Welltech LP-389 v.1.06 Administrator Guide User Manual
Page 19
SIP Lines > SIP Advance
Parameter Description:
z
SIP Hold Type: SIP on hold message sending method.
- Send Only: Set the SDP media to sendonly when send a on-hold SIP
message.
- 0.0.0.0: Set the SDP connection to 0.0.0.0 when send a on-hold SIP
message.
- Inactive: Set the SDP media to inactive when send a on-hold SIP
message.
z
SIP Compact Form: Enable SIP compact form or not. When enable this
feature, the connected SIP proxy is required to support compact form.
z
DTMF Relay: DTMF relay type
- inband DTMF : use inband DTMF instead of out of band.
- RFC 2833/Fall Back to SIPINFO: RFC 2833/Fall Back to SIPINFO
- RFC 2833/Fall Back to Inband: RFC 2833/Fall Back to inband
- SIP INFO: Use SIP INFO for DTMF transmission
z
RFC 2833 Payload Type: 96 or 101. It is recommended to use 101.
z
Barge-In: Allow to enable the barge-in feature or not. When barge-in is
enabled, it allow the user from Barge-in List to interrupt the on-going
call and talk to the called user.
z
Barge-In List: The user allow to barge-in.
z
Broadcasting: Allow accepting broadcasting call or not. The
broadcasting SIP call need contains the call-info with “answer after”
header. The broadcasting service will be derived to speaker.
z
P2P TEL No: The user ID should be used for Peer to Peer calls.
z
SIP Call Mode:
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Auto Priority: When this mode is selected, the line button will not
able to be selected. Instead of selecting the separate line, LP389
will always try to use line 1 first. If line 1 is failed to reach the
destination and the SIP failure reason code doesn’t in the list of