Description: This module defines a MIB for Session Initiation Protocol (SIP)
wich is a signaling protocol for establishing VoIP calls.

SIP MIB
|+++ Clear Transaction Stats
|+++ Clear UA Stats
|+++ Active Proxy
|t++ Local Peers Registered
|t++ Phones Localy Registered
|+++ Transaction Stats Group
|    |+++ APIs invoked
|    |+++ Requests parsed
|    |+++ Responses parsed
|    |+++ Requests sent
|    |+++ Responses sent
|    |+++ Memory errors
|    |+++ Network errors
|    |+++ Protocol errors
|+++ Ua Stats Group
|    |+++ Calls Received
|    |+++ Remote Calls Established
|    |+++ Remote Calls Rejected
|    |+++ Calls Initiated
|    |+++ Calls Established
|    |+++ Calls Rejected
|    |+++ Calls Terminated
|    |+++ Transactions Sent
|    |+++ Transactions Received