ZyXEL U-336E User Manual - Page 53
Setting Up EDR
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tone and report RING to the software immediately. The software application can then issue commands to answer the call and receive the fax. If the remote caller is using a fax phone which does not send out a CNG tone and is waiting for a fax answer tone in order to press the START button, the caller can press a designated DTMF tone, which will activate the modem to report and subsequently be ordered to answer the fax call. Setting Up EDR The new EDR can be used at home where multiple phones are installed in parallel. Once this function is enabled, the modem will go into EDR mode after the ring disappears, and it will be able to detect the data/fax CNG tone and DTMF tones, and report them as different types of rings. The EDR settings are defined in S-register S51. S51 Bit-mapped register: (default: 0) Bits Bin. Dec. Description (7,6) 00 0 Disable data CNG tone detection (default). 01 64 Report RING for data CNG tone. 10 128 Report RING 1 for data CNG tone. 11 192 Report RING 3 for data CNG tone. (5,4) 00 0 Disable Fax-CNG tone detection (default). 01 16 Report RING for fax CNG tone. 10 32 Report RING 1 for fax CNG tone. 11 48 Report RING 2 for fax CNG tone. (3,2) 00 0 Disable DTMF tone detection (default). 01 4 Report RING for a DTMF tone. 10 8 Report RING for a DTMF tone. 11 12 Reserved (1,0) 00 0 Disable EDR (default). 01 1 Report RING twice. 10 2 Report RING four times. 11 3 Report RING six times. Special Functions 41