Yeastar TG400L | 4G шлюз

4 * 4G LTE Trunks, LTE Band Support: B1, B3, B7, B8, B20, SIP Trunk: 32 , Protocal: SIP and IAX2, Codec: G.711 (alaw/ulaw), G.722, G.726, G.729A, GSM, ADPCM, Speex