Voip Sip Gateway

We are offering our customers VoIP SIP Gateway with 48, 72,96 FXS/FXO ports
Compatible with Asterisk Trixbox, Freeswitch
T.38 and T.30 Fax
TR 069 supported

VoIP SIP Gateways with 96 FXS/FXO analog phone ports, support SIP and MGCP, also IMS specs, nice VoIP terminals for IP PBX and IP Centrex application

Compatible with Asterisk, FreeSwitch, Elastix, 3CX, Microsoft Lync, Cisco call manager

Support Routing table, and PBX functions;
PBX Gateway Main Applications:
Remote SIP access gateway for IP-PBX,example Asterisk based on IPPBX.
IP based wide area PBX for enterprise, government branches and schools
VoIP Long Distance application for IP phone supermarkets and enterprises
Carrier primary and secondary line service
Small and home offices, Hotel, Call center
Signaling
VoIP Protocol: SIP V2(RFC3261);MGCP(RFC2705),TISPAN(IMS specialty)
OffHook Detection: FXS Loop Start, DDI (Hong Kong)
DTMF: SIP INFO;RFC2833 DTMF Relay; In-Band;

Key Features:
Codec: G.711Alaw; G.711 ulaw; G.729A;G.723.1;GSM; iLBC;
Echo cancellation: G.168; Tail Length 8/16/32 milliseconds;
Dynamic Jitter Buffer; Voice Activity Detector (VAD); and Comfort Noise Generator(CNG);
Calling Control: Called/Calling Number Mapping; Line Hunting;
FAX Processing: T.38 FAX Relay, T.30;
Billing: RADIUS Interface; Polarity Reverse
Configuration: Web Based User Interface, Unified Network Management;