Technical Parameter

Voice Service Functions

- With the heartbeat function, support the main producing soft exchange platform;

- Support high / low speed mode transparent transmission, T38 two fax;

- Support high-speed Modem (56Kbps) dial access; support RFC2833 and redundantRFC2833, ringing, MD5 certification, call forwarding, call waiting, the hotline, alarmclock, abbreviated dialing and other value-added services;
- Support SIP (compatible with IMS), H.248, MGCP three VolP protocol, and the softswitch platform the mainstream can be good intercommunication;

- Support POTS port GR909 line test function;

- Support dynamic PPPOE, DHCP and static IP:
- Support ITU-T G.711, G.723.1, G.729 and other three kinds of compressionalgorithm;echo cancellation conforming to ITU-T G.168-2002, an echo cancellerforthe longest 128ms;
- 7* 24 hour call loss is less than or equalto 0.01%;
- Support 2 POTS interface and the three party call, three party support local mixing;

Hunan Sanyi Technology Co., Ltd. located at Changsha, China. Professional in R&D and producing network devices, specially for processing OEM/ODM. Products include openWRT WiFi router, 4G/5G router, MeshRouter, WiFi 6 Router, Industrial&Enterprise Router, Vehicles Router, AP, Outdoor CPE and LTE CPE. Sayi is also a Wi-Fi coverage service provider, provides the solution for hotel, school, hospital, enterprise, airport and vehicle field. We have built a long term cooperation with Mediatek, Broadcom and Qualcomm, capably offering good quality products and fast after-sale service to our clients. Our main customers are China Mobile, Vivacom in Bulgaria, Sprint, T-Mobile, AT&T in USA and Smart in Philippine. Sanyi warmly welcome everybody joining in and build win-win cooperation.