IP Telephony and Phones

We have two new CP-8821's that need to get a factory reset. The problem is that the reset will not be accepted. Is there another way than true the menu or # + power and then 1 2 3 …

I have the following files for CUE 8.6 for the ISM:cue-installer.SPA.sme.8.6.12cue-vm-full-k9.SPA.sme.8.6.12.prt1cue-vm-installer-k9.SPA.sme.8.6.12.prt1cue-vm-k9.SPA.sme.8.6.12.keycue-vm-k9.SPA.sme.8.6.12.pkgcue-vm-k9.SPA.sme.8.6.12.pkg.install.srecu...

Hello , I have a cucm 12.5 and all the incoming number from the PSTN, are show as "Private"  I see in my logs  Call Info(Calling Number=4312278605(TON=Unknown, NPI=Unknown, Screening=Not Screened, Presentation=Restricted),Called Number=7118(TON=Unkno...

Hey guysI have configured IP phones using CUCM 12.5. Now the issue I am facing is that in outgoing call (IP phone to mobile and vice versa) I do receive call but unfortunately it ends within a second.I am sharing router's configuration, if anyone cou...

Hi ,My customer wants to have the following:When client hold "#" on IP Phone pad the Phone automatically place a call to some number(without press "dial" just hold the button "#" for a few seconds).Thanks.

Hi, we have a rather strange problem on a cluster unity connection 10.5.2 .according to user complaints, it turns out that all voicemail messages received are all automatically deleted once the last one is deleted.However, I could not reproduce this ...

We are setting up a phone system using 8861 handsets and MMP. As soon as you pick up the handset, the call window pops up and blocks the description of all of the line keys. I know you can manually minimize the call window when this happens, but is t...

Dears,Hope you are doing good, I have a question here that i am proposing key expansion module for 8865 IP phone  to the customer, i want to know the difference between the below, i read the datasheet but i didn't understood can anybody make me under...

Hello,I have a cucm 12.5 in my gateway I have configured an E1 R2 trunk, the issue is when I get a call number from the PSTN I don't see the incoming number I see the word "private" Thanks. 

Hello, I wanted to know that in order to connect phones to my ITSP using sip, do I need to use CUBE? or is there another way in CUCM I can do this without CUBE?

Hi!Very new to this forum, but just wanted to ask if anyone else have encountered similar issues with this device and what their end result/solution was. In April+- we had 2-4 phones that suddenly died in the same location "ish", mix between 7960 and...