Voice over IP

At Head Office ,Cisco call manager express version 4 is running in core router and also tftp and dhcp server both are running in same router.I mean IP phones are getting IP and downloading phone firmware from CME router.Now what we are looking to imp...

Hey All ,    I have issue with MOH service on CUCM 7.0 .The issue appear  when I try to put some one on the hold ? some time the one how on hold he can hear the music and some time he does not hear the music . i did restarted for some serivces relate...

Hi everybody.1)  Based on my book, there are two ways we calculate required bandwidth using cisco online tool.   We can  calculate required wan bandwidth using Erlangs,grade of service, codec type etc.  The bandwidth thus calculated is based on maxim...

We have two internet connections, one for voice and one for data, we are  using IPSLA to provide failover between the two, however if the voice  link fails we always have to run "clear xlate" to get the phones to come  back online

I am trying to determine if Cisco 6921 phones are actually compatible with Inline Power (Cisco pre-standard).  I have seen multiple data sheets from Cisco that say that they are, and then others that say that they only support 802.3af.  They are 6.3w...

I have a 1760 router with voice (c1700-ipvoicek9-mz.124-15.T11.bin) working fine.I am trying to use a translation rule on one of my FXS ports to redirect all fax calls from that line but it is not working.  I want any number called from this line to ...

Hello Group.  I have this unique problem.  I have a SIP trunk setup to Broadworks.  I have it configured using a Pilot TN for the trunk users which are basicly other TNs (Visualize it as Parent-child relationship).  This trunk is configured to regist...

Hi Has anyone had any experience configuring QoS on catylst switches for Mitel phones?  I am hoping to classify voice traffic using COS 5(as per cisco phones).The mitel 5220 phones support CDP, so I have configured my test switch port as follows.inte...

After troubleshooting and looking through logs, I think I found it.  SIP fixup appears to be working but the RTP ports specified in the SIP Invite are not being opened by the ACL.4|Mar 29 2012|13:33:45|106023|<<VENDOR ADDRESS 1>>|8290|<<USER ADDRESS ...

HI All,I need your expertise on following questions, I appreciate in advance for your timeWe just purchased cisco 2960 for our VoIP needs and we are using polycom phones,  and Phone and Computer will use same port.Since Polycom phones are capable wor...

i have re install my call manager so now i put the time of standerd Time . my all phone showing Rong time. can any help me to set this Time. i allready restart the TIME/Date butt is still showing rong time.

how do i create script to locate  dialed 800 & 911 number from all of my 6 sites, voice gateways configured in MGCP, all sites are meshed with MPLS [ PNT] wan, through blogs i have an idea  we can run a  sql command on pub or sub  to get desired resu...