Matrix Telecom SARVAM UMG System Manual page 728

Physical Connector RJ45 (Impedance Selectable)
E1 CAS
Bit Rate
Line Coding
Framing
Line Signaling
Register Signaling
Alarms
Protection
Physical Connector
T1 RBS
Bit Rate 1544 kbps +/- 50 ppm
Line Coding AMI and B8ZS
FXS Loop Start, FXO Loop Start, FXS Ground Start, FXO Ground Start,
Line Signaling
E&M (Immediate, Wink Start, Wink Start FGD)
Framing D4, ESF
Digit Dialing DTMF
Alarms ANSI T1.231
Performance ANSI T1.403, ANSI T1.231, AT&T TR54016
Protection Solid state (Over Voltage and Over Current)
Built-in Secondary Protection
Physical
RJ45 (Impedance Selectable)
Connector
VoIP
Connector
VoIP Protocols
Network Protocols
SIP
NAT
Voice Codecs
Line Echo Cancellation
Matrix SARVAM UMG System Manual
2048 kbps +/-50 ppm
HDB3
CEPT1 (with/without CRC) with CAS MF
ITU-T Q.400 - Q. 490
MFC-R2
I.431. G.732, ETSI 300-233
Solid State (Over Voltage and Over Current)
Built-in Secondary Protection
RJ45 (Impedance Selectable), Fiber Optic
RJ45
SIP v2, SDP, RTP (RFC 2833), SRTP
IPv4, TCP, UDP, DHCP, PPPoE, SNTP, NAT, STUN, HTTP, TLS, DynDNS
Maximum 250 SIP Accounts per system, Outbound Proxy Support, Display Name, User
Name, Password, URL, Proxy URL, Register URL, Register Interval
STUN and NAT Keep Alive
G.729, G.723, GSM FR, iLBC (30ms), iLBC (20ms), GSM EFR, G.711 (u-Law), G.711 (A-
Law)
G.168 with 128ms Tail Length
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