Welltech WG5290 - Manual (Page 71)

Welltech Computer Co., Ltd.
WellGate 5290 User Guide – V6.1 - 71 -
SIP Configuration
Start Path: Configuration>SIP
Figure 7.8-1
Basic Parameter Description:
• Codec Selection Policy: Selection order to match the remote SDP for
codec selection.
o
Local SDP Order: Use local SDP order to match codec
o
Remote SDP Order: Use Remote SDP order to match codec
• Local Codec 1~4: Codec selection priority (1 to 4) (1: highest, 4: lowest)
• G.723 Bit Rate Used: G.723.1 high bits rate (6.3k) or low bit rate (5.3k)
is used
• 180 SDP: Set SDP for 180 ring message
• 183 SDP: Set SDP for 183 call progress indication.
• DTMF Relay Method: DTMF transport type selection
o
Transparent: transmit DTMF over audio channel
o
SIP INFO: Use SIP INFO Message to relay DTMF
o
RFC2833: Use RFC2833 for DTMF over RTP packet
- RFC2800 Payload Type: RTP payload type used for RFC2833
DTMF relay
• Fax Transmission: Fax transparent type selection