[cisco-voip] SIP 79x0 phones and SIP on CM in general

[Fred Fern]

I'm curious what the disadvantages are of using a 79x0 as opposed to a 79x1
phone for SIP. As I understand it I'll need to add the SIP dialplan and
assign it to each phones however this does not seem like that big of a deal
when faced with upgrading hardware? I understand they lack the horsepower to
load the KPML however what else am I loosing if my clients hang onto their
old phones for SIP?



Also, pardon my ignorance but what am I gaining by running SIP as opposed to
SCCP? CM will act as a SCCP/SIP gateway so what else do I gain by going pure
SIP for my endpoints? I'm not completely onboard with the theory that SIP is
going to be the savior of IPT, IPC or whatever you'd like to call it, so far
it's just been a thorn in my side. I'd be more apt to jump on the bandwagon
if someone can explain what all the hype is (third party phones excluded;
AFAIK, they screw you with the licensing in the end so nothing really gained
there)? FYI… I'm not completely ignorant of SIP but certainly NOT an expert
yet and I'm just not getting it I guess. I know this is a pretty broad
question so I'd appreciate any insight you can provide.

FF
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