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Andreas Eversberg andreas at eversberg.euhi holger, > * We introduce a new API function that will handle the specifics of > the USSD packing (last 7bit unused, last 7bit <CR>). The signature > could be: > > int gsm_7bit_encode_ussd(uint8_t *result, const char *data, int *octets_written); > int gsm_7bit_decode_ussd(char *decoded, const uint8_t *user_data, uint8_t length); > > i just pushed a branch (jolly/7bit_ussd) i was working on the last hours. it is quite exactly what you prosed. > * Add a testcase for the above (e.g. '1234567\r' should result in a > double \r\r). > * Switch the USSD code in libosmocore over > > also it includes a test case. the result is similar to your proposal. currently i pushed everything togehter without propper splitting and commit log message. after review, i can do that. best regards, andreas