2N StarGate/BlueTower v5.2 - Manual (Page 72)

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2N TELEKOMUNIKACE a.s., www.2n.cz
®
SIP Registration
Registration expires [s] – set the expiration time for the 2N StarGate /
®
gateway registration data with SIP proxy. BlueTower
Reattempt registration [s] – set the time interval after which the request shall
be resent.
Registration domain (realm).
Caller ID.
Username – registration data with SIP proxy.
Password – registration data with SIP proxy.
Voice Parameters
First RTP port (even: 1024 – 65524) – set the number of the first RTP port.
The RTP port number must be even according to the recommendation.
Last RTP port (even: first RTP+10 – 65534) – set the number of the last RTP
port. The RTP port number must be even according to the recommendation. The
recommended minimum RTP port range is 10
Codec Settings
Additional settings for the voice codec used. For the default settings see the table
below.
Codec Number of
blocks VAD (Voice Activity
Detection)
G.711 4 Deactivated
G.729 2 Deactivated
G.723 2 Deactivated
G. 723 bitrate is 6.3
kbps
Caution
Using low rate codecs may deteriorate voice quality!
You have to have a wide–band TCP/IP connection for using a
high rate codec!
You can use an Internet VoIP bandwidth calculator to calculate
the actually required bandwidth (e.g.
). www.bandcalc.com
Codec Priority
Set the types of the speech codecs to be preferred.
Priority 1
Priority 2
Priority 3
Priority 4