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Goals
- Allow the end user to reduce SR140 volume on per call basis without needing to modify BT_CPARAM.CFG file.
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Currently, the fax transmission level and fax reception level are set in the file BT_CPARM.CFG parameter file which contains several sets of parameters which are specific to a country or to a group of countries. For example, for the USA, the fax transmission level is set by the define DATA_LEVEL_USA (default 0xe2) and the fax reception level is set by the define REC_LEVEL_USA (default 0xaa). It is difficult to change these values in the file BT_CPARM.CFG since this file is a binary file. This feature request will implement two new ways of modifying the transmission and reception levels. The first way will be via new keywords in the user configuration file btcall.cfg and the second way will be via the API function BfvFaxT30Params(). The changes implemented for this feature request will apply to all platforms (SR140 and boards).
Assumptions
Requirements
# | Title | User Story | Importance | Notes |
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1 | Provide parameters in btcall.cfg | Add new keywords to btcall.cfg to allow user to change SR140 levels. | Must Have | |
2 | Update API function BfvFaxT30Params() | Update BfvFaxT30Params() to allow the application to change the SR140 levels. | Must Have | |
3 | Apply to both SR140 and TR1034 | Apply to both SR140 and TR1034 | Nice to Have | |
4 | Documentation | Include in documentation in section "Parameters for Technical Support Purposes" | Must Have | |
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User interaction and design
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Below is a list of questions to be addressed as a result of this requirements document:
Question | Outcome |
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Not Doing
- Currently, the plan is not to update the structure t30parampkt and the sample application mkinfopk.c to include xmt_level or rcv_level. I believe that the fax transmission levels and fax reception levels will work as follows:
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