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COMpact 5200/5200R/5500R - Firmware V7.2 - Advanced Information V04 07/2018
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Settings – Abonnés (Abo)
Propriétés / Synthèse des fonctions
Paramètres VoIP
Requirements:
•
Subscriber is a VoIP end device
Tampon de gigue
Specifies the size of the jitter buffer in milliseconds (duration of the audio
signals). In this time period RTP packets are cached (lower values = lower
number, greater values = greater number). Delays in the transmission and
loss of packets can be compensated that way.
Compensation de l’écho
The system compensates for local echoes and reverberation effects
during internal VoIP calls.
Chiffrement RTP
With the upgrade to this firmware or newly configured subscribers, this
setting is set on
Adopt from Administration ->SIPS/SRTP internal
(default)
by default.
Here, exceptions for individual phones can be defined, as for these the
system-wide setting under
Administration > SIPS/SRTP internal (VoIP)
could individually lead to problems if the PBX and the phone