Hello everyone, in this post I will show simple steps to setup Grandstream SIP Trunk or VOIP trunks and make inbound and outbound calls. your IPTSP or IP Number provider has shared some information about your IP number, SIP Server address, and Password. you have just filled in this information in SIP Trunk. First login to your UCM62XX/UCM63XX Serice IP PBX Server VOIP Trunk Click Create SIP Trunk. Select Register SIP Trunk in the Type option. Set the information hostname,…
