Enables G.729 Codec Input for Snom M900
The A900 DSP module adds support for the following audio codes to the M900 DECT Base Station:
VoIP codecs:
G.729 with Annex A and optional B (NB, 8 kbit/s)
BroadVoice32 (BV32) (WB, 32 kbit/s) (V530B2 or later)
Opus (NB/WB, 10-24 kbit/s) (V500B1 or later)
DECT codecs:
BroadVoice32 (BV32) (WB, 32 kbit/s, 1 DECT slot)
