8 port voip gsm gateway ddns server

Specifications

8 port voip gsm gateway ddns server
Support 850/900/1800/1900MHz Quad-band GSM and WCDMA network

ACOM508G-8 GSM VoIP Gateway

 

Ejointech is a professional developer and manufacturer of VoIP products. We provides ACOM brand VoIP communication devices and solutions.Also we offer customized products and OEM service. It is a cost-effective gateway for SOHO, SMEs, system integrators and it also opens up new benefits generating opportunities for service providers.

              

 

Key features:

 

 

l  Support 8 channels 8 SIM cards

 

l  Support 850/900/1800/1900MHz Quad-band GSM network

 

l  Support BTS and carrier change and locked

 

l  Support IMEI and PIN modify

 

l  Support encryption: RC4, VOS and Ejoin private etc, OEM encryption support

 

l  SMS receiving/batch sending, AT command compatible

 

l  Support USSD balance enquiry

 

l  Automatically lock/switch SIM card according to its balance, balance alarm

 

 

Basic features:

 

l  Support SIP registration and peer-to-peer

l  Support Hotline, Phone book, Speed dial, Dial Plan

l  Update firmware by local or internet

l  Field proven compatible with Asterisk-based softswitches

l  Single-channel debug for manual calling, directly AT command

l  LCR automatically route calls

l  Centralized network management

l  Caller ID detection and generation

l  Master and slave SIP server

l  VLan and QoS support

l  SIM card hot plug

l  Calling Statistics

l  Support customized IVR

 

Applications:

 

Used in conjunction with VOS, VPS, call back or other Asterisk-based softswitches, for

accessing VoIP network by SIM cards, LCR select least cost router to reduce the cost of calls.

 

Specification

 

 

Model	ACOM508G-8
Number of Channels	8 channels
Frequency	Quad-band 850/900/1800/1900MHz
Call Control Protocols	SIP
Voice Codecs	G.729A, G.723.1, G.711 a/ulaw
Network Protocols	IPv4, TCP, UDP, PPPoE, DHCP, DNS, NAT, Telnet, HTTP, FTP, TFTP
Configuration and Maintenance	Web-based GUI Console, Telnet command line Centralized network management
Firmware Update	Local file, FTP, TFTP and HTTP
Telephony Features	Hot-line call ,Dial plan, Speed dial, Phone book, CDR, LCR, White list
Telephony Signaling	DTMF tone dectection/generation DTMF relay: in-band, RFC 2833 and SIP info Call forward: unconditional, no answer and busy N-way conferencing Caller ID display/generation, Mobile Number Portability
Voice Quality	Echo cancellation Silence suppression(voice activity detection, comfortable noise generation) Adaptive jitter buffer
Number of Ports	1 WAN 10/100Base-T ethernet(RJ-45 connector) 1 LAN 10/100Base-T ethernet(RJ-45 connector) 1 console(RJ-11 connector)
LEDs	1 power and 8 groups of signal strength and running indicator
Power Supply	100-240VAC, 50 - 60 Hz
Dimensions	Rack mountable 1U chassis(compatible with 19" Rack) Width: 482mm Height: 44mm Depth: 210mm
Weight	2.5kg
Operating Environment	·Operating temperature: 0 - 50ºC ·Operating humidity: 10 – 90%
Warranty	12 Months

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