DBL Technology HTM series User Manual page 34

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(5500-5520).
B) RTP Packet Length
The default time length of each wet packet is 20ms. Use to designate the size of
media-packet, the unit is sampling time ms.
C) Jitter delay processing mode
Use to designate Jitter delay buffer algorithm model. Adaptive mode is the best, other
modes are used for test, please do not use in the practical action.
D) Media Encryption
a) None: Not encrypted.
b) RC4: This is a variable key length stream encryption algorithm clusters, its S-box is
random, generally 256 bytes.
c) ET263: For ET263 users.
E) Media QOS
QOS
is network quality of service and ability of higher priority service that network
supports, including dedicated broadband、control and delay jitter、packet loss rate
improvement and so on. This option can label for QOS which is designated by call
signaling packets, in order to improve the network quality of service.
F) Speech coding and sequencing
【√】indicate that coding is available, UP and DOWN on the currently selected voice
compression coding to adjust priorities.
FXS+FXO Gateway Series
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