IP Telephony and Phones

If you have a H323 GW and only require G729 to be used e.g pign across a WAN do you really need any of the following?voice class codec 2 codec preference 1 g729r8 codec preference 2 g729br8 codec preference 3 g711ulawSince the default per dial-peer i...

Currently my customer is running Symantec Anti Virus version 8 on Cisco Call Manager version 4.1.7. He wants to upgrade to Symantec Anti Virus version 10. Is there any "catches" / "traps" in doing this or is it pretty straight-forward?

hi all,while meet-me conference i am not able to see the list of participants, while meet-me conference if i press ConfList Key it says " Key is not active" i tried to activate but i didnt find any option !!! can any one help me out for enable ConfLi...

Hallo, My voice gateway is registered on ccm4.2 as an MGCP gateway.Calls to and from the PSTN are working ok.The problem is when someone calls into the office,there is 2-step dialing.The call is supposed to terminate at the receptionist,so when u ca...

From the general views, the auto attendant features are similar between CME and CUE, but what the exact difference bewteen CME AA and CUE AA?

Users in two AD Domains will be using LDAP authentication. I have set up LDAP directories for both domains, but what would i set LDAP Manager Distinguised Name too? Also, would I simply add a second LDAP server to authentiate against?I have had spo...

Himy setup is as followsIP phone ----UCM6.1.3---h323---2811 with E1 card -----Nortel61cMy configs are as attached.i can make calls from nortel to Cisco and the calling name displays. However i cannot make calls from cisco to nortel, the nortel phone ...

Hi guys,Im having a problem on CCM 5.1 at the moment with phones and DST. The first generation phones have not updated the DST and are still an hour ahead, whereas the later phones have updated ok. The platform time is correct, as is the date time ...

5.1.3.4000-4 to 7.x doesn't work.I have a cd shiped from cisco the version is cisco-ipt-k9-patch7.0.2.20000-5Call Manager can find the cd to upgrade the system but there is an error at the end, it cant perform the upgrade ( error is attatch )I downlo...

Hardware: UC520Phones: IP7940Having an issue when transferring a call from one phone to another. Hit transfer, call transfers. No option to talk to the person you are transferring to, then hitting the transfer button.Appreciate any help.Thanks.

I have a voice gateway with a voice T1 circuit from a provider. I use dial peers to forward numbers to the call manager. I try to forward a specific number to a CTI route point but there is just silence on the line. It works if i use the operator hu...

Hi to all!Here's the issue?I had a sip 3911 registered on my cme (v. 7.1) and ios Version 12.4(22)YB4.I upgraded the phone firmware to 8-1-4a version. After doing it the phone registers and unregisters constantly, according to the debugs.The configur...

Hi, I am wondering the following:If we configure a SIP trunk, and on the providor equipment they specify the trunk IP Address (I assume of the Publisher) what happens in the event of a publisher failure? How will calls be made over the trunk?Can anyo...