IP Telephony and Phones

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I have a local network with 7 SG300-28PP 28-port Gigabit PoE+ Managed Switches and 1 SG500 24 port Gigabit PoE+ switch (main switch). One of the SG300 is having issues connecting Cisco IP Phones 7940 to the voice vlan. I have defined Vlan 2 as voice ...

Hello,   I’m trying Jabber MRA, User can login internally without any issue. I have setup the Expressway C and E. traversal zone is active. And everything look OK as per the guide.   The only thing that I have is my customer did not create the SRV re...

Hi, Does Dialer interface support CEF switching in ISR platform 15.5M&T train ? In very old documents indicate dialer would not support CEF, but fast switching. I cannot find out latest update information in terms of this point on CCO now. Here I ca...