The basic use of our GOIP/VOIP as follows. Softswitchis software installed in a computer. It looks upon as a server, Goip looks as client. Then you can PSTN->VOIP and VOIP->PSTN. GoIP GSM Gateway bridges the GSM services and the IP networks.The extensive compatibility of the GoIP makes it an ideal choice to be deployed in multi-vendor open architecture VoIP networks. GoIP GSM gateway also provides significant savings in usage (long distance or international), infrastructure and maintenance cost compared to conventional PSTN. Extensive product compatibility with industry leading vendor. IP device with Web based management interface.
Can be managed and monitored remotely over Internet - a great service to offer to customers by system integrators. GoIPs can be grouped together to establish GSM gateway cluster. Schedule or on-demand SMS Broadcast messages to users.
(Additional SMS server is required). Open Standard VoIP Protocols ITU H. 323 V4 and IETF SIP V2.
850MHz, 900 MHz, 1800 MHz, 1900MHz. Call forward from GSM to VoIP and VoIP to GSM. Password or Trust list protection for dial in mode and dial out. Retransmit GSM Caller ID to VoIP terminal. LEDs for Power, Ready, Status, WAN, PC, GSM.
Dial in mode or dial out mode only. Password protection for both GSM dial in or dial out. Automatic traversal of NAT and firewall.Auto provisioning (requires auto provisioning server). Multi-language support: English and Chinese. RFC 2833 RTP Payload for DTMF Digits, Telephony Tones and Telephony Signals. RFC 2976 SIP INFO Method. 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. DTMF: RFC 2833, In-band DTMF, SIP INFO. Here is the following example.
Peer to peer:it is a new function that you can use our voip without platform, what is more, it is free roaming for international call. You just pay the local call. 1 pc of power supply. 1 pc of Ethernet cable. Your satisfaction is very important to us!The item "GOIP VOIP Gateway GSM Band Support 1 Channel Sim SIP Port SMS IMEI Change Phone" is in sale since Monday, October 21, 2019. This item is in the category "Computers/Tablets & Networking\Enterprise Networking, Servers\VoIP Business Phones/IP PBX". The seller is "aviel-4309" and is located in Shanghai. This item can be shipped worldwide.