Dialogic® 4000 Media Gateway Series Integration Note
If the ISDN type of numbering flag is set to National, the prefix “N” will be used with the call number. If the type is Unknown, no prefix is used.
Outbound call example using address maps:
Microsoft® Office Communications Server 2007 sends the E.164 dial number format to the SIP gateway. Both called and calling numbers need to be converted into a format that the PBX can accept. If the same PBX dialplan as in the previous section is used, the following conversions are needed.
Calling number | From Microsoft® OCS | To PBX |
Internal | +1716639xxxx | 716639xxxx |
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Called number | From Microsoft® OCS | To PBX |
To Internal | +1716639xxxx | xxxx |
To National | +1xxxxxxxxxx | 91xxxxxxxxxx |
To International | +xxx…xxx | +xxx…xxx |
Below is RegEx for the conversion tables above.
Sub rule name | Expression | Format | Stop on match |
Calling number | ^\+1(716639\d{4}) | $1 | Not checked |
Called - Internal | ^\+1716639(\d{4}) | $1 | Checked |
Called - National | ^\+1 | 91 | Checked |
Called - International | ^\+ | 9011 | Checked |
Below are the configured address maps for outbound calls. The order of the below four sub rules and the stop on match check mark are relevant:
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