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...

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...