Call Routing
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User-Defined Digit Maps
The User Settings – User-Defined Digit Maps section of the device configuration web page provides for
10 user-definable digit maps. These digit maps are referred to as User-Defined Digit Map 1 to 10. Each
user-defined digit map is specified with two parameters:
●Label: An arbitrary string for referencing this digit map in other digit map specification. The value
should be 2 to 16 characters long. For example, “friends”. In this case, (Mfriends) can be
referenced in other digit maps.
● DigitMap: A digit map to restrict the numbers that can be dialed or called with this service. Maximum
length is 511 characters.
By default both parameters are empty, except for User-Defined Digit Map 1. See the following section.
A User-Defined Digit Map For IPv4 Dialing
The default values of the parameters for User-Defined Digit Map 1 are set to the following values to support
IPv4 dialing:
● Label: ipd
● Digit Map:
(xx.<*:@>xx?x?<*:.>xx?x?<*:.>xx?x?<*:.>xx?x?|xx.<*:@>xx?x?<*:.>xx?x?<*:.>
xx?x?<*:.>xx?x?<*::>xx?x?x?x?)
The map (Mipd) is referenced in the default setting of the DigitMap in ITSP Profiles A through H. It supports
the following two forms of IPv4 dialing:
● <user-id>*<a>*<b>*<c>*<d>
● <user-id>*<a>*<b>*<c>*<d>*<port>
where <user-id> is an arbitrary length numeric user-id, such as 100345, <port> is a port number in the
range 0–65535, and each of <a>,<b>,<c>,<d> is a 1- to 3-digit pattern in the range 1–255 that identifies
one byte of an IP address. The dialed number is translated into <user-id>@<a>.<b>.<c>.<d> and
<user-id>@<a>.<b>.<c>.<d>:<port>. Here are some examples:
1234*192*168*15*113 maps to 1234@192.168.15.113
123456*192*168*15*180*5061 maps to 123456@192.168.15.180:5061
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