Home / Unique Type / SIP Trunk 2 SIP Trunk 2HKD142 SIP Trunk 2 is a next generation IP phone service that connects to PBX making an external line call which is compatible to Asterisk, Aspire X IP-PBX. Features: Compatible to Asterisk, Aspire X PBX. Multiple options for Authentication Method CPS (Call Per Second) has been significantly improved from normal SIP trunk. HKD HKD USD SIP Trunk 2 quantity Add to cart Category: Unique Type Related products Additional ChannelsRated 0 out of 5 HKD142 Add to cart