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# PCM 5.9.0 changes from Elcotel 5.4.4
- Updated the firmware identification fields to 5.9.0.
- After the current bypass code, maintenance command 998 loads preset rates, options and any bundled P94/S94 from the EPROM, burns EEPROM and clears alarm flags on success. It plays a synthesized “Reprogramming” prompt followed by “One moment please” from the voice ROM, then the stock success or failure phrase after programming. If no ID or ANI is supplied, it fills it with 0000 and 200-555-0000. Rate plan's home NPA is populated to ANI, same as modem command A2 does.
- Complete 10-digit `NPA-NXX-XXXX` and 11-digit `1-NPA-NXX-XXXX` numbers skip the short digit timer and immediately proceed with the existing completion path. Seven-digit and partial input retain the register 478 timeout; the existing 1-800 shortcut remains.
- On incoming pickup, when Register 407>0 (Times to Repeat "Not a billable number"), microphone unmutes immediately without a delay in stock ROM.
- On incoming pickup, when Register 407>0, if voice ROM = Universal_US, plays "Payphone, not a billable number" like in 5.3.3 ROM. Otherwise (with bilingual ROM), plays "Payphone, payphone" like 5.4.4.
- if voice ROM = Universal_US, an initial deposit prompt adds “an additional” when the caller has deposited some coins but still owes part of the fee. This was the default behavior in 5.3.3, simplified in 5.4.4 to just "Please deposit" regardless of initial deposit. Reverting the change only in case no bi-lingual voice ROM is installed - it doen't have the needed phrase.