GRANDSTREAM GSC3516 SIP Multicast Talk-Back Speaker Installation Guide
Learn all about the GRANDSTREAM GSC3516 SIP Multicast Talk-Back Speaker with this detailed user manual. This robust SIP intercom device offers 2-way voice functionality, 3 directional microphones, and advanced acoustic echo cancellation. Find out how to properly configure and use this state-of-the-art security and voice intercom solution for your office, school, hospital, or apartment.