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VoIP subscriber gateways
13
2.5
Key specifications
Table 2 lists key specification of the device:
Table 2 – Key specifications
VoIP Protocols
Supported protocols
SIP
Fax support
T.38 UDP Real-Time Fax
pass-thru (G.711A/U)
Modem support
V.152
Voice standards
VAD (silence suppression)
AEC (echo cancellation, guideline G.165)
CNG (comfortable noise generation)
Audio codecs
Codecs
G.729, annex A, annex B
G.711а, G.711u
G.723
Fax transmission: G.711а, G.711u, Т.38
Modem transmission: G.711а, G.711u
WAN-interface parameters for Ethernet
Number of ports
1
Electrical connector
RJ-45
Data rate, Mbps
autodetection, 10/100 Mbps, duplex/half-duplex
Standard
10Base-T/100Base-TX
Analogue subscriber ports parameters
Number of ports
8
Line loop resistance
Up to 1.5 kOhm
Typesetting reception
pulse/frequency (DTMF)
Caller ID getting
FSK V23,FSK Bell202, DTMF
Wireless
1
interface parameters
Standards
802.11 b/g/n
Frequency range, MHz
2400 ~ 2483,5
Modulation
BPSK, QPSK, 16 QAM, 64 QAM, DBPSK, DQPSK, CCK
Data bit rate, Mbps
802.11b(CCK):
1, 2, 5.5 ,11
802.11g(OFDM):
6, 9, 12 , 18, 24, 36, 48, 54
811n (HT20, 800ns GI):
130, 117, 104, 78, 52, 39, 26, 13
802.11n (HT40, 400ns GI):
300, 270, 240, 180, 120, 90, 60, 30
802.11n (HT40, 800ns GI):
270, 243, 216, 162, 108, 81, 54, 27
Maximum transmitter output power
802.11b: 16dBm
802.11g: 11dBm
802.11n(20MHz MCS0/8):
19 dBm
802.11n(20MHz MCS7/15):
12 dBm
802.11n(40MHz MCS0/8):
19 dBm
802.11n(40MHz MCS7/15):
11 dBm
Receiver sensitivity
802.11b:
-83 dBm
802.11g:
-70 dBm
802.11n(20MHz MCS7):
-67 dBm
802.11n(20MHz MCS15):
-66 dBm
802.11n(40MHz MCS7):
-65 dBm
Security
64/128/152 bits WEP-data encryption;
WEP, TKIP and AES
1
Only for TAU-8.IP-W