Huawei espace 7810 Administrator's Manual page 21

Huawei IP Phone eSpace
7810&7820&7830&7850&7870&7803X
Administrator Guide
Parameter
How to INFO DTMF
DTMF Payload (Scope: 96~255)
100 reliable retransmission
Enable Precondition
Subscribe Register
Subscribe for MWI
MWI Subscription Period(Scope:
0~84600)(seconds)
Caller ID Header
Use Session Timer
Session Timer(seconds)
Refresher
Issue 01 (2011-12-31)
Description

Default value: RFC2833
Method for using SIP INFO to transmit DTMF
signals.
Payload for using RFC 2833 to transmit DTMF
signals.
Value range: 96 to 255
Default value: 101
Indicates whether to enable the PRACK function to
make the temporary SIP response (1xx signaling)
more reliable. The PRACK function must be enabled
for the PSTN network.
The value Enabled indicates that resources are
reserved. Details about this parameter are specified in
RFC 3262.
Indicates whether to enable the subscription function
for registration. This parameter is used to monitor
account registration when the IP Multimedia
Subsystem (IMS) system is involved.
Indicates whether to subscribe to the MWI service.
The value Enabled indicates that the IP phone
periodically sends subscription information to the
server to update the MWI status.
Validity period for the MWI service.
Default value: 3600
The options are FROM and PAI. FROM: The
calling number displayed on the called phone is
obtained from the FROM header.
PAI: The calling number displayed on the called
phone is obtained from the PAI header.
Indicates whether to update sessions as scheduled.
The IP phone periodically sends a re-INVITE request
to hold a session. The server uses the re-INVITE
request to monitor the session status. Details about
this parameter are specified in RFC 4028.
Interval for updating sessions.
Party who updates sessions. The value Uac indicates
that the client updates sessions, and the value Uas
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2 Single IP Phone Configuration
signals may not be transmitted at the same time
with media packets because SIP control signaling
and media packets are sent separately.
AUTO+SIP INFO: The DTMF signal
transmission type is determined by negotiation.
The type can be INBAND or RFC2833.
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