IP PBX Solutions – UCM RemoteConnect (UCMRC) Product Description UCM RemoteConnect (UCMRC)Cloud based NAT firewall traversal powered by AWS Integrated with GDMS Offers secure connections with remote users and SIP endpoints using Grandstream’s PBX platforms and solutions See also different: Intercoms & PA – GSC3505 DECT Cordless IP Phones – DP725 GXV IP Video Phones – GXV3380 GXP Series IP Phones – GXP2140