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17 VoIP tests
182
ARGUS 165
Phone
settings
(continued)
DTMF
settings
Dual-tone multi-frequency (DTMF) is a multifrequency
dialling method.
Mode: Sets DTMF mode
You can choose between "Automatic", "SIP info", "RFC
2833" and "Inband".
Default:
Automatic
Duration: Sets the VoIP DTMF timer
Range: 40 to 1000 ms.
Up to 200 ms in steps of 10, up to 300 ms in steps of
20, up to 1000 ms in steps of 100.
Default:
80 ms
Increases or decreases the VoIP DTMF duration.
STUN server
Use
STUN
Use STUN: select yes or no
If a NAT router is located between ARGUS and the
nearest remote station (gateway), STUN must be used
so that ARGUS can determine under which IP address
the remote station sees ARGUS. Default:
no
STUN server
STUN server: address of a STUN server, which must be
in the same network (on the same level) as the remote
station.
Rated/tre-
shold value
MOS rates value Entry of MOS setting:
The mean opinion score (MOS) assesses the quality of
voice data. The MOS quality scale ranges from 5
(excellent) to 1 (bad). On the basis of the set MOS
value, ARGUS rates the current VoIP voice link as "OK"
(current MOS value achieves MOS setting) or "FAIL".
Range: 1.0 to 5.0
Default:
4.0
The MOS value here is stated as MOS
CQE
(conversational quality estimated). The use of a specific
codec has a significant influence on this.
Jitter treshold
Determines the treshold for the jitter.
Range: 0 to 200 ms
Default:
* (off)
value
5
4
3
2
1
Voice quality excellent
good
fair
poor
bad
Содержание 165
Страница 26: ...4 Quick start guide 26 ARGUS 165 ...
Страница 37: ...5 Configuring accesses ARGUS 165 37 Test parameter settings are described starting on page 124 ...
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Страница 235: ...19 Parallel tests ARGUS 165 235 ...
Страница 284: ...23 Copper tests 284 ARGUS 165 ...