I have a 2800 SRST gateway on a tug, yes a tug. When at the jetty the 2800 router connects to my network over a wireless bridge and phones register with the callmanager on the "land" network.When the wireless bridge is un-plugged from the router or p...

I have three switches in a single VTP domain (I actually have lots but 3 will be for this example) A and B are vtp servers C is a client.I creat a VLAN100 on one switch A, this is propagated to the other switches. I set a port on C to be in VLAN100. ...

I set up a VPN LAN to LAN between a cisco 877 and a cisco 3000 concentrator. Internal IP calls between phones work ok . When i tried to call a mobile phone ,that usualy works ok, from the router side, the mobile rings but no conversation is establish...