Product specifications
Dialogic® BorderNet™ 4000 SBC Product Description Document
40
capable of interworking across media subtype notations as well as payload types. Some of
the supported codecs are listed below.
Audio
•
PCMU
• PCMA
• G722
• G729 (+/- VAD)
• G723 (+/- VAD)
• G723-5.3
• G723-6.3
• G728
• G726-32
•
GSM
• GSM-EFR
• AMR (NB/WB+)
• Comfort Noise
• t38
• iLBC (13.3, 15.2)
• clearmode
• tone
• telephone-event
(+ IANA registered)
Video • H.263
• H.264
• H.261
• MPV
• CelB
• JPEG
(+ IANA registered)
Image
• t38
(+ IANA registered)
DTMF Relay
The BorderNet 4000 SBC supports DTMF relay via telephone-event or SIP INFO. It also
supports H.245 User Input.
Codec Mapping
The following table provides the BorderNet 4000 SBC codec mappings used to convert
media specifications between H.245 (used in H.323) and SDP (used in SIP).
H.245 Type
SDP Media Type
g711Ulaw64k PCMU
g711Ulaw56k PCMU
g711Alaw64k PCMA
g711Alaw56k PCMA
g726 G726-32
g723 G723