From large corporations to small and medium-sized businesses, Grandstream communication systems enable IP PBX and unified communications. These PBX Systems, which are highly dependable and intelligent, unify communications between various enterprise locations while supporting IP phones, analog devices, and a range of trunk interfaces. Grandstream IP PBX controls analog lines, any Sip-compatible IP phone, Grandstream IP phones, PSTN, E1, and ITSP trunks.

Simplicity is the secret to running a business effectively. Grandstream PBX Systems is here to simplify your business phone system so you can operate more quickly, intelligently, and efficiently. With a fully featured business phone system, conferencing, and other features, #1 Telecom provides the best office phone system experience.