Features of Dialogic® Blue™ Telephony Boards

The following features are available with Dialogic® Blue™ OneSpan-24/30-S-LP Telephony Boards:

• Fax tone detection

• DTMF tone detection and transmission     

• Collection of DTMF post-dial digits

• Host-based Switching&Conferencing (LineInterconnect)

• Host-based Cross-board switching (LI on multiple adapters)

• Automatic Gain Control (AGC) for conferencing

• G.168 Echo Cancellation (up to 256ms*)

• Real Time Protocol (RTP / RTCP)

• Secure RTP

• Comfort Noise Generation (CNG) (works only with voice codecs)

• Voice Activity Detection (VAD) (works only with voice codecs)

• Dynamic Anti Jitter Buffer (less buffer available)

• Audio Tap

• Full-duplex voice, 'barge-in'

• G.711 Coding (a-Law and µ-Law)

• Call Transfer Emulation

• Clear Channel Data (transparent), HDLC, X.75/V.42bis, ISO8208, X.25

• SS7 MTP1/MTP2

• Full international protocol code support

• • E1 / T1 / J1 ISDN PRI Protocols incl. QSIG:

  • E1 R2 CAS

  • Line Side E1

  • T1 Robbed Bit Signaling

*depends on host performance

If you need features not covered with your Dialogic® Blue™ Telephony Board, such as fax or modem, contact your Sales representative who can offer you the Dialogic® Diva® Media Board that will meet your needs.