hi,
i am upgrading 1.8.8.0 to 11.9.0 version and written own channel drivers(chan_isx) for PSTN phones(bcz our board/system not supported DHADI).our own channel driver for PSTN work proparly with 1.8.8.0 by accessing ast_channel structure members from channel.h but in asterisk 11.9.0 ast_channel structure(channel_internal_api) was not used,how to access ast_channel structure members and ast_channel_tech from channel_internal_api.c file in asterisk 11.9.0 version.
please reply