Samsung Hanwha SPA-C100 IP Ceiling Speaker

User access log) Digest authentication, User access log Supported Protocols IPv4, HTTP, SIP, mDNS, 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 PBX suppliers such as Cisco and Asterisk. Supported SIP features: DTMF (RFC2833) Supported codecs: PCMU, PCMA, speex/8000, speex/16000 TTS Domestic Version : Korean Export Version : 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