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Dialogic
®
4000 Media Gateway Series
Datasheet
4
Additional SIP features Registering SIPcontrol at a Registrar server
Digest Authentication of SIP Requests from SIPcontrol according to RFC2617
Security TLS and SSL authentication
SRTP (secure Real-time Transport Protocol)
SIPS (Secure SIP)
Supported ciphers: DH, ADH, AES (128-256 bits), 3DES (64 bits), DES (64 bits), RC4 (64bytes), RC4 (256 bytes),
MD5, SHA1
Reliability Load balancing and failover on PSTN side
Load balancing and failover on SIP side (optionally uses OPTIONS for keep-alive check)
Alive check for active calls on SIP side via SIP session timer (RFC4028)
Media processing features DTMF generation and recognition (in-band)
DTMF relay, RFC2833
Echo Cancellation as per G.168 standard with up to 256 ms echo tail (depending on Media Gateway interface)
Voice Activity Detection and Comfort Noise Generation
IP Media CODEC features IP Real-time Transport Protocol (RTP)
RTP profile name RTP/AVP
RTP event (RFC2833) for DTMF, Fax and modem tones
G.711 CODEC, 64 kbps (64 kbps, A-law, µ-law)
G.726 (16, 24, 32, and 40 kbps)
G.729 CODEC (requires additional license)
GSM full rate CODEC
iLBC CODEC (not available on DMG4008LSW and DMG4008BRI)
Comfort Noise (RFC3389)
Configurable packetization time between 20 ms and 200 ms (iLBC only 20 ms and 30 ms)
Microsoft
®
Mediation Server Globally Routable User Agents URI
SIP over mutual TLS
SRTP on Communications Server
RTaudio on Communications Server
Interactive Connectivity Establishment (ICE) support
Physical dimensions Height: 1.70 in. (4.32 cm)
Width: 16.93 in. (43.0 cm)
Length: 20.0 in. (50.8 cm)
Power supply 90 VAC to 264 VAC
450 W
Power Factor Corrected (EN61000-3-2)
Two (2) redundant power supplies included
Technical Specifications (continued)
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