Specifications

1.bluetooth voip gateway
2,support IMEI change
3,Built-in encryption
4,call back&SMS
5,SIP&H.323 protocal

For call terminal gsm voip gateway with imei change bluetooth voip gateway

For call terminal gsm voip gateway with imei change Description:

The GSM Fixed Wireless Terminal 16 ports Gateway GoIP-16 is a 16 SIM Card Broadband Phone Gateway that had been developed by CHINATYH Ltd. GoIP_16 SIM Card Broadband Phone Gateway is a new product that connect the GSM and the VOIP seamlessly. To GoIP_16 what is installed on the Mobile SIM Card, you can register the GSM telephone on the VoIP soft switch. SIP and H.323 agreement are built in the GoIP_16 and configured flexible. Caller ID can be seen by using SIP. Flexible routing can meet the need of all kinds of call forwarding; even more special is that GoIP_16 support multi-device group, it can be easily combined into arbitrary number of channels of Large Gateway Group.

For call terminal gsm voip gateway with imei change bluetooth voip gateway New arrival!sim server gsm gateway best seller worldwide wireless gateway

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
goip 16 voip gateway
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 gateway gsm
	Retransmit GSM Caller ID to VoIP terminal
goip 16 voip gateway
Enhanced Features	Dynamic selection of codec
	Advanced jitter buffer
	Automatic traversal of NAT and firewall
	VLAN / Qos
	Router gateway gsm
	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
goip 16 voip gateway
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)
goip 16 voip gateway
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

For call terminal gsm voip gateway with imei change gsm fixed wireless terminal

Common function:

For call terminal gsm voip gateway with imei change gsm fixed wireless terminal

1 PSTN to VoIP

Description:using the GoIP to connect with VoIP

2 VoIP to PSTNNew arrival!sim server gsm gateway best seller worldwide wireless gateway

Description: using the GoIP to connect with PSTN

3 Calling forwardNew arrival!sim server gsm gateway best seller worldwide wireless gateway

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.New arrival!sim server gsm gateway best seller worldwide wireless gateway

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 serverNew arrival!sim server gsm gateway best seller worldwide wireless gateway

Detail picture:

The package of the device :

FAQ
	Question	Answer
1	What is main funtion of the 16 ports 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 port or 64 port GSM VOIP GATEWAY?	Each gsm port need 30-45 kpbs upload,and normally for adsl's upload bandwith is 512 kpbs. So max is 16 port .
6	What is the differnce between the new GoIP(antena bulit in)and the previous GoIP?	The function is the same with the previous GoIP.The only difference is antena. New GoIP antena is bulit in the board.
7	What is the communication network can be supported by GoIP?	Only GSM
8	How about our service?	Pls don't worry.If you have some problem,our engineer will give u help at the first time
10	What is our main express shipment?	DHL,UPS,FEDEX,TNT,EMS(can send to all over the world)