IP Telephony and Phones

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hi all,We use the cisco 6921 and several other types of phones for example 7975.Next weekend the phones have to display 1 hour later.Funny thing is that only the 6921 is displaying the "summer time" now already (instead of next weekend)It has 9.3.3 f...

I've successfully installed a Unity Connection 9.0 cluster on UCS C220-MS3 platforms and subsequently upgraded it to 9.1.I created a port group and I'm trying to add 48 ports to that port group. When I do this I get the following message:"Port limit ...

Dear Team,Sometime I am facing issue with VM mailbox  while importing to unity server ,  when i assign VM proofile  to extension  in device profile and trying to import in unity connection server it does not display and in that case i have to create ...

We have uploaded a new MOH file on the CUCM server. The new file is played when user is placed on HOLD. However the file does not get played from the start, it plays from anywhere in the middle, each time from a different place, any idea? MOH is unic...

 Hello all,Many of our customers are running on CUCM ver8 & ver9.We are planning to push them to upgrade Unified products on ver 10. Can any body share the key differences between ver9 & ver10 ?what technical or non-technical points we should explain...

000049: Oct 26 14:51:04.181: %VOICE_IEC-3-GW: H323: Internal Error (H323 Interworking Error): IEC=1.1.127.5.21.0 on callID 261 GUID=80316352D0FE011E02002302A5CCB8F9000050: Oct 26 15:24:50.315: %CALL_CONTROL-6-CALL_LOOP: The incoming call has aglobal ...