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SIP Port udp or tcp

Hello,

This should be easy to determine, but I seem to find conflicting info. on the Internet.

Does SIP use TCP 5060 or UDP 5060?

Thanks

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4 REPLIES 4
Beginner

SIP Port udp or tcp

UDP. 100%

Hall of Fame Master

SIP Port udp or tcp

Savoy Wilson wrote:

UDP. 100%

Not always. SIP can use both protocols. For example, Cisco mobile on iPhone, uses TCP exclusively.

Beginner

SIP Port udp or tcp

OK. 99%

Hall of Fame Master

Re: SIP Port udp or tcp

Sure. It only takes 1 bit wrong to make thing fail in networking.