4-channel gsm to voip gateway go. 4-channel voip gateway goip sip ip pbx. 4-sims gsm voip gateway with. Directly from our factory! Engineer if that is necessary. Provide different types for gsm goip , voip gateways 1,4,8 channel, ip. Goip_4 is a 4 sim card. Goip_4 sim card gsm voip gateway is a new product that connect the gsm and the. To goip_4 what is installed on the mobile sim card, you can. Register the gsm telephone on the voip softswitch. 323 agreement are built in the goip_4 and configured flexible. Caller id can be seen by using sip. Can meet the need of all kinds of call forwarding; even more special is that. Goip_4 support multi-device group, it can be easily combined into arbitrary. Number of channels of large gateway group. Saving cost on international and long distance calls. When you are in the other countries& you have this gateway at your local office. Very excellent solution for internal company with branch offices oversea. In order to promote our product , now we have added some new funcitions in adding the new funcitions, you can build the call without using the softwhich or platform, just depending on the makes our calls more convenient and easier. 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. Rfc 1889 – rtp/rtcp. 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 summaries and message waiting indicator. Rfc 3489 simple traversal of user datagram protocol (udp) through network. Rfc 3891 sip replaces header. Rfc 3892 sip referred-by mechanism. Draft-ietf-sipping-cc-transfer-04 session initiation protocol call control -. 711 (a/µ law), g. Dtmf: rfc 2833, in-band dtmf, sip info. Voip protocols itu h. 323 v4 and ietf sip v2. Single or multiple server registrations. Ethernet circuits connect to the lan and an additional device. Gsm module for making gsm calls. Speech quality ensured by qos at the ethernet and ip layers and comprehensive. 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. Leds for power, ready, status, wan, pc, gsm. Call forward from gsm to voip and voip to gsm. Dial in mode or dial out mode only. Password protection for both gsm dial in or dial out. Retransmit gsm caller id to voip terminal. Dynamic selection of codec. 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. Operating temperature: 10°c to 40°c. Storage temperature: 0°c to 50°c (32°f to 122°f). Weight: 500 g (1 lb) (including ac/dc adapter). Size: 160 mm (w) x 252 mm (l) x 30 mm (h) width x length x heigth. Power: 12 vdc 2a (ac/dc adapter included). Please leave note in. Orders will be processed instantly and dispatched in same day normally, so we do. All the items will be dispatched within. Items will arrive in. The arrival time depends on some factors and different areas. For example, laser pointer is unacceptable in some countries. This includes packaging, inserts, manuals etc. Please allow up to. For us to process your returned item. Welcome to our store! We’ll reply to your query within 24 hours from. Monday to friday except holidays. High product quality, reasonable prices, excellent customer service and a reliable credit standing is our tenet. If you are satisfied with the product you received, please leave us positive feedback. Please do give us a chance to make things right when something happened, then you could make the right judgement to us in bussiness, leaving negative feedback without communication by mistake would take very bad effect to our bussiness! Communication first when you enconter problems(important)!The item “Quad Band GSM 4 Gateway 4 channel GSM VoIP gateway GoIP support sim bank 32″ is in sale since Saturday, June 15, 2013. This item is in the category “Computers/Tablets & Networking\Enterprise Networking, Servers\VoIP Business Phones, IP PBX”. The seller is “taobaotown” and is located in shenzhen. This item can be shipped worldwide.
- Handset Type: Cordless
- Interface: Ethernet (RJ-45)
- Brand: unbranded 252 generic
- Model: VOIP gateway Goip
- Number of Lines: 4
- Country/Region of Manufacture: China
- Country of Manufacture: China
