ZyXEL U-336R User Guide - Page 75

Bits Bin. Dec. Description 11 3 Report RING six times. EDR detection (either CNG or DTMF tones) will be disabled once detection occurs. However, a customer's program might not answer because the setting of the software may require multiple rings to answer. S51 bits 0-1 control the number of rings that the modem will report once the CNG or DTMF tone is detected. The timing relationship between the Caller ID (if enabled), EDR, and ring detection is as follows: ring1 ring2 ring3 3sec 3s 3s 3s S7 time-out CID/EDR RD EDR RD EDR RD EDR RD O NOTE: CID=Caller ID task RD=Ring Detection task EDR=EDR task DURING THE EDR PERIOD, ANY AT COMMAND WILL DISABLE THE EDR FUNCTION . EDR Application Example If we use ZFAX as our fax receiving application and we don't want it to answer the call unless it is a fax call, the way to set it up would be: 1. Set ZFAX to answer on 2 rings. Special Functions 61