Voice over IP

Hi all,In my VoIP network, I am using  CUCM 7 and Cisco IP  Phones (7942/7970). I have two Servers ( One is using as Primary  and another as Secondary).I am using a Bridge number from one of the ISP and usind that to connect my meeting place server i...

Hello Guys, I am working on a project of implementation of CUBE.I have to work with multi-VRF.* 1 VRF for the LAN* 3 VRF for the WANI 'll set the VRF on sub-Interface. This point is ok. But the blocked point is the redundancy. With ISR 4331, we have ...

I am researching the proper switch configurations for Shortel Phone connections. The phone will go direct to the switchport. This is not one that has a PC and Phone where you trunk and have a voice and data vlan. I cannot find anything definitive sta...

Hi Tea Does 2811 router support 7941-7961 Cisco phones? cause under telephony services i cant seem them, only 7940, we are running advancedipservices IOS and we have all the firmware installed. Thanks Mo

В системе CUCM был телефонный аппарат с временной лицензией. Срок временной лицензии истек, в следствии этого стал ограничен фунционал call manager. Ни добавить, ни удалить пользователей/телефоны не дает. Как удалить телефон, чтобы освободить лицензи...

We have the below config on one of our routers and the IP of this interface is 192.168.25.1. We are trying to implement VRRP but this is causing the bind to be established to the physical IP of the interface, not the virtual IP. Is there any way to c...

Hello Is there any way to reduce the volume of the ringing in the analog phone on the spa8000 G1 Regards, Jose 

Hello folks, I have a cisco ip phone 8865 at home and I want to connect it by VPN to the work telephony system which run asterisk, any idea how to do this, at home I only have a normal router, it is not a cisco router. In my work I have a VPN server...

When we add users to self service in Call Manager, some of the user's self service ID shows extension plus *01. Does anyone knows what this means?example:  ext64031*01

How can I enhance the IPUC security? Can I deploy the in-line firewall between the CallManager and VG? Should I deploy the ISE + cert. auth. on ip-phone?

I am trying to make sure I can calculate bandwidth requirements for different vocoders correctly.  Looking at G.711 with a sample size of 240, I get the right bandwidth for Frame Realy with and without cRTP.  But ethernet gives me trouble.  I am usin...

Hi ,i need to configure QOS for traffic and allocate 30% for this in congestion time but if this traffic use just  20% or 15% i need to  use remaining=g in the default calls . which  QOS method is the best to  meet this requirement? Thank you  in a...