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VoIP
Protocol: SIP (RFC3261) over UDP, SIPs, SRTP
DTMF:
a) In-band Analogy to the traditional DTMF signal, where tones are
combined with speech into a single voice channel.
b) SIP INFO (RFC 2976) DTMF signal is sent separately in the SIP message
body
Mechanical properties
Dimensions: 195 x 119 x 61 mm
Weight: 600 g
Operating relative humidity: up to 90 %, non-condensing
IP cover: IP43
Operating temperature: −40 °C to +85 °C
LED statuses: power, telephone network, FXS line, data, signal level
Certifications:
EN 62368-1, EN 81-28, EN 301489-1, EN 301489-7, EN 301511, EN 301908-1,
EN 301908-2, EN 301908-13, EN 62311, EN 63000, EN 12016
FCC Part 15b, UL 62368-1, PTCRB
ICES-003 Issue 6, CSA C22.2 No.62368-1
AS/CA S003.1, S003.3, S042.1, S042.4, AS/NZS 62368.1 App ZZ
2N TELEKOMUNIKACE a.s., www.2n.cz
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