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Features 66
Resolution: standard, fine, super-fine,
ultra-fine
1)9)
••
DTMF tone detection and transmission
3)
•••
DTMF clamping
10)
••
On-board switching and conferencing (via
line interconnect)
8)
••
Media mode (unknown, interactive voice,
automated voice)
1)
••
Wave audio format (8-bit 8 kHz A-Law,
8-bit 8 kHz µ-Law, 8-bit 8 kHz PCM, 16-bit
8 kHz PCM)
1)
••
Silence detection •
Volume control •
Echo cancellation
1)7)
•
Real time protocol (RTP)
1)7)
•
Comfort noise generation (CNG)
1)7)
•
Voice activity detection (VAD)
1)7)
•
Dynamic anti-jitter buffer
1)7)
•
Audio tap
1)7)
•
GSM and G.726 voice codecs
1)7)
•
Recording AGC •
Supplementary Services:
4)
MSN (multiple subscriber number) •••••
DDI (direct dialing-in) •••••
SUB (sub-addressing) • •
CLIP (calling line identification
presentation)
••••
CLIR (calling line identification restriction) • • •
COLP (connected line identification
presentation)
•••
COLR (connected line identification
restriction)
•••
CCBS (call completion to busy
subscriber)
•••
CCNR (call completion on no reply) • • •
Features via interface:
IDI
WAN
MiniPort COM Port CAPI 2.0 TAPI