There are two possibilities to influence the FXO port configuration regarding the "cidstart" parameter as follows: 1 Change parameter "cidstart" in conf fileParameter can be changed in /etc/asterisk/chan_dahdi.conf:
cidstart = ring or cidstart = polarity
Finally please proceed with following commands: - stop asterisk: service asterisk stop
- restart dahdi: service dahdi restart
- start asterisk: service asterisk start
2 Change parameter "cidstart" in SQL databaseWith following SQL-Statement, the parameter "cidstart" can be changed. update countrydefaultisdn set cidstart='polarity' where nationalcode like 'at'; cidstart = ring select id, nationalcode, countrycode,cidstart from countrydefaultisdn where nationalcode like 'at'; id | nationalcode | countrycode | cidstart ----+--------------+-------------+---------- 2 | at | 43 | ring cidstart = polarity select id, nationalcode, countrycode,cidstart from countrydefaultisdn where nationalcode like 'at'; id | nationalcode | countrycode | cidstart ----+--------------+-------------+---------- 2 | at | 43 | polarity |