Hi guys  I tried to renew the certificate for cisco express way E , i generate a CSR and sign it through Godaddy , when i try to upload the new root certificate and cerver cert , but it's faild , i receive the following message , please any one know ...

Hi guys    We have some IP Phones and jabber clients with a different DN's for a specific department , we want to assign a comman DN when any IP phone in the cluster dial this Comman DN , all the IP phone we specify under this comman DN will ring at ...

Hi guys  we have a call manager 12.5 ( PUB & SUB ) and uses a cisco ISR 4331 with 32 PVDM and UC license as H323 voice gatway with FXO and the ISR is providing DHCP to the IP Phones ... My quest is in order to add more IP Phones to the system , can i...

Hi guys    I Face an issue in the IMP V 12.5 , i found a msg says " Sync Completed, but currently failed to connect to the CUCM Database Monitor. " and i can't login to the servesability portal . Any good suggestions to solve it ? Thank you in advanc...

Hi guy We have two cisco UC clusters , the first one have ( CUCM 12.5 , IMP , UNITY , EXPRESSWAY C & E ) all working with jaber MRA . The second cluster have  ( CUCM 12.5 , IMP , UNITY ) . both clusters for the same company and the same domain .we ar...