Samsung Hanwha SPA-C100B IP Ceiling Speaker

DNS, NTP, TCP, UDP, DHCP, ARP, ICMP API (Application Programming Interface) SUNAPI Multi-source Dynamic PA control Multi-source up to 48 (Multicast) (Audio 24CH + Mic 24CH) Up to 256 Zone Control (Multicast) Up to 20 Zone Control (Unicast) Up to 255 Groups VoIP Tested with SIP clients such as Grandstream, Yealink, Cisco, MicroSIP softphone and PBX supplier such as Asterisk Tested with SIP client such as Grandstream and PBX supplier such as Grandstream Supported SIP features: DTMF (RFC2833) Supported codecs: PCMU, PCMA, speex/8000, speex/16000 TTS English(US, UK), German, French, Spanish, Russian Audio Monitoring Speaker test by graphic level meter (Built in test tool) Event & Preset Virtual Contact, Dry contact Functional Monitoring Connection verification, Built-in system logging