Is all config set properly? Was the KEM type set on ATT console page? A separate topic would be preferred for MPP issues. ... View more

You can keep separate files on the server for each phone and it can be named ANY_NAME_PHONE_MAC_ADDRESS_ANY_NAME.xml Replace PHONE_MAC_ADDRESS with the mac address of the phones. And on the phone set profile rule as   http://serverip/ANY_NAME_$MAC_ANY_NAME.xml. $MAC is a macro and phone will replace it with its MAC address ... View more

Hello.   Did you change the tag values as mentioned in the previous reply? If yes, please send the modified xml. I would need PRTs to see what exactly you are configuring on both phones.    Are you performing a resync on phone B with  7841-3PCCXXX.xml instead of 7841-3PCC.xml?   Thanks. ... View more

You have used  <Extension_1_ ua="na">5555</Extension_1_> This is not supported. It has to be a number between 1 to 4 i.e. number of lines on the phone.   So for a 7841 -  <!-- available options: 1|2|3|4|Disabled -->   Please upgrade to the latest firmware for MPP - 11.2.3MPP.398 which is available on cisco.com. After this you can go to http://ipaddress/admin/cfg.xml Here you will see the available options for all tags and configure accordingly.   Thanks.  ... View more

What is the software version on the phone you have? If it is a MPP Phone then it is possible. Thanks. ... View more

What is the software version on this device? ... View more

I suggest you go through the MPP admin guides. Theres lot of information in it for configuring the phones.. You can generate the xml on the phone itself. Go to http://[IP_ADDRESS]/admin/cfg.xml   Thanks. ... View more