Grandstream HandyTone 502

HandyTone 502 (HT-502) from Grandstream is an analog 2xFXS, 2xETH VoIP Gateway (SIP ATA adapter) with the integrated router.

Grandstream HandyTone series adapters (ATA / IAD / VoIP Gateway) offer a wide range of devices with excellent voice quality and other features, which allow user to choose the best device model suiting their needs.

Fully focused on open standards, these VoIP-gateways guarantee work with multiple systems, Softswitches and servers from various producers, supporting the SIP protocol. The HandyTone solutions have been tested and successfully used by many operators of IP-telephony (VoIP) around the world.

VoIP-Gateways from Grandstream Networks are successfully used by more than a dozen operators across the globe. VoIP-gateways produced by Grandstream Networks have been known in the U.S. telecommunications market as a reliable, easy to set up and use, low cost solutions for service providers and end users.

Providers in database: 6433

Automatic Call-back

In telecommunications the automatic call-back is a computer telephone function which allows the user by the engaged addressee’s line or in the other case of the subscriber’s inaccessibility indicating the system to save the number of the called subscriber and make the call when the line will be available or when the called number is not engaged.

View more WIKI