HiI am using presence server and I have integrated with call manager.I am able to login with personal communicator but it showing offline.Can you please tell me how can i use personal communicator.Is there any configuration issue in presence?Please t...

HelloI want to know about call manager express.how to configure ip phone and there feature's through call manager express.Thanks & regardsAnkur Tyagi

HelloThere is a 6921 ip phone in the network.when we communicate form one ip phone to another ip phone then some sound comes into the ip phone.sounds like air.it is too noisy.I want to know that how can i cancil this sound.I have also enabled qos but...

hii want to know that how to configure qos in cisco 2960 switch.

helloI want to know that is there any license required for ATA(Analog Telephone Adaptar).how to configure ATA in CUCM?regardsAnkur Tyagi