SIP TCP or UDP
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02-15-2016 07:11 PM - edited 03-17-2019 05:53 AM
Hi all,
In Cisco Phone Security Profile, We have two options TCP and UDP transportation Type. So, Any body know what are the different between TCP vs UDP SIP? what are the limitation and advantage of each one?
Thanks
Thuc
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Other IP Telephony
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02-15-2016 08:33 PM
one is connection oriented (TCP) on isnt (UDP). the SIP signalling inside is identical.
SIP itself is connection oriented by itself, so theoretically it doesnt matter if you use TCP or UDP
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02-15-2016 11:06 PM
Hi Dennis,
I mean that what are the difference between their phone features?
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02-16-2016 01:53 PM
There are no differences in phone features. Same features, just transported with a different Layer 4 protocol.
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02-16-2016 03:36 AM
Nguyen, TCP or IDP are transport protocols for sip messaging. It doesn't impact phone features. Generally sip over udp is preferable, because it's such a light protocol however if you are in an environment where your sip messages will be larger over the traditional 1500 bytes of traffic then it is better to use tcp to a avoid fragmentation of sip packets by udp
