TELES VoIP Box BRI Series, Reference Manual

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6 Signaling and routing features
VoIPBox DSL / VoIPBox BRI – version 21.0.009 Page 135
Translating individual cause values
The following parameter allows you to translate any cause
values to any other one:
Translate<cause>=<cause>
. The val-
ues entered must be in hexadecimal notation between 00 and
7f (or 80 and ff in most significant bit-notation).
Translating SIP causes to ISDN and vice versa
You can define a specific translation from SIP responses (4xx
- 6xx) to ISDN cause values and vice versa. If nothing is set, the
translation occurs as described in the tables below.
Use the following parameter to translate a cause from ISDN to
a specific SIP response:
Repeat the entry to initiate an additional translation.
Use the following parameter to translate a cause from SIP to
ISDN:
The following range of values applies:
400<= <SIP cause> <=699 (defined in RFC 3261)
0<= <ISDN cause> <=127 (DSS1 decimal cause number)
Please note, that in addition to the decimal notation, ISDN
cause values can alternatively be shown as hexadecimal fig-
ures, either in 7 bit (which equals the decimal notation) or 8
bit notation (with the first bit (most significant bit) set to 1).
For instance, ISDN cause value 31 in decimal / 1F in hexadeci-
mal 7 bit notation, alternatively 9F in hexadecimal 8 bit nota-
tion translates to SIP response 404.
SipCause<ISDN cause>=<SIP response>
SipEvent<SIP response>=<ISDN cause>
Table 6.2 ISDN cause - SIP response and SIP response - ISDN cause (page 1 of 3)
ISDN cause SIP response SIP response ISDN cause
1 404 400 127
2 404 401 57