VOIP Gateway GTT manufacturer from China GED Technologies Co., Ltd.

Payment Terms:	T/T,L/C
Place of Origin:	, China (Mainland)

Product Detail

Model No.: GTT

Brand Name: Greatel

Means of Transport: Air

Digital Gateway with 50 to 60Hz Frequency, 1E1/T1, 2E1/T1 and 4E1/T1 Interfaces, SIP Protocol

Memory:

Internal: 128MB

System flash: 8MB

Flexible configuration: up to 8 T1/E1, G.711, G.723.1, G.729A codec and G.168 echo cancellation

Input power: 100 to 240V AC

Frequency: 50 to 60Hz

Maximum current: 1A

Maximum power consumption: 70W

DTMF relay and fax relay, redundant power modules and hot-swappable modules

Session initiated protocols: (SIP), ISDN PRI (USA, ITU and China), RTP and FTP for remote software upgrade

HTTP for system, interface configuration and monitoring, telnet for remote

DHCP for dynamic IP address allocation, DTMF relay (RFC2833), STUN customer for NAT and firewall traverse

CDR and radius, T 38 fax relay Ethernet interface: RJ45

T1 interface: RJ45