IP Telephony and Phones

Hi all,This will be my first post here, though i do spend a lot of time going through these forums! I'm new to VoIP/Telephony, but have been working in networking for a while now. I have a problem though. One of our recent projects was to install a U...

Hello,so my understanding is that now the software for CUCM 8.x and Unity Express 8.x is free. You just have to purchase licenses now correct?  Can someone tell me what the smallest number of licenses for each that can be purchased?Thanks in advance!...

We had an employee leave us and then come back. Her Exchange account was never deleted but her Unity account was. We reactivated her Exchange account but I cannot find the user through Unity anymore.They do not show up under Subrcribers that exist no...

Hello everyone..We have a Cisco 3845 configured as gateway router with H.323.Now , we have DID configured in our network. Our IP phones have 2 lines configured one for Internal VOIP calls and second for DID outbound calls.Now, problem is in the DID c...

I have a CUCM 7.1 . which is a single SIP trunk & its working fine. But there is a new issue are arrige ......like . we have a IPTSP number like 096XXXXX.but i got new IPTSTP number like 096YYYYY. so is there any chance to do in a single SIP trunk i ...

Hi,I need to upgrade CUCM clusters from 6.1.4.1000-10 to 8.6.2a.I used the refresh upgrade procedure described in the release notes of 8.6.2a.We have to kind of hardware 7835-H1 and 7845-H2Theses hardwares are compliant with 8.6.2a for bridge upgrade...

Hello,I have a CUCM 8.6(2a) and Windows 7 64-bit PCs which have to use TAPI client.On each startup of the PC Windows UAC Feature has to be confrmed (see attached screenshot)I have seen lots of enties for UAC and CUPC or CUIC, but nothing for TAPI.Is ...

Hi all,I  am trying to  ivestigate a problem wiht our E1 trunk with 10 channels.  For some time  we noticed that some numbers we dial out does not come  through, instead  there is a message on the screen of the phone Unknown  Number. Afer  analysing ...

Dear NetPro gurus,With CUPC (version 8.0), if my client is using softphone mode, then it is easy.  All i need to to create a new CSF Device for each user.But if all of their users already have a Cisco Phone on their desk, and if they are using DeskPh...