Huawei EchoLife ET323 User Manual page 52

EchoLife ET523 IP Phone User Manual
Field
Subscribe for
MWI:
PUBLISH for
Presence
Proxy-Require
Voice Mail User
ID
Send DTMF
Early Dial
Dial Plan Prefix
Delayed Call
Forward Wait
Time
Enable Call
Features
Call Log
Description
The default value is No. When it is set to Yes, a SUBSCRIBE for
message waiting indication will be sent periodically.
The default value is No. If it is enabled, the SIP server should
support Presence before the function works.
SIP Extension notifies the SIP server that the unit is behind the
NAT/Firewall.
When this option is configured, the user can access messages by
pressing MSG. This ID is usually the VM portal access number.
This parameter specifies the mechanism to transmit DTMF
digits during the call.
Three modes can be supported:
In audio: Indicates DTMF is combined in audio signals (not

very reliable for low-bit-rate codec),
Via RTP (RFC2833)

Via SIP INFO

The default value is No. Use only if the proxy supports 484
response. The phone will send every dialed number till the digit
string is sent out wholly and successfully.
Set the prefix added to each dialed number.
This parameter adjusts the time delay before calls are forwarded.
The default value is 20 seconds.
For example: delayed call forwarding specifies the time before
a call is sent to a forwarded number or sent to voicemail.
If it is set to Yes, the call transfer, call forwarding and
Do-not-Disturb functions are supported locally.
There are three options, and the default value is Log All Calls.
Log All Calls: Log all the calls.

Log Incoming/Outgoing only: The missed call logs are not

displayed.
Disable Call Log: The call log is not displayed.

47
4 Configuration Guide