[cisco-voip] SCCP vs SIP vs MGCP firmware for IP Phones

[Voll, Scott]

Currently the only way to run a SIP image on your phone is to use CM 5.0
or a third party like Asterisks.  MGCP is basically used form a VG to
the CM.  I don't know if you can MGCP to a phone.  the nice thing about
SIP is that it is basically standards based.

 

Scott

 

________________________________

From: cisco-voip-bounces at puck.nether.net
[mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of
steve.siltman at assurant.com
Sent: Friday, July 21, 2006 1:39 PM
To: cisco-voip at puck.nether.net
Subject: [cisco-voip] SCCP vs SIP vs MGCP firmware for IP Phones

 


We have a small ip phone shop and all our phones run SCCPxx.x.  I've
been asked why we don't change the firmware on our phones to SIP.  I've
been doing some reading on this but theres a few simple things I don't
understand.  To switch an IP phone from SCCP to SIP or MGCP, can I just
apply that firmware or are there other considerations or pre-reqs?   Do
I need to purchase a different phone that will only run SIP firmware?
Is there a comparison sheet out there that shows the pro's and con's for
each of these types?  I'd love to run SIP firmware only for the ease of
reading sniffer traces.   

Any comments appreciated. 

Thanks, 

Steve Siltman
Assurant, Inc.
Senior Network Analyst
Work: 651-361-4752
Cell: 651-336-5563
steve.siltman at assurant.com 

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