Huawei eSpace 6805 Administrator's Manual page 23

Huawei IP Phone eSpace
6805&6810&6830&6850&6870
Administrator Guide
Field
Presence
Proxy-Require
Voice Mail UserID
Send DTMF
Early Dial
Dial Plan Prefix
Dial Plan
BLF Call-pickup
Prefix
Issue 01 (2012-06-20)
Description
must support the Presence function before the function works.
The SIP extension informs 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 the VM portal access number.
Mechanism to transmit DTMF digits during the call.
The following modes are supported:
 In audio: Indicates DTMF is combined in audio signals (not
reliable for low-bit-rate codec)

Via RTP (RFC2833)

Via SIP INFO
The default value is No. This parameter is used only when the proxy
server supports 484 responses. The phone sends every dialed number
until the digit string is sent wholly and successfully.
Set the prefix added to each dialed number. This prefix string is
added to each dialed number
The dialing rule specifies the number range allowed by eSpace 6870
and the abbreviated dialing numbers. The default value is { [*#x]+ }.
The rules are as follows:

The valid values are as follows: 1,2,3,4,5,6,7,8,9,0,*,#

Dialing rule:
 Instances:
Instance 1: {[369]11 | 1617xxxxxxx} -: indicates that the numbers
311, 611, and 911, and any eleven-digit numerals starting with
1617 are allowed to be dialed.
Instance 2: {^1900x+ | <=1617>xxxxxxx} -: indicates that any
number starting with 1900 is rejected to be dialed, and all
seven-digit numerals are prefixed with 1617 when being dialed.
 Set {x+} and allow all numbers to be dialed.
The default value is **. This prefix is used when answering call with
BLF event calls.
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2 Configuration and Loading Files
− x -: indicates a numeral ranging from 0
to 9.
− xx -: indicates a two-digit numeral
ranging from 00 to 99.
− ^ -: indicates that a call cannot be made.
− [3-5] -: indicates that the number 3, 4, or
5 can be dialed.
− [147] -: indicates that the number 1, 4, or
7 can be dialed.
− <2=011> -: indicates that the dialing
number 2 is replaced with 011.
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