IP Telephony and Phones

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Hi Experts.I am new to ip telphony, and have been usinc Cisco packet tracer in all sort of telephony cenario. When i decided to use the real gear, a cisco 7940 ip phone, a catalyst 3550 and a router, i came accross all sort of issues.My first questio...

I was doing a port scan on my switch and notice that the port for my UCM server has two mac addresses.  And there is an IP address associated with each mac.  (See macs below.)  I went into Cisco Unified Operating System Administration and poked into ...

mmedwid by Level 3
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I have a customer that has 2811 router with a vwic2-4fxo.  There is a route pattern whose destination is a port on that fxo card, the cable of which is twisted directly into a self-amplified speaker series (without a paging interface).  I am all but ...