HOMEVoIP (Voice over IP)Intercoms & PagingSIP Intercom Speaker, 30 Watt, No Mic Grandstream 11-22327 SIP Intercom Speaker, 30 Watt, No Mic SKU #11-22327 Oh oh! That product is no longer available... Check out these alternatives Grandstream GDS3705 IP Intercom, Building Access System, Door Phone Details Grandstream GDS3710 IP Video Intercom, Building Access System, Door Phone and... Details Grandstream GDS37X0-CARD RFID Card for use with the GDS series and the USB RFID Ca... Details Grandstream GDS37X0-FOB RFID Key Fob for use with the GDS series and the USB RFID... Details VIEW ALL Intercoms & Paging