Dialogic
®
I-Gate
®
4000 Media Gateways
IP Telephony Media Gateways
Datasheet
5
Technical Specifications
Technical Specifications for Both Dialogic
®
I-Gate
®
4000 EDGE Media Gateway and Dialogic
®
I-Gate
®
4000 PRO Media Gateway
Operation Mode
Softswitch-controlled mode (MGCP v1.0, H.248/Megaco)
Standalone static trunking (without softswitch)
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)
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-WB
1,3
all rates (6.6, 8.85, 12.65, 14.25, 15.85, 18.25, 19.85, 23.05, 23.85) kbps
iLBC
2
– iLBC20 and iLBC30
1
AMR-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.
2
AMR-WB & iLBC codec are supported by I-Gate
®
4000 PRO and I-Gate
®
4000 EDGE models with DSPK-R2 only. AMR-WB codec requires separate licensing.
3
Using the AMR-WB resource in connection with one or more Dialogic products mentioned herein does not grant the right to practice the AMR-WB standard. To seek a patent license
agreement to practice the AMR-WB standard, contact the applicable patent holder(s).
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
