IP Telephony and Phones

We configured a sip trunk between Call Manager(v7.1.5) to a nortel switch.  We are able to call from CCM to nortel fine using the sip trunk.  When the nortel side tries to call ccm using the sip trunk they get reorder.  Is there a way in rtmt using t...

HiI have CUCM-BE with Unity connection (Standard) ver.8.5.1.10000-26. Main number is answered by Unity and transferred to a hunt group. When the call is transferred you hear three beeps. I have configured a MOH on the Device Pool where the Voicemail ...

Hi Guys,the screen of the ip phone 7975 when in power shaver mode  flashes automatically when there is no call or anything..is there is any keepalives for that which can play with,,

Hi,We ip phones on remote branch registered with call manager version 7.1 through WAN connection, this branch have cisco 281 H323 voice gateway with FXO.When the ip phone receives call from the voice gateway through the FXO and tries to transfer it, ...

Let me attempt to explain this situation.We are utilizing a VoIP infrastructure. We have a 2821 with one pri connected to it. There are 3 vg224 which connects our analog equipments. Before we switched to VoIP our dispatch department had overhead pagi...

Hi friends of Netpro!I am trying to install the CUCM version 7 in a UCS c210m2 Server running ESXi 5.0 (only for study purposes), but I am having trouble with the installation, in the display of the virtual machine I get the error that I attached in ...

Hey All,I am seeking a CLI query that I can use to find all phones on my UCM by registration status.  In this case "Rejected"  I have UCM 7.1(5b).Thanks in advance.

We are going to be upgrading our CCM Software shortly to CCM 8.5. I heard from a colleague of mine, that this can be run from a VM? Is this a true statement? If so, we'd really like to. But with further inspection, I saw that they only do that for a ...

I have setup RightFax server v9.4 which call through CUCM6.1 to PSTN by using CA controlled t.38 protocol.scratch topology is here for Inbound/outbond. My fax number is DID number.RighFax (h323)<---------->CUCM (MGCP) <------------->GW (PRI) <-------...

We have one user whose phone does not display the correct date and time.  We tried going into the phone's manual date and time update, and were able to get the time closer but setting it 18 hours off, but the minutes are still off as is the date. Can...

Hi All,Hi,I am trying to implement Interoperability between CUCM and Siemens HiPath 3800, I have enable Qsig and completed all the required configuration,Detail's1.Controller E1 up2.Serial port up3.ISDN status is Multiple-frame-establishedMy problem ...

Dear All,I am trying to setup an Interoperability between CUCM and Siemens, my issue here is I am able to receive calls from Siemens but when I initiate call from cisco IP phone there was a single beep on the siemens phone then imidietlly it disconne...