IP Telephony and Phones

Hello, Can one of you explain call flow process via SIP, H.323,MGCP and SCCP, also let me know what are the differences in between these four Viz. SIP, H.323, MGCP and SCCP?

Hi All, We have deployed Cisco 8831 in our Remote site and we are facing frequent registration issues. We also have 7821 and 8945 deployed along with these phones but they have no issues. When we checked the syslog for the reason code, it had 10 & 24...

Hello everyone,              I've some Cisco IP Communicator devices configured on my CUCM 10.5. Every CIPC is identified by device name (SEP<MAC ADDR OF THE PC>). So when I open the CIPC software, CUCM doesn't require any kind of authentication. I w...

Hi Folks...! Did anyone faced issue while adding CVP in real-time monitoring tool (RTMT)? Scenario-1 Logged in with CUCM credentials in RTMT and getting error (Refer Scenario1_1.png and 1_2.png) Scenario-2 Logged in with CVP credentials in RTMT and...

I have a customer that needs to have their phones automatically dial a particular number if no digits are pressed after 10-15 seconds.  We are accomplishing this right now with our SCCP phones by having a blank translation pattern that points to an a...

Hi, we have installed serveral 7861 phones at a customer site and the voicemail button doesn't work. Dialing the voicemail pilot is ok.  The other models of phones have no issue with the voicemail button. I have played around with the voicemail profi...

I got a two qty of DX80 , i purchased CUWL PRO License is it supported or i need to buy TP room license?

Hi guys, We have an ATA187 that is connected to our MultiTech Fax Finder server. Every time we try sending a fax we get a log back from the FaxFinder telling us that the number is busy (even to numbers that we now that are not busy like the HP test f...

ATA 186 how do I lower the amount rings it takes to answer in the software configuration?

I can't see Contacts in my SmartPhone with Jabber over Mobile Remote Access. I did some test directly without XpressWay, Jabber direct to Presence Server, but it does not work. I have read about this and, I think, there are two ways to do this. 1....

Hi all,Today, our client faced issue in IP communiator. One way audio issue. 1. (On net call) when calling from cisco soft phone to cisco hard phone==> hard phone cannot hear any audio but soft can hear the audio.2. (On net call) when calling from ci...

hey all  please help me in this issue  i just made this configuration on router 2921 for CME  !voice register global mode cme source-address 192.168.20.2 port 5060 max-dn 100 max-pool 100 load 7821 sip78xx.10-3-1-12.loads load 8831 sip8831.9-3-3-5...

Is there any way i can get  missed call alerts to Exchange from CUCM?