Cisco 7841 multiple asterisk registration issue

Hi All,

Recently I brought cisco 7841 IP phone.I am able to register line 1 to my primary voIP server(Asterisk). But I unable to register line 2 to secondary server (Asterisk ).

Any please help me…

Note:No CUCM server available.

Please the below xml file I used.

<?xml version="1.0" ?> 
<device> 
<deviceProtocol>SIP</deviceProtocol> 
<sshUserId>root</sshUserId> 
<sshPassword>cisco</sshPassword> 
<devicePool> 
<dateTimeSetting> 
<dateTemplate>M/D/YY</dateTemplate> 
<timeZone>India Standard Time</timeZone> 
<ntps> 
<ntp> 
<name>192.168.1.1</name> 
<ntpMode>Unicast</ntpMode> 
</ntp> 
</ntps> 
</dateTimeSetting> 
<callManagerGroup> 
<members> 
<member priority="1"> 
<callManager> 
<processNodeName>Primary-ServerIP_1</processNodeName> 
<ports> 
<sipPort>5060</sipPort> 
</ports> 
</callManager> 
</member> 
</members> 
</callManagerGroup> 
</devicePool> 
<sipProfile> 
<natEnabled></natEnabled> 
<natAddress></natAddress> 
<sipProxies> 
<registerWithProxy>true</registerWithProxy> 
<outboundProxy></outboundProxy> 
<outboundProxyPort>5060</outboundProxyPort> 
<backupProxy></backupProxy> 
<backupProxyPort></backupProxyPort> 
</sipProxies> 
<preferredCodec></preferredCodec> 
<phoneLabel>TEST-LAB</phoneLabel> 
<sipLines> 
{line_loop} 
<line button="1"> 
<featureID>9</featureID> 
<featureLabel>Primary-Server</featureLabel> 
<proxy>Primary-ServerIP_1</proxy> 
<port>5060</port> 
<name>1120</name> 
<authName>1120</authName> 
<authPassword>1234</authPassword>
<sharedLine>true</sharedLine> 
<messageWaitingLampPolicy>3</messageWaitingLampPolicy> 
<messagesNumber>08*1120</messagesNumber> 
</line>

<line button="2"> 
<featureID>9</featureID> 
<featureLabel>Secondary-Server</featureLabel> 
<proxy>Secondary-ServerIP_2</proxy> 
<port>5060</port> 
<name>2120</name> 
<authName>2120</authName> 
<authPassword>1234</authPassword>
<sharedLine>true</sharedLine> 
<messageWaitingLampPolicy>3</messageWaitingLampPolicy> 
<messagesNumber>08*2120</messagesNumber> 
</line> 
{/line_loop} 
</sipLines> 
<dialTemplate>dialplan.xml</dialTemplate>
<softKeyFile>softkeys.xml</softKeyFile> 
</sipProfile> 
<loadInformation></loadInformation> 
<directoryURL></directoryURL> 
<vendorConfig> 
<webAccess>0</webAccess>
<sshAccess>0</sshAccess>
<softkeyControl>1</softkeyControl>
</vendorConfig> 
</device>

I have a few Cisco cp-7841 handsets I’d really like to get to work with Freepbx, can anyone offer any guidance on how to modify the firmware to suit. @maheshtelemedia are you able to expand on how you managed to upload your mods to the handset? Any advice appreciated.