Product Details

Specifications

1,gsm voip gateway,8 goip sim box voip gateway
2,support IMEI change
3,Built-in encryption
4,call back&SMS
5,SIP&H.323

VoIP GSM Gateway GoIP bridges the GSM and the IP networks by enabling voice communications. It is installed on the Mobile SIM Card, you can register the GSM telephone on the VoIP Softswitch.it can be easily combined into arbitrary number of channels of Large Gateway Group. Low price, perfect sound quality and powerful function make GoIP GSM inevitable choice of system Integrators, traffic Business and soft switch Manufacturers.
Key Features	Open Standard VoIP Protocols (SIP&H.323)
	Single or Multiple Server Registrations
	Two 10/100 Ethernet for WAN / LAN connections
	Peer-to-Peer IP Calls
	Speech quality ensured by QoS at the Ethernet and IP layers and comprehensive jitter buffer
	Line Echo Cancellation
	VLAN and QoS support
	NAT Transversal and Router functions
	Voice prompts, HTTP Web, Auto Provision support for configuration and updates
	Highly stable embedded Linux operating system in high performance ARM 9 Processor

Basic Features	LEDs for Power, Ready, Status, WAN, PC, FXS
	Dial in mode or dial out mode only
	Call forward from GSM to VoIP and VoIP to GSM
	Dial Plan
	Retransmit GSM Caller ID to VoIP terminal

Enhanced Features	Dynamic selection of codec
	Advanced jitter buffer
	Automatic traversal of NAT and firewall
	VLAN / Qos
	Router
	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 1889 - RTP/RTCP
	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-ietf-sipping-cc-transfer-04 - Session Initiation Protocol Call Control Transfer
	Codec: G.711 (A/µ law), G.729A/B, G.723.1
	DTMF: RFC 2833, In-band DTMF, SIP INFO
	Operating temperature: 10°C to 40°C (50°F to 104°F)

Physical and Environmental		Storage temperature: 0°C to 50°C (32°F to 122°F)
		Power: 12 VDC 2A (110V-220V) (AC/DC adapter included)
		Warranty: one year

1 PSTN to VoIP

Description:using the GoIP to connect with VoIP

2 VoIP to PSTN

Description: using the GoIP to connect with PSTN

3 Calling forward

Description:If you are in china but your main business is in Malaysia, you only put a Malaysia SIM card into the GoIP.In this condition,all calling the SIM number can connect your Phone number in China directly.

4 calling back

Description:When you are using the telephone, and you are want to get preferential from VoIP Phone anytime and anywhere.You just call the SIM card number which in GoIP,the calling number would send to Server by GoIP,then the server receive the calling number and establish the new calling.Then you will receive the new calling,you just accept the calling,Now you are calling with your customer by server

FAQ

1.What is main funtion of the terminal gsm voip gateway GoIP?

For call terminal

2.What is the software can be supported by GoIP?

VOS,VPS,VoIP switch,3CX,P·B·Xes,free PBX,MOR

3. What is the hardware can be supported by GoIP?

IPPBX and so on

4. What is the bandwidth requested by GoIP?

It is up to your voice code.G723 need 23kbps per channel,G729 need 34kbps,
G711 need 90 kbps

5. Is there any 32 ports or 64 ports GSM VOIP GATEWAY?

Each gsm port need 30-45 kpbs upload,and for adsl's upload bandwith is 512 kpbs. So max is 16 port ,our 16 port will come into the market in May.

6.What is the difference between the new GoIP(antena bulit in)and the previous GoIP?