Cisco ATA 186 User Manual page 6

Chapter 1 Cisco ATA 186 Overview
SIP Specific Features
Table 1-3 SIP Features
Description
Authentication
DTMF Relay
Call Forwarding
Call Return
Call Transfer
Message Waiting Indication (MWI)
Third-party call control
OL-1267-01
Details
Digest Authentication
RFC 2833
Unconditionally, on no answer, or on busy
With or without consultation
Plays an intermittent dial tone if there is a message
waiting. Otherwise, plays a normal dial tone.
Cisco ATA 186 Installation and Configuration Guide
About the Cisco ATA 186
1-6