удалось решить?
аналогичная проблема с PVDM2-64

Router#sh voice dsp detailed

DSP DSP DSPWARE CURR BOOT PAK TX/RX
TYPE NUM CH CODEC VERSION STATE STATE RST AI VOICEPORT TS ABORT PACK COUNT
==== === == ======== ========== ===== ======= === == ========= == ===== ============

Warning! DSPs 1,2,3,4 in slot 0 are using non-default firmware from device flash:
This is not recommended, the IOS default version is 23.8.5

----------------------------FLEX VOICE CARD 0 ------------------------------
*DSP VOICE CHANNELS*

CURR STATE : (busy)inuse (b-out)busy out (bpend)busyout pending
LEGEND : (bad)bad (shut)shutdown (dpend)download pending

DSP DSP DSPWARE CURR BOOT PAK TX/RX
TYPE NUM CH CODEC VERSION STATE STATE RST AI VOICEPORT TS ABRT PACK COUNT
===== === == ========= ========== ===== ======= === == ========= == ==== ============
C5510 001 01 None 0.0.0 bad idle 0 0 0 0/0
C5510 001 02 None 0.0.0 bad idle 0 0 0 0/0