Allied Telesis AT-iMG634 - R2 Guia do Utilizador descarregar pdf (Página 627)

100

101

Port configuration VoIP phone ports

6-63

iMG/RG Software Reference Manual (Voice Service)

voip ep analogue set prt0 digitmap [2-4]xx

If the number dialled begins with anything other than 2, 3, or 4, the call is rejected and a busy tone is generated.

Another way to achieve the same result would be:

voip ep analogue set prt0 digitmap [234]xx

It is possible to combine two or more expressions in the same Digit Map by using the ‘|’ operator, which is

equivalent to OR. The left-most expression has precedence over the other expressions

Let’s consider the case of a choice: the Digit Map must check if the number is internal (an extension), or exter-

nal (a local call). Assuming that dialling ‘9’ makes an external call, the Digit Map could be defined with the com-

mand:

voip ep analogue set prt0 digitmap ([2-4]xx|9[2-9]xxxxxx)

In this case the Digit Map checks if the number begins with 2, 3, or 4 and the number has 3 digits

If not, it checks if the number begins with 9 and the second digit is any digit between 2 and 9 and the number

has 7 digits

It may sometimes be required that users dial the ‘#’ or ‘*’ to make calls.

This can be easily incorporated in a Digit Map with the command:

voip ep analogue set prt0 digitmap xxxxxxx#|xxxxxxx*

The ‘#’ or ‘*’ character could indicate that users must dial the ‘#’ or ‘*’ character at the end of their number to

indicate it is complete.

When the outgoing call is in process, the call control layer removes any '#'', '*' and 'T' symbols from the dialled

number.

6.3.1.2 Dial mask

The Dial Mask specifies the number of digits that must be removed from the dialled number before checking the

dialled number against the Digit Map.

6.3.1.3 Voice coder/decoder

The Voice system makes use of a specific DSP with an embedded sigma-delta Coder/Decoder to process voice

and data from/to access ports.

Different codec types are available in order to satisfy the requirements of different environments.

It's possible to specify more than one codec type for each port using the command VOIP EP ANALOGUE SET

CODECS.

The codec specified at the leftmost ends of the codec list has precedence over the other codecs.

1 2 ... 622 623 624 625 626 627 628 629 630 631 632 ... 997 998

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