... 6. SMS batch receiving/sending, AT command compatible 7. Compatible with Asterisk, Elastix etc. 8. 1 WAN 10/100Base ... 2003, focused on VoIP technologies and solutions. With our expertise in high quality analog/digital voice gateways, media trunks, IP ... (SIP call control, G729, G711 voice compression etc.), fully compatible with Asterisk and wellknown VoIP device providers(Cisco, Huawei etc.), for ...