C o m m u n i c a t i o n s , I n c .
Room 0611, Bldg.B Tsinghua Tongfang Technology Plaza, 1 Wangzhuang Road, Beijing, CHINA
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Send DTMF
Select the scheme used to send DTMF signals, including
inband
audio
,
rfc 2833
and
sip info
.
DTMF payload type
Fill in the RTP payload type value of DTMF event. The range of
this value is 96-127. Default is 101.
G726-32 payload
type
Fill in the RTP payload type value of G726-32 codec. The range
of this value is 96-127. Default is 111.
iLBC payload type
Fill in the RTP payload type value of iLBC codec. The range of
this value is 96-127. Default is 98.
Speex payload type
Fill in the RTP payload type value of Speex codec. The range of
this value is 96-127. Default is 110.
Message service
number
Fill in the voice message service number.
Support PRACK
Enable/disable PRACK (100rel, RFC3262) support.
Subscribe for MWI
Enable/disable MWI
（
Message waiting Indication
）
support.
Proxy Require
Fill in the Proxy-Require header filed specified by SIP proxy
server. Usually leave this field blank.
NAT Traversal
Select the scheme used to traverse NAT device. Available
options include
disabled
,
use STUN server
and
use NAT IP
.
NAT IP
With
NAT Traversal
set to
use NAT IP
, fill in WAN port IP
address of NAT device here.
