SureTrunk™ is a managed SIP trunking solution that offers ShoreTel customers a less expensive alternative to on-premise SIP trunking, which requires additional hardware, implementation fees and license costs as well as SIP trunk line fees.

EtherSpeak’s SIP trunking solution developed specifically for ShoreTel customers and dubbed "SureTrunk™", enables customers of all sizes (ShoreWare-based IP phone systems) to make full use of their investment by connecting SIP networks with traditional fixed-line PSTN directly. This means ShoreTel customers can now realize all of the benefits of IP-enabled communications without any additional investments, hardware or even new firewall/gateway requirements.