Guangdong, China
Business Type:
Trading Company
Number of Employees:
Year of Establishment:
Management System Certification:
ISO 9001, ISO 9000
Average Lead Time:
Peak season lead time: within 15 workday
Off season lead time: within 15 workday
OEM/ODM Service
Sample Available
Russian / Portuguese / Spanish Speaker

GSM VoIP Gateway, GoIP GSM, GoIP manufacturer / supplier in China, offering VoIP GSM Gateway/1, 4, 8 Channel GoIP Gateway/GoIP 1, 4, 8/GSM Gateway GoIP4I, DBL SIM Bank32 Remote Controller SIM Server, Remote 32 SIM Cards SIM Bank SMB32 and so on.

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Supplier Homepage Products VoIP GSM Gateway VoIP GSM Gateway/1, 4, 8 Channel GoIP Gateway/GoIP 1, 4, 8/GSM Gateway GoIP4I

VoIP GSM Gateway/1, 4, 8 Channel GoIP Gateway/GoIP 1, 4, 8/GSM Gateway GoIP4I

Get Latest Price
Min. Order / Reference FOB Price
1 Piece US $47/ Piece
Port: Shenzhen, China
Production Capacity: 10000units/Month
Payment Terms: T/T, Western Union
Protocol: H. 323&SIP
Color: Light White
Voice Encoding: G. 723.1, G. 711 Al/U, G. 729 a/B
Frequency: 850/900/1800/1900m
Warranty: One Year

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Basic Info

Model NO.: GOIP4I

Product Description

VoIP GSM Gateway/1, 4, 8 Channel GoIP Gateway/GoIP 1, 4, 8/GSM Gateway GOIP4I

GoIP1, 4, 8 GSM bridges the GSM and the IP networks by enabling voice communications. It is ideal for VoIP to Local termination where a fixed telephone line(PSTN)is not available or for cellphone roaming via the a VoIP network Significant savings on long distance charges can be realized.

Key Features
1. Open Standard VoIP Protocols (ITU H. 323 V4 and IETF SIP V2)
2. Single or Multiple serve registrations
3. Two 10/100 Ethernet circults connect to the LAN and an additional device
4. GSM module for making GSM calls
5. Speech quality ensured by Qos at the Ethernet and IP layers and comprehensive jitter buffer
6. VLan and Qos Support
7. NAT Transversal and Router functions
8. Voice Prompts, HTTP Web. Auto Provision support for configuration and updates
9. Highly stable embedded Linux operating system in high performance ARM 9 Processor

Basic Features
A. LEDs for Power, Ready, Status, WAN. PC. GSM
B. Call forward from GSM to VoIP and VoIP to GSM
C. Dial Plan
D. Password protection for both GSM dial in or dial out
E. Retransmit GSM Caller ID to VoIP terminal

Enhanced Features
Dynamic selection of codec
Advanced jitter buffer
Automatic traversal of NAT and firewall
Echo cancellation for Speakerphone
Comfort noise generation (CNG)
Voice activity detection (VAD)
Auto provisioning (requires auto provisioning server)
On line firmware upgrade
Multi-Language support: English and Chinese
Supported Standards:
ITU: H. 323 V4, H. 225, H. 235, H. 245, H. 450
RFC 2327 SDP
RFC 2833 RTP Payload for DTMF Digits, Telephony Tones and Telephony Signals
RFC 2976 SIP INFO Method
RFC 3261 SIP
RFC 3264 Offer/Answer model with SDP
RFC 3515 SIP REFER Method
RFC 3842 A message Summary and Message Waiting Indicator
RFC 3489 Simple Traversal of User Datagram Protocol(UDP) Through Network Address
Translators ( Nats)
RFC 3891 SIP Replaces Header
RFC 3892 SIP Referred-By Mechanism
Draft-left-shipping-CC-transfer-04 Session initiation Protocol Call Control-Transfer
Codec: G. 711 (A/u law), G. 729A/B, G. 723.1
DTMF: RFC 2833. In-band DTMF, SIP INFO

Physical and Environmental
Operating temperature: 10oC to 40oC (50o F to 104o F)
Storage Temperature: 0oC to 50oC (32o F to 122o F)
Size: 160 mm(W)x252mm(L) x30mm(H)(WidthxLengthxHeight)
Power: 12 V
Warranty: One year
1. H. 323& SIP 2.0
2. Support IMEI change
3. Have encryption VPN and Relay
4. frequency: 850/900/1800/1900M

VoIP GSM Gateway/1, 4, 8 Channel GoIP Gateway/GoIP 1, 4, 8/GSM Gateway GoIP4I

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