Explanation:SIP stands for Session Initiation Protocol. 3. Which of the following protocol is adopted for interoperability by top three IM service providers ?
A. SIP
B. SIMPLE
C. XMPP
D. IMPS
Answer:A
Explanation:SIP stands for Session Initiation Protocol. 3. Which of the following protocol is adopted for interoperability by top three IM service providers ?
A. SIP B. SIMPLE C. XMPP D. IMPS