SIP intercoms

Grandstream GSC3506V2 One Way SIP Intercom Speaker The GSC3506 v2 is a multicast paging speaker that provides a powerful paging and public address solution to expand security and communication throughout offices, schools, hospitals, apartments, and more...

Grandstream - GSC3570 The GSC3570 is a powerful intercom and facility control station designed to provide businesses with a dedicated device to manage facility communications door access physical security and more. This device can be wall-mounted or...

GR-GSC3516The GSC3516 is a SIP/Multicast Talk-Back Speaker that allows offices schools hospitals apartments and more to build powerful voice intercom solutions that expand security and communication. This robust SIP intercom device offers 2-way voice...