IGATE4000 PRO

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Technical Specifications for Both Dialogic® I-Gate® 4000 EDGE Media Gateway and Dialogic® I-Gate® 4000 PRO Media Gateway
 Traffic Processing
 Signal Detection and Classification (Voice, Fax, VBD, Video, DTMF, signaling)
 Silence Suppression (Voice Activity Detection and Comfort Noise Injection)
 Router-agnostic and bandwidth-efficient RTP Multiplexing mechanism
 Bandwidth-efficient signaling transmission mechanism (SS7, PRI, CAS)
 SRTP2 support to provide encryption, message authentication, integrity and replay protection to the RTP (and SRTCP for RTCP) sessions
 2SRTP is supported in DSPK-R2 and later model of DSPK cards. 
In media gateway mode, SRTP is supported only for MGCP MG (not MEGACO). 
SRTP can be used only for switch connections (not for static channels), or in STGW mode.
 Voice Codecs
 G.711 PCM @64 kbps A-law/µ-law
 G.729A (+B) CS-ACELP @8 kbps
 G.723.1 ACELP /MPMLQ @5.3, 6.3 kbps
 EFR @12.2 kbps
 AMR-WB3,4 all rates (6.6, 8.85, 12.65, 14.25, 15.85, 18.25, 19.85, 23.05, 23.85) kbps
 iLBC3,4 – iLBC20 and iLBC30
 OPUS (6, 8, 12) Kbps)
 3AMR-WB & iLBC codec are supported ONLY for switch channels, not for static channels. As of the publication date of this document listed below, the earliest version of the Dialogic® ControlSwitch™ System which 
supports AMR-WB & ILBS codecs is Release 5.9.2.
 4 AMR-WB & iLBC codec are supported by I-Gate® 4000 PRO and I-Gate® 4000 EDGE models with DSPK-R2 only.
 Echo Cancellation
 ITU G.168 and G.165 compliant
 Up to 128 msec echo tail length
 Dynamic EC enabling
 Fax
 Group 3 fax calls
 V.27, V.29 and V.17 (up to 14.4 kbps)
 ITU T.38 fax relay or Passthrough mode
 V.34 fax (V.Fax) — Passthrough mode
 Voice Band Data (Modem)
 V.22, V.23, V.32, V.34, V.90 and V.92 modems
 Passthrough mode
 Video
 Automatic detection and Clear channel mode transmission of H.324 video calls over bearer links