Welltech VoIP ATA series V.303 - Manual (Page 72)

ATA Web user guide
Welltech Technology Co., Ltd.
72 / 114 2015/1/8
Item Description
show [RTP Event].
SIP Info: When you enter key information, the [Ethereal] will
show [Request: Info].
Provide options: InBand, RFC2833, SIP Info.
RFC2833 + Inband: When you enter key information, LP399
sends Inband message and [RTP Event] message.
SIP Info + Inband: When you enter key information, LP399
sends Inband message and [Request: Info] message.
RPort Default: Disable; Set up RPort function. When this function is on,
the [Rport] message will add in [Message Header].
Provide options: Disable, Enable.
*This function must be supported by Server.
Voice QoS
(Diff-Serv) Default: 40; This column can only enter numbers; maximum
length is 2 bytes with the range of 0~63.
SIP QoS
(Diff-Serv) Default: 40; This column can only enter numbers; maximum
length is 2 bytes with the range of 0~63.
Use DNS SRV Default: Disable.
When this function is on, the package will show [DNS, Standard
query SRV_sip_upd.xxx.xxx.xxx].
Provide options: Disable, Enable.
*This function must be supported by Server.
Keep-alive
Message Default: Disable; When this function is on and system is in NAT,
LP399 will send a package to Server periodically according to
[Send Keep Alives Packet].
Provide options: Disable, Send UDP, Send SIP Option.
Send UDP: Use UDP format to send; For example: UDP, Source
Port: sip Destination Port: xxxx.
Send SIP Optoin: Use SIP Option format to send; For example:
SIP, Request-Line: OPTIONS sip:xxx.xxx.xxx.xxx;user=phone
SIP/2.0.
Keep-alive
Interval Default: 60; This column can only enter numbers; maximum
length is 3 bytes with the range of 15~250.
Jitter Buffer Default: 1~64; Set up Jitter Buffer.
In VoIP system, the time of every voice package arrives
destination will affect by Network Delay. Therefore, Jitter Buffer
is used in destination to modify the order of packages and adjust
the time of Voice Playout Delay, this function will raise the voice
quality.
This column can only enter numbers; maximum length is 3 bytes
with the range 0~32.
SIP Server Type Default: General.
Set up the type of SIP Server.
In accordance with market available different SIP Servers or
IP-PBX server, WellGate M1 will adjust its configuration to be
compatible with these SIP Server.