使用FXO卡配合asterisk及freepbx将固定电话信号转为VoIP

Posted on Edited on In Word count in article: 27k Reading time ≈ 25 mins.

在本篇文章中，笔者尝试使用TDM410p FXO卡和freepbx，将固定电话的信号转换为了VoIP（SIP）协议，并使用SIP话机接打电话。

所需硬件

  • FXO卡一块，比较便宜的解决方案是TDM410p，红色的是FXO卡（接墙上的电话线），绿色的是FXS卡（接电话机终端），我们所需的是FXO卡，购买前需要注意有些卡是PCI接口的，可能需要另外买PCI转PCIe的转接卡。淘宝上的单口FXO卡大约200元一块。笔者买了某淘宝店的单口FXO组合板（一张PCI接口的单口FXO卡，和一张PCI转PCIe转接卡组合在了一起）
  • 主机一台，由于TDM410p的硬件规格太老，似乎无法在PVE上进行pcie直通，因此笔者用了一台旧电脑直接安装了FreePBX发行版。（根据网上的讨论，fxo及freepbx对机器的性能要求很低，甚至十多年前的酷睿2+2G内存都能正常运行）
  • （可选）若干台IP电话，可在闲鱼上以「思科/Cisco IP电话」之类的关键词搜索。大概能搜到60-100元一台的CP7900或CP8900系列的电话机，价格甚至比某些接RJ11的传统电话机还便宜。

配置

FXO卡

FXO卡的硬件是通过dahdi进行驱动的，freepbx已经自带了这些驱动，理论上插上fxo卡之后，dahdi就能识别出来了。同时，我们也可以通过dahdi_scan来验证一下：

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[root@freepbx]# dahdi_scan 
[1]
active=yes
alarms=OK
description=Wildcard TDM410P
name=WCTDM/0
manufacturer=Digium
devicetype=Wildcard TDM410P
location=PCI Bus 03 Slot 01
basechan=1
totchans=4
irq=0
type=analog
port=1,FXO
port=2,none
port=3,none
port=4,none

在freepbx网页界面的Connectivity-DAHDI Configuration，在弹出的提示里点enable，然后重载asterisk和dahdi。

如果确认卡能识别出来的话，随后运行dahdi_genconf -vv，dahdi会生成asterisk需要的一些channel配置文件（如/etc/asterisk/dahdi-channels.conf），我们还需要在/etc/asterisk/chan_dahdi_channels_custom.conf里添加一行#include dahdi-channels.conf（这行很可能在freepbx重载的时候被删掉，如果遇到了打出电话的时候提示no channel available之类的错误的话，可以检查一下）。

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#include dahdi-channels.conf

此时我们可以在命令行界面进入asterisk的命令行（asterisk -rvvv），检查一下dahdi的channel运行状态：

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freepbx*CLI> dahdi show channels
Chan Extension       Context         Language   MOH Interpret        Blocked    In Service Description
pseudo                 default                    default                         Yes
1                 from-analog     cn         default                         Yes

修改callerid的识别方式

这一步主要是为了让asterisk能识别出打进来电话的callerid（呼叫方的电话号码），一般中国大陆使用的callerid广播方法主要是FSK和DTMF两种。如果不清楚运营商用的是哪种callerid的话，可以用dahdi_monitor 1 -v -r rx.wav -t tx.wav的命令对FXO口录音，随后给FXO口对应的电话打一个电话，并用软件观察录制的波形。具体的波形例子可以在这个链接里找到。由于笔者这边的运营商使用的是FSK（特征是先有若干个小峰，0.5秒左右后跟着一个一个听起来很像宽带拨号声音的音频），因此我们需要在DAHDI Configuration的页面右边的Global Settings里添加（或修改）以下项目：

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cidsignalling=bell
cidstart=ring
opermode=CHINA

随后在System Settings里面把tone reigon改成China，添加：

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defaultzone=cn
loadzone=cn

保存并重启asterisk和dahdi，如果不放心也可以在命令行运行fwconsole restart重启整个freepbx服务。

随后的配置和笔者的上一篇文章类似，添加extension（分机），trunk（选dahdi trunk），inbound route和outbound route即可。

连接Cisco IP电话（可选）

为cisco ip电话建立的extension（分机）需要用chan_sip（而不是pjsp）建立才能正常拨打和接听电话。chan_sipe可以在freepbx的Settings-Advanced settings-SIP Channel Driver里启用（设置成both即可）。

升级电话为SIP固件

先去Cisco的支持网站下载固件（需要注册一个免费的账号，下载固件选择SIP固件，zip结尾的）。

下载后解压为如下形式：

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.
├── BOOT894x.0-0-2-0.bin.sgn
├── SIP894x.9-4-2SR3-1.bin1.sgn
├── SIP894x.9-4-2SR3-1.bin10.sgn
├── SIP894x.9-4-2SR3-1.bin11.sgn
├── SIP894x.9-4-2SR3-1.bin2.sgn
├── SIP894x.9-4-2SR3-1.bin3.sgn
├── SIP894x.9-4-2SR3-1.bin4.sgn
├── SIP894x.9-4-2SR3-1.bin5.sgn
├── SIP894x.9-4-2SR3-1.bin6.sgn
├── SIP894x.9-4-2SR3-1.bin7.sgn
├── SIP894x.9-4-2SR3-1.bin8.sgn
├── SIP894x.9-4-2SR3-1.bin9.sgn
├── SIP894x.9-4-2SR3-1.loads

随后在此文件夹里新建一个名为XMLDefault.cnf.xml的文件，内容如下，并把需要升级的电话机型号那一行的内容改成上面固件的前缀（比如笔者需要用上面的固件升级CP 8945，那就修改<loadInformation585 model="Cisco 8945">SIP894x.9-4-2SR3-1</loadInformation585>这一行，并把内容改成SIP894x.9-4-2SR3-1）：

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<Default>
<autoRegistrationName>AUTO-REG</autoRegistrationName>
<autoRegistration>disabled</autoRegistration>
<selfProvisioningSecureMode>true</selfProvisioningSecureMode>
<adminProvisionMode>false</adminProvisionMode>
<ipAddressMode>0</ipAddressMode>
<ipPreferenceModeControl>0</ipPreferenceModeControl>
<ipMediaAddressFamilyPreference>0</ipMediaAddressFamilyPreference>
<callManagerGroup>
<name>Default</name>
<tftpDefault>true</tftpDefault>
<members>
<member  priority="0">
<callManager>
<name>cucmpub1</name>
<description>cucmpub1</description>
<ports>
<ethernetPhonePort>2000</ethernetPhonePort>
<sipPort>5060</sipPort>
<securedSipPort>5061</securedSipPort>
<mgcpPorts>
<listen>2427</listen>
<keepAlive>2428</keepAlive>
</mgcpPorts>
</ports>
<processNodeName>cucmpub1</processNodeName>
</callManager>
</member>
</members>
</callManagerGroup>
<TVS>
<members>
<member  priority="0">
<port>2445</port>
<address>cucmpub1</address>
</member>
</members>
</TVS>
<loadInformation548  model="Cisco 6911">SCCP6911.9-3-1-SR2-3</loadInformation548>
<loadInformation497  model="Cisco 6961">SCCP69xx.9-4-1-3SR2</loadInformation497>
<loadInformation614  model="Cisco TelePresence Profile 52 Dual (C60)"></loadInformation614>
<loadInformation616  model="Cisco TelePresence Profile 65 Dual (C90)"></loadInformation616>
<loadInformation558  model="Cisco TelePresence 400"></loadInformation558>
<loadInformation557  model="Cisco TelePresence 200"></loadInformation557>
<loadInformation628  model="IMS-integrated Mobile (Basic)"></loadInformation628>
<loadInformation30006  model="Cisco 7970">SCCP70.9-4-2SR1-1S</loadInformation30006>
<loadInformation684  model="Cisco 8851">sip88xx.11-5-1-18</loadInformation684>
<loadInformation593  model="Cisco Cius"></loadInformation593>
<loadInformation520  model="Cisco TelePresence 1100"></loadInformation520>
<loadInformation592  model="Cisco 3905">CP3905.9-4-1SR2-2</loadInformation592>
<loadInformation36217  model="Cisco 8811">sip88xx.11-5-1-18</loadInformation36217>
<loadInformation36225  model="Cisco 8865">sip8845_65.11-5-1-18</loadInformation36225>
<loadInformation36213  model="Cisco 7811">sip78xx.11-5-1-18</loadInformation36213>
<loadInformation645  model="Universal Device Template"></loadInformation645>
<loadInformation36207  model="Cisco TelePresence MX700"></loadInformation36207>
<loadInformation115  model="Cisco 7941">SCCP41.9-4-2SR1-1S</loadInformation115>
<loadInformation480  model="Cisco TelePresence 3200"></loadInformation480>
<loadInformation648  model="Cisco Unified Communications for RTX"></loadInformation648>
<loadInformation30016  model="Cisco IP Communicator"></loadInformation30016>
<loadInformation36043  model="Cisco DX70"></loadInformation36043>
<loadInformation30032  model="SCCP gateway virtual phone"></loadInformation30032>
<loadInformation496  model="Cisco 6941">SCCP69xx.9-4-1-3SR2</loadInformation496>
<loadInformation610  model="Cisco TelePresence Profile 42 (C20)"></loadInformation610>
<loadInformation36227  model="Cisco TelePresence MX800 Dual"></loadInformation36227>
<loadInformation478  model="Cisco TelePresence 1000"></loadInformation478>
<loadInformation308  model="Cisco 7961G-GE">SCCP41.9-4-2SR1-1S</loadInformation308>
<loadInformation540  model="Cisco 8961">sip8961.9-4-2SR2-2</loadInformation540>
<loadInformation309  model="Cisco 7941G-GE">SCCP41.9-4-2SR1-1S</loadInformation309>
<loadInformation613  model="Cisco TelePresence Profile 52 (C60)"></loadInformation613>
<loadInformation30019  model="Cisco 7936">cmterm_7936.3-3-21-0</loadInformation30019>
<loadInformation481  model="Cisco TelePresence 500-37"></loadInformation481>
<loadInformation12  model="Cisco ATA 186">ATA030204SCCP090202A</loadInformation12>
<loadInformation36216  model="Cisco 8821"></loadInformation36216>
<loadInformation412  model="Cisco 3951">SIP3951.8-1-4a</loadInformation412>
<loadInformation690  model="Cisco TelePresence MX300 G2"></loadInformation690>
<loadInformation583  model="Generic Multiple Screen Room System"></loadInformation583>
<loadInformation365  model="Cisco 7921">CP7921G-1.4.6.3</loadInformation365>
<loadInformation30035  model="IP-STE"></loadInformation30035>
<loadInformation586  model="Cisco 8941">SCCP894x.9-4-2SR2-2</loadInformation586>
<loadInformation369  model="Cisco 7906">SCCP11.9-4-2SR1-1S</loadInformation369>
<loadInformation582  model="Generic Single Screen Room System"></loadInformation582>
<loadInformation30018  model="Cisco 7961">SCCP41.9-4-2SR1-1S</loadInformation30018>
<loadInformation550  model="Cisco ATA 187">ATA187.9-2-3-1</loadInformation550>
<loadInformation608  model="Cisco TelePresence Codec C40"></loadInformation608>
<loadInformation36210  model="Cisco TelePresence IX5000"></loadInformation36210>
<loadInformation681  model="Cisco ATA 190">ATA190.1-2-2-003</loadInformation681>
<loadInformation495  model="Cisco 6921">SCCP69xx.9-4-1-3SR2</loadInformation495>
<loadInformation633  model="Cisco TelePresence Profile 42 (C40)"></loadInformation633>
<loadInformation585  model="Cisco 8945">SIP894x.9-4-2SR3-1</loadInformation585>
<loadInformation689  model="Cisco TelePresence MX200 G2"></loadInformation689>
<loadInformation446  model="Cisco 3911">SIP3951.8-1-4a</loadInformation446>
<loadInformation682  model="Cisco TelePresence SX10"></loadInformation682>
<loadInformation606  model="Cisco TelePresence Codec C90"></loadInformation606>
<loadInformation521  model="Transnova S3"></loadInformation521>
<loadInformation36241  model="Cisco TelePresence DX70"></loadInformation36241>
<loadInformation307  model="Cisco 7911">SCCP11.9-4-2SR1-1S</loadInformation307>
<loadInformation659  model="Cisco 8831">sip8831.10-3-1SR2-2</loadInformation659>
<loadInformation30  model="Analog Access">A001C030</loadInformation30>
<loadInformation47  model="Analog Access WS-X6624">A00204000013</loadInformation47>
<loadInformation51  model="Conference Bridge WS-X6608">C00104000003</loadInformation51>
<loadInformation40  model="Digital Access">D001M022</loadInformation40>
<loadInformation43  model="Digital Access WS-X6608">D00404000032</loadInformation43>
<loadInformation42  model="Digital Access+">D00303010033</loadInformation42>
<loadInformation61  model="H.323 Phone"></loadInformation61>
<loadInformation7  model="Cisco 7960">P0030801SR02</loadInformation7>
<loadInformation100  model="Load Simulator"></loadInformation100>
<loadInformation111  model="Media Termination Point Hardware">M00104000006</loadInformation111>
<loadInformation120  model="MGCP Station"></loadInformation120>
<loadInformation121  model="MGCP Trunk"></loadInformation121>
<loadInformation588  model="Generic Desktop Video Endpoint"></loadInformation588>
<loadInformation632  model="Cisco Cius SP"></loadInformation632>
<loadInformation647  model="Cisco DX650"></loadInformation647>
<loadInformation348  model="Cisco 7931">SCCP31.9-4-2SR1-1S</loadInformation348>
<loadInformation627  model="Cisco TelePresence MX300"></loadInformation627>
<loadInformation635  model="CTI Remote Device"></loadInformation635>
<loadInformation36235  model="Cisco Spark Remote Device"></loadInformation36235>
<loadInformation607  model="Cisco TelePresence Codec C60"></loadInformation607>
<loadInformation537  model="Cisco 9951">sip9951.9-4-2SR2-2</loadInformation537>
<loadInformation621  model="Cisco 7821">sip78xx.11-5-1-18</loadInformation621>
<loadInformation431  model="Cisco 7937">apps37sccp.1-4-5-7</loadInformation431>
<loadInformation376  model="Nokia S60"></loadInformation376>
<loadInformation375  model="Cisco TelePresence"></loadInformation375>
<loadInformation609  model="Cisco TelePresence Quick Set C20"></loadInformation609>
<loadInformation685  model="Cisco 8861">sip88xx.11-5-1-18</loadInformation685>
<loadInformation688  model="Cisco TelePresence SX80"></loadInformation688>
<loadInformation11  model="Cisco VGC Virtual Phone"></loadInformation11>
<loadInformation591  model="Cisco TelePresence 1300-47"></loadInformation591>
<loadInformation620  model="Cisco TelePresence TX9200"></loadInformation620>
<loadInformation10  model="Cisco VGC Phone"></loadInformation10>
<loadInformation484  model="Cisco 7925">CP7925G-1.4.8.4</loadInformation484>
<loadInformation617  model="Cisco TelePresence MX200"></loadInformation617>
<loadInformation562  model="Cisco Dual Mode for iPhone"></loadInformation562>
<loadInformation36239  model="Cisco TelePresence DX80"></loadInformation36239>
<loadInformation8  model="Cisco 7940">P0030801SR02</loadInformation8>
<loadInformation479  model="Cisco TelePresence 3000"></loadInformation479>
<loadInformation30027  model="Analog Phone"></loadInformation30027>
<loadInformation622  model="Cisco 7841">sip78xx.11-5-1-18</loadInformation622>
<loadInformation119  model="Cisco 7971">SCCP70.9-4-2SR1-1S</loadInformation119>
<loadInformation626  model="Cisco TelePresence SX20"></loadInformation626>
<loadInformation596  model="Cisco TelePresence TX1310-65"></loadInformation596>
<loadInformation577  model="Cisco 7926">CP7926G-1.4.8.4</loadInformation577>
<loadInformation564  model="Cisco 6945">SCCP6945.9-4-1-3SR2</loadInformation564>
<loadInformation604  model="Cisco TelePresence EX60"></loadInformation604>
<loadInformation36042  model="Cisco DX80"></loadInformation36042>
<loadInformation437  model="Cisco 7975">SCCP75.9-4-2SR1-1S</loadInformation437>
<loadInformation36232  model="Cisco 8851NR">sip88xx.11-5-1-18</loadInformation36232>
<loadInformation547  model="Cisco 6901">SCCP6901.9-3-1-SR2-2</loadInformation547>
<loadInformation404  model="Cisco 7962">SCCP42.9-4-2SR1-1S</loadInformation404>
<loadInformation435  model="Cisco 7945">SCCP45.9-3-1SR4-1S</loadInformation435>
<loadInformation302  model="Cisco 7985">cmterm_7985.4-1-7-0</loadInformation302>
<loadInformation612  model="Cisco TelePresence Profile 52 (C40)"></loadInformation612>
<loadInformation580  model="Cisco E20"></loadInformation580>
<loadInformation619  model="Cisco TelePresence TX9000"></loadInformation619>
<loadInformation575  model="Cisco Dual Mode for Android"></loadInformation575>
<loadInformation434  model="Cisco 7942">SCCP42.9-4-2SR1-1S</loadInformation434>
<loadInformation36224  model="Cisco 8845">sip8845_65.11-5-1SR1-1</loadInformation36224>
<loadInformation623  model="Cisco 7861">sip78xx.11-5-1-18</loadInformation623>
<loadInformation30028  model="ISDN BRI Phone"></loadInformation30028>
<loadInformation358  model="Cisco Unified Personal Communicator"></loadInformation358>
<loadInformation642  model="Carrier-integrated Mobile"></loadInformation642>
<loadInformation503  model="Cisco Unified Client Services Framework"></loadInformation503>
<loadInformation590  model="Cisco TelePresence 500-32"></loadInformation590>
<loadInformation493  model="Cisco 9971">sip9971.9-4-2SR2-2</loadInformation493>
<loadInformation652  model="Cisco Jabber for Tablet"></loadInformation652>
<loadInformation335  model="Motorola CN622"></loadInformation335>
<loadInformation436  model="Cisco 7965">SCCP45.9-4-2SR1-1S</loadInformation436>
<loadInformation683  model="Cisco 8841">sip88xx.11-5-1-18</loadInformation683>
<loadInformation505  model="Cisco TelePresence 1300-65"></loadInformation505>
<loadInformation584  model="Cisco TelePresence EX90"></loadInformation584>
<loadInformation36208  model="Cisco TelePresence MX800"></loadInformation36208>
<loadInformation611  model="Cisco TelePresence Profile 42 (C60)"></loadInformation611>
<loadInformation634  model="Cisco VXC 6215"></loadInformation634>
<loadInformation615  model="Cisco TelePresence Profile 65 (C60)"></loadInformation615>
</Default>

使用tftp64或者linux上的其他tftp软件host这个文件夹，打开电话机，手动配置一下电话机下载配置的tftp服务器的ip，等待大概半分钟之后，电话机就会开始从tftp服务器下载配置文件，并开始升级（屏幕上会显示）。

下发SIP配置

给电话机下发SIP配置同样需要用到tftp服务器（笔者推荐使用freepbx发行版里centos自带的tftp服务器，修改一下/etc/xinetd.d/tftp，重启xinetd就可以使用了）。如果需要了解更多配置选项，可以查阅https://usecallmanager.nz/sepmac-cnf-xml.html，此处笔者仅提供一个自己的Cisco电话机可用的配置：

首先新建一个XMLDefault.cnf.xml在，注意修改processNodeName和loadInformation一行（数字和固件号需要跟前文的那个xml匹配）

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<?xml version="1.0" ?>
<Default>
    <callManagerGroup>
        <members>
            <member priority="0">
                <callManager>
                    <ports>
                        <ethernetPhonePort>2000</ethernetPhonePort>
                        <mgcpPorts>
                            <listen>2427</listen>
                            <keepAlive>2428</keepAlive>
                        </mgcpPorts>
                    </ports>
                    <!--FREEPBX SERVER IP GOES HERE-->
                    <processNodeName>FREEPBX_IP</processNodeName>
                </callManager>
            </member>
        </members>
    </callManagerGroup>
    <!--Cisco IP Phone Firmware-->
    <loadInformation585 model="Cisco 8945">SIP894x.9-4-2SR3-1</loadInformation585>
    <authenticationURL></authenticationURL>
    <directoryURL></directoryURL>
    <idleURL></idleURL>
    <informationURL></informationURL>
    <messagesURL></messagesURL>
    <servicesURL></servicesURL>
</Default>

随后新建一个电话的hostname.cnf.xml，电话的hostname可以在电话的网络设置里看到，hostname需要全大写，根据自己的情况修改一下SIP的端口（freepbx的chan_sip的端口默认是TCP/UDP5160，TLS5161）和用户名密码：

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184
<device> 
   <deviceProtocol>SIP</deviceProtocol> 
   <sshUserId>cisco</sshUserId> 
   <sshPassword>cisco</sshPassword> 
   <devicePool> 
      <dateTimeSetting> 
      <dateTemplate>Y.M.D</dateTemplate>
      <timeZone>China Standard/Daylight Time</timeZone>
         <ntps> 
            <ntp> 
               <name>time.apple.com</name> 
               <ntpMode>Unicast</ntpMode> 
            </ntp>         
         </ntps> 
      </dateTimeSetting> 
      <callManagerGroup> 
         <members> 
            <member priority="0"> 
               <callManager> 
                  <ports> 
                     <ethernetPhonePort>2000</ethernetPhonePort> 
                     <sipPort>5160</sipPort> 
                     <securedSipPort>5161</securedSipPort> 
                  </ports> 
            <processNodeName>10.20.18.222</processNodeName>
               </callManager> 
            </member> 
         </members> 
      </callManagerGroup> 
   </devicePool> 
   <sipProfile> 
      <sipProxies> 
         <backupProxy></backupProxy> 
         <backupProxyPort>5160</backupProxyPort> 
         <emergencyProxy></emergencyProxy> 
         <emergencyProxyPort></emergencyProxyPort> 
         <outboundProxy></outboundProxy> 
         <outboundProxyPort></outboundProxyPort> 
         <registerWithProxy>true</registerWithProxy> 
      </sipProxies> 
      <sipCallFeatures> 
         <cnfJoinEnabled>true</cnfJoinEnabled> 
         <callForwardURI>x-serviceuri-cfwdall</callForwardURI> 
         <callPickupURI>x-cisco-serviceuri-pickup</callPickupURI> 
         <callPickupListURI>x-cisco-serviceuri-opickup</callPickupListURI> 
         <callPickupGroupURI>x-cisco-serviceuri-gpickup</callPickupGroupURI> 
         <meetMeServiceURI>x-cisco-serviceuri-meetme</meetMeServiceURI> 
         <abbreviatedDialURI>x-cisco-serviceuri-abbrdial</abbreviatedDialURI> 
         <rfc2543Hold>false</rfc2543Hold> 
         <callHoldRingback>2</callHoldRingback> 
         <localCfwdEnable>true</localCfwdEnable> 
         <semiAttendedTransfer>true</semiAttendedTransfer> 
         <anonymousCallBlock>2</anonymousCallBlock> 
         <callerIdBlocking>2</callerIdBlocking> 
         <dndControl>0</dndControl> 
         <remoteCcEnable>true</remoteCcEnable> 
      </sipCallFeatures> 
      <sipStack> 
         <sipInviteRetx>6</sipInviteRetx> 
         <sipRetx>10</sipRetx> 
         <timerInviteExpires>180</timerInviteExpires> 
         <timerRegisterExpires>3600</timerRegisterExpires> 
         <timerRegisterDelta>5</timerRegisterDelta> 
         <timerKeepAliveExpires>120</timerKeepAliveExpires> 
         <timerSubscribeExpires>120</timerSubscribeExpires> 
         <timerSubscribeDelta>5</timerSubscribeDelta> 
         <timerT1>500</timerT1> 
         <timerT2>4000</timerT2> 
         <maxRedirects>70</maxRedirects> 
         <remotePartyID>false</remotePartyID> 
         <userInfo>None</userInfo> 
      </sipStack> 
      <autoAnswerTimer>1</autoAnswerTimer> 
      <autoAnswerAltBehavior>false</autoAnswerAltBehavior> 
      <autoAnswerOverride>true</autoAnswerOverride> 
      <transferOnhookEnabled>false</transferOnhookEnabled> 
      <enableVad>false</enableVad> 
      <dtmfAvtPayload>101</dtmfAvtPayload> 
      <dtmfDbLevel>3</dtmfDbLevel> 
      <dtmfOutofBand>avt</dtmfOutofBand> 
      <alwaysUsePrimeLine>false</alwaysUsePrimeLine> 
      <alwaysUsePrimeLineVoiceMail>false</alwaysUsePrimeLineVoiceMail> 
      <kpml>3</kpml> 
      <phoneLabel>Cisco 8945</phoneLabel> 
      <stutterMsgWaiting>1</stutterMsgWaiting> 
      <callStats>true</callStats> 
      <silentPeriodBetweenCallWaitingBursts>10</silentPeriodBetweenCallWaitingBursts> 
      <disableLocalSpeedDialConfig>false</disableLocalSpeedDialConfig> 
    <sipLines>
      <line button="1">
        <featureID>9</featureID>
        <featureLabel>5111</featureLabel>
        <proxy>USECALLMANAGER</proxy>
        <port>5160</port>
        <name>SIP_USERNAME</name>
        <displayName>DISPLAYNAME</displayName>
        <autoAnswer>
          <autoAnswerEnabled>2</autoAnswerEnabled>
        </autoAnswer>
        <callWaiting>3</callWaiting>
        <authName>SIP_USERNAME</authName>
        <authPassword>SIP_PASSWORD</authPassword>
        <sharedLine>false</sharedLine>
        <messageWaitingLampPolicy>1</messageWaitingLampPolicy>
        <messagesNumber>*97</messagesNumber>
        <ringSettingIdle>4</ringSettingIdle>
        <ringSettingActive>5</ringSettingActive>
        <contact>SIP_USERNAME</contact>
        <forwardCallInfoDisplay>
          <callerName>true</callerName>
          <callerNumber>true</callerNumber>
          <redirectedNumber>true</redirectedNumber>
          <dialedNumber>true</dialedNumber>
        </forwardCallInfoDisplay>
      </line>
    </sipLines>
      <voipControlPort>5160</voipControlPort> 
      <startMediaPort>10000</startMediaPort> 
      <stopMediaPort>11000</stopMediaPort> 
      <dscpForAudio>184</dscpForAudio> 
      <ringSettingBusyStationPolicy>0</ringSettingBusyStationPolicy> 
      <dialTemplate>dialplan.xml</dialTemplate> 
      <softKeyFile></softKeyFile> 
   </sipProfile> 
   <commonProfile> 
      <phonePassword></phonePassword> 
      <backgroundImageAccess>true</backgroundImageAccess> 
      <callLogBlfEnabled>2</callLogBlfEnabled> 
   </commonProfile> 
   <loadInformation>SIP894x.9-4-2SR3-1</loadInformation> 
   <vendorConfig> 
      <disableSpeaker>false</disableSpeaker> 
      <disableSpeakerAndHeadset>false</disableSpeakerAndHeadset> 
      <pcPort>1</pcPort> 
      <settingsAccess>1</settingsAccess> 
      <garp>0</garp> 
      <voiceVlanAccess>0</voiceVlanAccess> 
      <videoCapability>0</videoCapability> 
      <autoSelectLineEnable>0</autoSelectLineEnable> 
      <webAccess>1</webAccess> 
      <daysDisplayNotActive>1,2,3,4,5,6,7</daysDisplayNotActive> 
      <displayOnTime>00:01</displayOnTime> 
      <displayOnDuration>00:01</displayOnDuration> 
      <displayIdleTimeout>00:01</displayIdleTimeout> 

      <spanToPCPort>1</spanToPCPort> 
      <loggingDisplay>1</loggingDisplay> 
      <loadServer></loadServer> 
      <sshAccess>0</sshAccess>
   </vendorConfig> 
   <userLocale> 
      <name></name> 
      <uid></uid> 
      <langCode>en_US</langCode> 
      <version>1.0.0.0-1</version> 
      <winCharSet>iso-8859-1</winCharSet> 
   </userLocale> 
   <networkLocale></networkLocale> 
   <networkLocaleInfo> 
      <name></name> 
      <uid></uid> 
      <version>1.0.0.0-1</version> 
   </networkLocaleInfo>    
   <deviceSecurityMode>1</deviceSecurityMode> 
   <authenticationURL></authenticationURL> 
   <directoryURL></directoryURL> 
   <servicesURL></servicesURL> 
   <idleURL></idleURL> 
   <informationURL></informationURL> 
   <messagesURL></messagesURL> 
   <proxyServerURL></proxyServerURL> 
   <dscpForSCCPPhoneConfig>96</dscpForSCCPPhoneConfig> 
   <dscpForSCCPPhoneServices>0</dscpForSCCPPhoneServices> 
   <dscpForCm2Dvce>96</dscpForCm2Dvce> 
   <transportLayerProtocol>2</transportLayerProtocol> 
   <capfAuthMode>0</capfAuthMode> 
   <capfList> 
      <capf> 
         <phonePort>3804</phonePort> 
      </capf> 
   </capfList> 
   <certHash></certHash> 
   <encrConfig>false</encrConfig> 
</device>

修改完后启动tftp服务器，在电话机上设置好tftp服务器后等待电话机完成注册，即可通过网络接打电话了。

参考