I believe Skype uses UDP or User Datagram Protocol.
I believe Skype uses UDP or User Datagram Protocol.
No, it'll work over any Internet Protocol (IP) based service including hardwired as Skype uses VoIP which stands for Voice over Internet Protocol.
Skype uses their own non-standard protocol, so no, you can't use Cisco or other SIP phones with it.
No. Skype is an encrypted protocol.
It is UDP the User Datagram Protocol.
TCP is a protocol that uses those.
A "computer phone" uses VOIP which stands for Voice over Internet Protocol. Skype and other computer phone applications uses this protocol.
The IMAP (Internet Message Access Protocol) email protocol usually uses port 143.
It uses ICMP.
Facebook uses the HTTP Protocol
address resolution protocol and reverse address resolution protocol
Skype can be considered as a instant messaging, video conferencing & VOIP call Voice over Internet Protocol providing website.