apn="mms.t-mobile.cz"
         user="mms"
         password="mms"
         server="*"
         mmsproxy="010.000.000.010"
         mmsport="80"
         mmsc="http://mms"
         type="mms"
    />

    <apn carrier="T-Mobile NL"
         mcc="204"
         mnc="16"
         apn="internet"
         user="*"
         password="*"
         server="*"
         mmsproxy="010.010.010.011"
         mmsport="8080"
         mmsc="http://t-mobilemms"
         type="default,supl"
    />

    <apn carrier="T-Mobile NL MMS"
         mcc="204"
         mnc="16"
         apn="mms"
         user="tmobilemms"
         password="tmobilemms"
         server="*"
         mmsproxy="010.010.010.011"
         mmsport="8080"
         mmsc="http://t-mobilemms"
         type="mms"
    />

	<!-- Thanks to Haykuro for the additional APNs -->	
	<apn carrier="3services"
         apn="3services"
		 mmsc="mmsc.three.net.au:10021/mmsc"
		 mmsproxy="10.176.57.25"
		 mmsport="8799"
		 mcc="505"
		 mnc="06"
	/>
	
	<apn carrier="3"
	     apn="three.co.uk"
		 mmsc="http://mms.um.three.co.uk:10021/mmsc"
		 mmsproxy="mms.three.co.uk"
		 mmsport="8799"
		 mcc="234"
		 mnc="20"
	/>
	
	<apn carrier="o2 Internet"
	     apn="surfo2"
		 mmsc="http://10.81.0.7:8002"
		 mmsproxy="82.113.100.5"
		 mmsport="8080"
		 mcc="262"
		 mnc="07"
	/>
	
	<apn carrier="Airtel India"
	     apn="airtelgprs.com"
		 mmsc="airtelmms.com"
		 mcc="404"
		 mnc="90"
	/>
	
	<apn carrier="Beeline" 
				apn="internet.beeline.ru" 
				mcc="250" 
				mnc="99" 
				user="beeline" 
        password="beeline"
  />
  
  <apn carrier="Megafon" 
				apn="internet" 
				mcc="250" 
				mnc="02" 
				user="gdata" 
        password="gdata"
  />
  
  <apn carrier="MTS" 
				apn="internet.mts.ru" 
				mcc="250" 
				mnc="01" 
				user="mts" 
        password="mts"
  />
	
	<apn carrier="中国移动因特网设置" mcc="460" mnc="00" apn="cmnet" type="default"/>
	<apn carrier="中国移动WAP设置" mcc="460" mnc="00" apn="cmwap" proxy="10.0.0.172" port="80" type="default"/>
	<apn carrier="中国移动彩信设置" mcc="460" mnc="00" apn="cmwap" proxy="10.0.0.172" port="80" mmsproxy="10.0.0.172" mmsport="80" mmsc="http://mmsc.monternet.com" type="mms"/>
	
	<apn carrier="中国移动因特网设置" mcc="460" mnc="02" apn="cmnet" type="default"/>
	<apn carrier="中国移动WAP设置" mcc="460" mnc="02" apn="cmwap" proxy="10.0.0.172" port="80" type="default"/>
	<apn carrier="中国移动彩信设置" mcc="460" mnc="02" apn="cmwap" proxy="10.0.0.172" port="80" mmsproxy="10.0.0.172" mmsport="80" mmsc="http://mmsc.monternet.com" type="mms"/>

        <apn carrier="中国移动因特网设置" mcc="460" mnc="07" apn="cmnet" type="default"/>
	<apn carrier="中国移动WAP设置" mcc="460" mnc="07" apn="cmwap" proxy="10.0.0.172" port="80" type="default"/>
	<apn carrier="中国移动彩信设置" mcc="460" mnc="07" apn="cmwap" proxy="10.0.0.172" port="80" mmsproxy="10.0.0.172" mmsport="80" mmsc="http://mmsc.monternet.com" type="mms"/>


	<apn carrier="中国联通因特网设置" mcc="460" mnc="01" apn="uninet" type="default"/>
	<apn carrier="中国联通WAP设置" mcc="460" mnc="01" apn="uniwap" proxy="10.0.0.172" port="80" type="default"/>
	<apn carrier="中国联通彩信设置" mcc="460" mnc="01" apn="uniwap" proxy="10.0.0.172" port="80" mmsproxy="10.0.0.172" mmsport="80" mmsc="http://mmsc.myuni.com.cn" type="mms"/>
	<apn carrier="中国联通3G因特网设置" mcc="460" mnc="01" apn="3gnet" type="default"/>
	<apn carrier="中国联通3GWAP设置" mcc="460" mnc="01" apn="3gwap" proxy="10.0.0.172" port="80" type="default"/>
	<apn carrier="中国联通3G彩信设置" mcc="460" mnc="01" apn="3gwap" proxy="10.0.0.172" port="80" mmsproxy="10.0.0.172" mmsport="80" mmsc="http://mmsc.myuni.com.cn" type="mms"/>

</apns>