Datasheet

Dialogic
®
4000 Media Gateway Series
Supports Survivable Branch Appliance Function of
Microsoft
®
Lync
™
Server 2010
Datasheet
4
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 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 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)
Physical dimensions 1U 19-inch rack mount server
Power supply 400 W
Two (2) redundant power supplies included
Approvals, Compliance, and Warranty
Hazardous substances RoHS compliance information at http://www.dialogic.com/rohs
Country-specific approvals Global product approvals database at http://www.dialogic.com/declarations
Warranty Warranty information at http://www.dialogic.com/warranties
Technical Specifications (continued)