What is the role of a SIP registrar How is the role of an SIP registrar differentfrom
Chapter 7, Problem R16(choose chapter or problem)
What is the role of a SIP registrar? How is the role of an SIP registrar differentfrom that of a home agent in Mobile IP?
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer