174 DIAL PLAN C ONFIGURATIONCOMMANDScaller-permitSyntax caller-permit calling-stringundo caller-permit { calling-string | all }View POTS/VoIP/VoFR entity viewParameter all: Specifies all calling numbers.calling-string: Calling number permitted to originate a call to the local voice entity,in the format of { [ + ] string [ $ ] }| $, with a maximum length of 32 characters.The following describes the symbols in the format:■ +: Plus sign. It comes before the whole number and indicates that the numberis an E.164 number.■ $: Dollar sign. When it comes at the end of a number, the calling number mustcompletely match the part before the dollar sign. When it comes alone, thecalling number can be null.■ If there is no sign behind the number, number segments beginning with it arepermitted to originate calls.■ string: A character string consisting of 0123456789#*.!+%[]()-. Table 685describes these characters.Table 685 Description of characters in a stringCharacter Meaning0-9 Digits 0 through 9# and * Indicates a valid digit each. Wildcard, which can match any valid digit. For example, 555.... can matchany number beginning with 555 and ending in four additional characters.! Indicates the sub-expression before it appears once or does not appear. Forexample, 56!1234 can match 51234 and 561234.+ Indicates the sub-expression before it appears one or more times. If the plussign (+) appears at the head of a number, the number is an E.164 numberand the plus sign itself does not represent a specific number or numberrepetition. For example, 9876(54)+ can match 987654, 98765454,9876545454, and so on, and +110022 is an E.164-compliant number.- Hyphen (connecting element), used to connect two numbers (The smallercomes before the larger) to indicate a range of numbers, for example, 1-9inclusive.
