Huawei AR1200 Series Configuration Manual - Voice page 10

Huawei AR1200 Series Enterprise Routers
Configuration Guide - Voice
Voice Services Supported by the SIP AG
The SIP AG supports the basic voice service and developed services such as the three-party
service and call waiting service. Among these services, some voice services need to be
configured on the SIP AG.
Service Type
Basic voice service
Three-party service The third-party service allows a calling party or called
Call waiting
service
MWI service
Malicious call
identification
(MCID) service
Call transfer
service
Call conference
service
Calling line
identification
presentation
(CLIP) service
Calling line
identification
restriction (CLIR)
service
Distinctive ringing
service
Issue 03 (2011-09-30)
Introduction
The basic voice service is the basic call connection
function, including intra-office calls, local calls,
national toll calls, international toll calls, and transit
calls.
party in a conversation to call a third party without
ending the current conversation. Then the calling party
or original called party can implement a three-party
conversation or talk to the other two parties.
When user A is talking with user B over the phone and
at this moment user C is calling user A, user A hears a
call waiting tone, indicating that there is a call waiting
for user A.
The message waiting indicator (MWI) service allows a
user to read unread messages or leave messages. When
the called user is busy, the MWI is on, indicating that
there are leave messages.
The user that registers the MCID service with the carrier
can query the phone number of the attacker that initiates
malicious calls after performing relevant operations.
The call transfer service allows the called party to
transfer an incoming call to a third party by pressing the
hookflash so that the calling party establishes a
connection with a new called party.
The call conference service allows more than three
parties to communicate together.
The CLIP service displays the calling number in onhook
state or offhook state (for call waiting). The displayed
information includes the phone number, name, date, and
time.
The CLIR service displays the phone number of a
calling party on the terminal of a called party.
The distinctive ringing service plays different ring tones
for incoming calls.
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1 SIPAG Configuration
Configure
d on the
SIP AG or
Not
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
4