IP Telephony and Phones

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Do we have any specific parameters to be setup in CUCM for blind transfer to be enabled from Cisco hard phones (for transferring to SIP based external PSTN users). (SCCP phones in CUCM uses an annunciator software device that is often located with an...

Hello,I'm trying to change the CUCM host name to an IP address under System/Server, but when I click Save I get this error message - "Update failed. [2010] DirectorySync service cannot be activated on Cisco Unified Communications Manager, Business Ed...

justins by Beginner
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Hi AllI currently have an issue where when a call comes in via PSTN from a specific number and the call is transferred to another internal extension One way audio happens. It appears that after the transfer the transferred caller can no longer hear a...

Seraph22 by Beginner
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                   I have a 7962 phone that is working on CUCM 8,5 as soon as i tried to force it to register with GW it fails. I know it could be several things on the network however looking at Status messages and console logs from phone web page i...

Hi all,I need your help.Working scenario: IP phone1 - IP phone2 - CFA - CUBE - Provider Non-working scenario: PSTN - IP Phone2 - CFA - CUBE - ProviderEvery time if an PSTN Phone call a Phone with CFA (Cellphone) I got a 403 Forbidden message from th...

Hi,I understand that the license will have to be regenerated in case of IP address change of cucm.But how about if I only change the netmask with ip unchanged '?Do I still need to regenerate the license and reinstall it?Thanks!