Hi,I am facing one of the hardest problems. i am totally unaware of this type of problem. There is one way sound between IP Phone to IP phone in the same location.there is no firewall in between.Sometimes there are sound both ways sometimes one way. ...

we are facing multiple issue with jabber. 1. there are multiple cluster of UC configured with ILS . European user are able to login in INDIA but Indian user is not able to login IN Europian country. do i have to enable somethign on firewall between e...

how the call flow of SIP, H.323, MGCP, SCCP works?

i am trying to change the background image of CIPC but getting fail, as phone is not changing the background image. i have used directory Desktops/320x212x16 and Desktops/320x212x12 both for same picture. attached is for your referances. list file...

if we get the Cisco Edge and Core certificates signed by a certifying authority (like GoDaddy), would those work fine with Cisco?