Matrix PRASAR UCS System Manual 1295
VoIP
VoIP Protocols SIP v2, SIP over TCP, Symmetric RTP, RTCP, 100rel/PRACK
Network Protocol
IPv4, TCP, UDP, SNTP, STUN, ARP, ICMP, PPPoE, DHCP, DNS,
SMTP
SIP
Maximum 99 SIP Accounts per system, Outbound Proxy Support,
Display Name, User Name, Password, URL, Proxy URL, Register
URL, Register Interval
NAT/Firewall
Support
STUN and NAT Keep Alive
Voice Codecs G.711 (A-Law, µ-Law), G.723, G.729AB, GSM-FR, iLBC
Line Echo
Cancellation
G.168 with 64 /128ms Tail Length
Voice
Dynamic Jitter Buffer (Adaptive), Comfort Noise Generation and Voice
Activity Detection
Call Progress Tones Dial Tone, Ring Back Tone, Busy Tone, Error Tone
Fax T.38 Relay and Pass Through
Quality of Service SIP QoS and RTP QoS
Security
MD5 Authentication for SIP, Password Protected Configuration by
Admin and User
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