Unified Communications Infrastructure

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Hi, when we are running the SIP trunk between CUCM and IMP in secure mode the presence status in Jabber will not change to "on a call" although the SIP trunk is in Full service. When we change the SIP trunk back to unsecure the status "on a call" i...

This is a denial-of-service through SIP traffic.  I am guessing that Unity doesn't use SIP and isn't vulnerable.   I see that the upgrade file (UCSInstall_UCOS_10.5.2.15900-8.sgn.iso) is the same for CM and Unity.  I saw in one of the docs that this ...

Resolved! NO DSP problem

Hi everyone i've been struggling with a cisco 2811 router and fxo lines which is very strange i think . every 1 week , 2 FXO ports of voice gateway become off-hook until i administratively shutdown and the no shutdown the ports . i dont know what is ...

nima_sa by Level 1
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