IP Telephony and Phones

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I have a new ATA 187 and i have it setup in a SIP config on our CME, but i cant get it to update to the newer load i havebackroundwhen i was first setting up the CME i set the first ATA as a SCCP but it did not work, that one did upgraded its load wh...

Hi, guys. I really need your help. I have Phones--CUCM--CME--SIP provider. Outgoing calls from phones are working fine, but incoming calls to CME  dont work. When Im calling a number of company from outside, CME routes call to CUCM, and CUCM to Phone...