Specifications

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2.4
Routing
2.4.1 Digit Map
After login, click “Routing> Digit Map” tab to open the dialing rules interface as shown in Figure
2-6.
Figure 2-6 Configuration Interface for Digit Map
Dialing rules are used to effectively judge if the received number sequence is completed, for the
purpose of ending up receiving numbers and sending out the received numbers.The proper use of
dialing rules can help to reduce the connection time of telephone calls.
The maximum number of rules that can be stored in gateways is 60. Each rule can hold not more than
32 numbers and 38 characters. The total length of dialing rules table (the total length of all dialing
rules) cannot be more than 2280 bytes.
The following provides a description of tipical rules:
Table 2-8 Description of Digit map
Digit map Description
“x” Represents any number between 0-9.
The x sign can match with any numbers. For example, the x sign can
match with 1 or 2.
“.” Represents more than one digit between 0-9.
The . sign can match with number with any length. For example, the
value 1. can match with 11 or 123.
“##” End after receiving two-digit dialing “##”. “##” is an special dialing
for users to receive gateway IP address and version number of
firmware by default.
“x.T” The gateways will detect any length of telephone number starting with
any number between 0-9. The gateways will send the detected number
when it has exceeded the dialing end time set in system parameter
configuration and hasn’t received a new number.
“x.#” Any length of telephone number starting with any number between
0-9. If subscribers press # key after dial-up, the gateways will
immediately end up receiving numbers and send all the numbers before
# key.
“*xx” End after receiving * and any two-digit number. "* xx" is primarily
used to activate function keys for supplementary services,such as
CRBT, Call Transfer, Do not Disturb, etc.